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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Nov 2 19:03:14 CET 2018
This is an automated weekly mailing describing the state of the Internet Routing Table as seen from APNIC's router in Japan. The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG and the RIPE Routing WG. Daily listings are sent to bgp-stats at lists.apnic.net For historical data, please see http://thyme.rand.apnic.net. If you have any comments please contact Philip Smith <pfsinoz at gmail.com>. Routing Table Report 04:00 +10GMT Sat 03 Nov, 2018 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 724058 Prefixes after maximum aggregation (per Origin AS): 278351 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 347474 Total ASes present in the Internet Routing Table: 62311 Prefixes per ASN: 11.62 Origin-only ASes present in the Internet Routing Table: 53784 Origin ASes announcing only one prefix: 23352 Transit ASes present in the Internet Routing Table: 8527 Transit-only ASes present in the Internet Routing Table: 259 Average AS path length visible in the Internet Routing Table: 4.0 Max AS path length visible: 36 Max AS path prepend of ASN ( 30873) 34 Prefixes from unregistered ASNs in the Routing Table: 36 Number of instances of unregistered ASNs: 36 Number of 32-bit ASNs allocated by the RIRs: 24713 Number of 32-bit ASNs visible in the Routing Table: 19978 Prefixes from 32-bit ASNs in the Routing Table: 85127 Number of bogon 32-bit ASNs visible in the Routing Table: 15 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 262 Number of addresses announced to Internet: 2857432321 Equivalent to 170 /8s, 80 /16s and 245 /24s Percentage of available address space announced: 77.2 Percentage of allocated address space announced: 77.2 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.1 Total number of prefixes smaller than registry allocations: 241521 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 197668 Total APNIC prefixes after maximum aggregation: 56146 APNIC Deaggregation factor: 3.52 Prefixes being announced from the APNIC address blocks: 195158 Unique aggregates announced from the APNIC address blocks: 80261 APNIC Region origin ASes present in the Internet Routing Table: 9203 APNIC Prefixes per ASN: 21.21 APNIC Region origin ASes announcing only one prefix: 2574 APNIC Region transit ASes present in the Internet Routing Table: 1370 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 4184 Number of APNIC addresses announced to Internet: 768168640 Equivalent to 45 /8s, 201 /16s and 82 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-139577 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8, 163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 215080 Total ARIN prefixes after maximum aggregation: 102072 ARIN Deaggregation factor: 2.11 Prefixes being announced from the ARIN address blocks: 214525 Unique aggregates announced from the ARIN address blocks: 102050 ARIN Region origin ASes present in the Internet Routing Table: 18279 ARIN Prefixes per ASN: 11.74 ARIN Region origin ASes announcing only one prefix: 6787 ARIN Region transit ASes present in the Internet Routing Table: 1828 Average ARIN Region AS path length visible: 3.6 Max ARIN Region AS path length visible: 23 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2486 Number of ARIN addresses announced to Internet: 1098799264 Equivalent to 65 /8s, 126 /16s and 88 /24s ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 62464-63487, 64198-64296, 393216-399260 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 197489 Total RIPE prefixes after maximum aggregation: 94402 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 193880 Unique aggregates announced from the RIPE address blocks: 114827 RIPE Region origin ASes present in the Internet Routing Table: 25598 RIPE Prefixes per ASN: 7.57 RIPE Region origin ASes announcing only one prefix: 11465 RIPE Region transit ASes present in the Internet Routing Table: 3529 Average RIPE Region AS path length visible: 4.1 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 7541 Number of RIPE addresses announced to Internet: 715282816 Equivalent to 42 /8s, 162 /16s and 89 /24s RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 56320-58367 59392-61439, 61952-62463, 64396-64495 196608-210331 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 93937 Total LACNIC prefixes after maximum aggregation: 21540 LACNIC Deaggregation factor: 4.36 Prefixes being announced from the LACNIC address blocks: 95372 Unique aggregates announced from the LACNIC address blocks: 41659 LACNIC Region origin ASes present in the Internet Routing Table: 7735 LACNIC Prefixes per ASN: 12.33 LACNIC Region origin ASes announcing only one prefix: 2118 LACNIC Region transit ASes present in the Internet Routing Table: 1451 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 5278 Number of LACNIC addresses announced to Internet: 172528672 Equivalent to 10 /8s, 72 /16s and 148 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-268700 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 19847 Total AfriNIC prefixes after maximum aggregation: 4162 AfriNIC Deaggregation factor: 4.77 Prefixes being announced from the AfriNIC address blocks: 24861 Unique aggregates announced from the AfriNIC address blocks: 8434 AfriNIC Region origin ASes present in the Internet Routing Table: 1215 AfriNIC Prefixes per ASN: 20.46 AfriNIC Region origin ASes announcing only one prefix: 408 AfriNIC Region transit ASes present in the Internet Routing Table: 244 Average AfriNIC Region AS path length visible: 4.4 Max AfriNIC Region AS path length visible: 26 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 489 Number of AfriNIC addresses announced to Internet: 102250496 Equivalent to 6 /8s, 24 /16s and 56 /24s AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 4538 4637 4192 74 ERX-CERNET-BKB China Education and Rese 7545 4546 514 511 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 2991 1154 94 VIETEL-AS-AP Viettel Group, VN 45899 2947 1685 109 VNPT-AS-VN VNPT Corp, VN 4766 2806 11130 764 KIXS-AS-KR Korea Telecom, KR 9829 2746 1496 551 BSNL-NIB National Internet Backbone, IN 9808 2446 8699 26 CMNET-GD Guangdong Mobile Communication 9394 2422 4907 30 CTTNET China TieTong Telecommunications 17974 2244 968 51 TELKOMNET-AS2-AP PT Telekomunikasi Indo 4755 2130 421 170 TATACOMM-AS TATA Communications formerl Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 6327 3467 1324 84 SHAW - Shaw Communications Inc., CA 11492 3459 223 629 CABLEONE - CABLE ONE, INC., US 22773 3271 2972 164 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi 16509 2413 5012 869 AMAZON-02 - Amazon.com, Inc., US 18566 2154 405 109 MEGAPATH5-US - MegaPath Corporation, US 20115 2145 2738 541 CHARTER-NET-HKY-NC - Charter Communicat 16625 2117 1140 1571 AKAMAI-AS - Akamai Technologies, Inc., 5650 2084 3074 1461 FRONTIER-FRTR - Frontier Communications 30036 2056 346 148 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom 209 2040 5079 594 CENTURYLINK-US-LEGACY-QWEST - CenturyLi Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 5006 1615 134 UNI2-AS, ES 39891 3778 203 20 ALJAWWALSTC-AS, SA 8551 3043 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 2561 574 1913 AKAMAI-ASN1, US 12389 2178 2172 640 ROSTELECOM-AS, RU 34984 2012 334 534 TELLCOM-AS, TR 9121 1878 1691 17 TTNET, TR 13188 1600 100 42 TRIOLAN, UA 8402 1279 544 14 CORBINA-AS OJSC "Vimpelcom", RU 6849 1241 355 21 UKRTELNET, UA Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 5439 3307 600 Uninet S.A. de C.V., MX 10620 3196 489 810 Telmex Colombia S.A., CO 11830 2663 370 75 Instituto Costarricense de Electricidad 6503 1660 449 54 Axtel, S.A.B. de C.V., MX 7303 1441 964 208 Telecom Argentina S.A., AR 28573 1128 2237 181 CLARO S.A., BR 6147 1089 377 29 Telefonica del Peru S.A.A., PE 3816 1025 512 114 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11172 937 145 72 Alestra, S. de R.L. de C.V., MX 13999 923 538 259 Mega Cable, S.A. de C.V., MX Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1155 394 29 LINKdotNET-AS, EG 37611 909 107 9 Afrihost, ZA 36903 794 399 146 MT-MPLS, MA 36992 752 1411 41 ETISALAT-MISR, EG 24835 650 694 19 RAYA-AS, EG 8452 637 1728 15 TE-AS TE-AS, EG 37492 467 470 57 ORANGE-, TN 29571 463 70 12 ORANGE-COTE-IVOIRE, CI 23889 400 231 15 MauritiusTelecom, MU 37342 394 32 1 MOVITEL, MZ Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 5439 3307 600 Uninet S.A. de C.V., MX 12479 5006 1615 134 UNI2-AS, ES 4538 4637 4192 74 ERX-CERNET-BKB China Education and Rese 7545 4546 514 511 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 3778 203 20 ALJAWWALSTC-AS, SA 6327 3467 1324 84 SHAW - Shaw Communications Inc., CA 11492 3459 223 629 CABLEONE - CABLE ONE, INC., US 22773 3271 2972 164 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi 10620 3196 489 810 Telmex Colombia S.A., CO 8551 3043 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggr summary ---------------------------------- ASN No of nets Net Savings Description 12479 5006 4872 UNI2-AS, ES 4538 4637 4563 ERX-CERNET-BKB China Education and Research Net 7545 4546 4035 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 3778 3758 ALJAWWALSTC-AS, SA 6327 3467 3383 SHAW - Shaw Communications Inc., CA 22773 3271 3107 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 8551 3043 3000 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 2991 2897 VIETEL-AS-AP Viettel Group, VN 45899 2947 2838 VNPT-AS-VN VNPT Corp, VN 11492 3459 2830 CABLEONE - CABLE ONE, INC., US Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Network Transit AS Description 230105 UNALLOCATED 38.110.79.0/24 23015 CMC180-TOR-AS - Cambridge Merc 266842 UNALLOCATED 45.238.156.0/22 265680 HNTELCO S.A, HN 65001 PRIVATE 46.237.40.0/21 13118 ASN-YARTELECOM PJSC Rostelecom 64121 UNALLOCATED 98.159.9.0/24 19555 KMI-NETWORK - Kinder Morgan, I 64121 UNALLOCATED 98.159.12.0/24 19555 KMI-NETWORK - Kinder Morgan, I 64140 UNALLOCATED 98.159.14.0/24 64121 UNKNOWN 65553 UNALLOCATED 103.218.190.0/24 58715 EARTHTELECOMMUNICATION-AS EART 65001 PRIVATE 109.161.56.0/24 13118 ASN-YARTELECOM PJSC Rostelecom 92937 UNALLOCATED 110.49.72.0/24 45458 SBN-AWN-AS-02-AP SBN-ISP/AWN-I 4230060012 PRIVATE 132.190.106.0/24 64673 -Private Use AS-, ZZ Complete listing at http://thyme.rand.apnic.net/current/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 198.18.1.19/32 7497 CSTNET-AS-AP Computer Network Information Cente Complete listing at http://thyme.rand.apnic.net/current/data-dsua Advertised Unallocated Addresses -------------------------------- Network Origin AS Description 27.100.7.0/24 56096 UNKNOWN 41.76.140.0/22 37500 -Reserved AS-, ZZ 41.78.92.0/22 14988 BTC-GATE1, BW 41.78.180.0/23 37265 -Reserved AS-, ZZ 43.255.80.0/24 36351 SOFTLAYER - SoftLayer Technologies Inc., US 43.255.82.0/24 36351 SOFTLAYER - SoftLayer Technologies Inc., US 43.255.83.0/24 36351 SOFTLAYER - SoftLayer Technologies Inc., US 45.121.32.0/22 134356 UNKNOWN 45.124.164.0/22 38803 GTELECOM-AUSTRALIA Gtelecom-AUSTRALIA, AU 45.252.236.0/22 38803 GTELECOM-AUSTRALIA Gtelecom-AUSTRALIA, AU Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:14 /9:11 /10:36 /11:98 /12:289 /13:567 /14:1099 /15:1890 /16:13332 /17:7865 /18:13832 /19:25440 /20:39630 /21:46101 /22:89932 /23:73951 /24:407748 /25:817 /26:629 /27:640 /28:36 /29:20 /30:24 /31:4 /32:53 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 3829 5006 UNI2-AS, ES 6327 3252 3467 SHAW - Shaw Communications Inc., CA 39891 2946 3778 ALJAWWALSTC-AS, SA 11492 2745 3459 CABLEONE - CABLE ONE, INC., US 22773 2527 3271 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 8551 2499 3043 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 18566 2048 2154 MEGAPATH5-US - MegaPath Corporation, US 11830 2010 2663 Instituto Costarricense de Electricidad y Telec 30036 1805 2056 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi 5650 1761 2084 FRONTIER-FRTR - Frontier Communications of Amer Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1620 2:886 4:18 5:2694 6:43 7:1 8:1133 12:1875 13:240 14:1863 15:32 16:3 17:192 18:58 20:50 23:2484 24:2441 25:2 27:2498 31:2003 32:85 35:30 36:566 37:2933 38:1563 39:265 40:122 41:3203 42:714 43:1978 44:125 45:5943 46:3093 47:230 49:1308 50:1069 51:318 52:1098 54:363 55:1 56:12 57:38 58:1656 59:992 60:453 61:2086 62:1953 63:1789 64:5050 65:2196 66:4816 67:2664 68:1158 69:3357 70:1178 71:600 72:2230 74:2726 75:414 76:479 77:1669 78:1735 79:2223 80:1567 81:1409 82:1052 83:795 84:1041 85:2075 86:552 87:1469 88:948 89:2381 90:209 91:6477 92:1269 93:2390 94:2425 95:3019 96:914 97:350 98:936 99:152 100:71 101:1163 102:272 103:19057 104:3588 105:231 106:881 107:1845 108:710 109:3386 110:1667 111:1822 112:1396 113:1312 114:1142 115:1685 116:1651 117:1900 118:2201 119:1673 120:1105 121:1045 122:2333 123:1680 124:1447 125:1945 128:1202 129:690 130:507 131:1616 132:708 133:189 134:1038 135:237 136:528 137:659 138:1956 139:721 140:558 141:755 142:809 143:1003 144:844 145:498 146:1247 147:763 148:1682 149:779 150:764 151:998 152:873 153:325 154:2010 155:952 156:1569 157:843 158:656 159:1862 160:1478 161:868 162:2639 163:757 164:1107 165:1580 166:455 167:1349 168:3145 169:861 170:3991 171:492 172:1057 173:2095 174:986 175:829 176:2133 177:4016 178:2510 179:1298 180:2123 181:2432 182:2591 183:1471 184:1130 185:14292 186:3595 187:2455 188:2925 189:2014 190:8328 191:1396 192:9905 193:6376 194:5190 195:4028 196:2897 197:1618 198:5674 199:5968 200:7361 201:5022 202:10220 203:10159 204:4608 205:3024 206:3233 207:3215 208:3944 209:4156 210:3846 211:2015 212:3006 213:2831 214:1048 215:55 216:6032 217:2177 218:874 219:576 220:1825 221:1006 222:972 223:1393 End of report
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