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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Feb 1 19:03:17 CET 2019
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 02 Feb, 2019 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 735331 Prefixes after maximum aggregation (per Origin AS): 283580 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 354621 Total ASes present in the Internet Routing Table: 63092 Prefixes per ASN: 11.65 Origin-only ASes present in the Internet Routing Table: 54357 Origin ASes announcing only one prefix: 23579 Transit ASes present in the Internet Routing Table: 8735 Transit-only ASes present in the Internet Routing Table: 268 Average AS path length visible in the Internet Routing Table: 4.2 Max AS path length visible: 31 Max AS path prepend of ASN ( 16327) 25 Prefixes from unregistered ASNs in the Routing Table: 21 Number of instances of unregistered ASNs: 23 Number of 32-bit ASNs allocated by the RIRs: 25627 Number of 32-bit ASNs visible in the Routing Table: 20862 Prefixes from 32-bit ASNs in the Routing Table: 90590 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 271 Number of addresses announced to Internet: 2842533251 Equivalent to 169 /8s, 109 /16s and 157 /24s Percentage of available address space announced: 76.8 Percentage of allocated address space announced: 76.8 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.2 Total number of prefixes smaller than registry allocations: 246362 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 200035 Total APNIC prefixes after maximum aggregation: 57413 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 197150 Unique aggregates announced from the APNIC address blocks: 81608 APNIC Region origin ASes present in the Internet Routing Table: 9414 APNIC Prefixes per ASN: 20.94 APNIC Region origin ASes announcing only one prefix: 2663 APNIC Region transit ASes present in the Internet Routing Table: 1397 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 4417 Number of APNIC addresses announced to Internet: 769642274 Equivalent to 45 /8s, 223 /16s and 207 /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: 217799 Total ARIN prefixes after maximum aggregation: 103376 ARIN Deaggregation factor: 2.11 Prefixes being announced from the ARIN address blocks: 217128 Unique aggregates announced from the ARIN address blocks: 104009 ARIN Region origin ASes present in the Internet Routing Table: 18341 ARIN Prefixes per ASN: 11.84 ARIN Region origin ASes announcing only one prefix: 6829 ARIN Region transit ASes present in the Internet Routing Table: 1851 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 23 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2562 Number of ARIN addresses announced to Internet: 1079669920 Equivalent to 64 /8s, 90 /16s and 116 /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: 202096 Total RIPE prefixes after maximum aggregation: 96285 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 198251 Unique aggregates announced from the RIPE address blocks: 117420 RIPE Region origin ASes present in the Internet Routing Table: 25787 RIPE Prefixes per ASN: 7.69 RIPE Region origin ASes announcing only one prefix: 11488 RIPE Region transit ASes present in the Internet Routing Table: 3631 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 7793 Number of RIPE addresses announced to Internet: 716711872 Equivalent to 42 /8s, 184 /16s and 39 /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: 95098 Total LACNIC prefixes after maximum aggregation: 22279 LACNIC Deaggregation factor: 4.27 Prefixes being announced from the LACNIC address blocks: 96501 Unique aggregates announced from the LACNIC address blocks: 42173 LACNIC Region origin ASes present in the Internet Routing Table: 8027 LACNIC Prefixes per ASN: 12.02 LACNIC Region origin ASes announcing only one prefix: 2174 LACNIC Region transit ASes present in the Internet Routing Table: 1505 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 31 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 5577 Number of LACNIC addresses announced to Internet: 173075968 Equivalent to 10 /8s, 80 /16s and 238 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-270748 + 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: 20281 Total AfriNIC prefixes after maximum aggregation: 4209 AfriNIC Deaggregation factor: 4.82 Prefixes being announced from the AfriNIC address blocks: 26030 Unique aggregates announced from the AfriNIC address blocks: 9167 AfriNIC Region origin ASes present in the Internet Routing Table: 1239 AfriNIC Prefixes per ASN: 21.01 AfriNIC Region origin ASes announcing only one prefix: 425 AfriNIC Region transit ASes present in the Internet Routing Table: 246 Average AfriNIC Region AS path length visible: 4.4 Max AfriNIC Region AS path length visible: 21 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 513 Number of AfriNIC addresses announced to Internet: 103031296 Equivalent to 6 /8s, 36 /16s and 34 /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 4653 4192 74 ERX-CERNET-BKB China Education and Rese 7545 4579 531 527 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3056 1241 49 VIETEL-AS-AP Viettel Group, VN 45899 3006 1725 112 VNPT-AS-VN VNPT Corp, VN 4766 2811 11127 767 KIXS-AS-KR Korea Telecom, KR 9829 2752 1496 551 BSNL-NIB National Internet Backbone, IN 9808 2437 8699 26 CMNET-GD Guangdong Mobile Communication 9394 2395 4906 29 CTTNET China TieTong Telecommunications 4755 2142 438 183 TATACOMM-AS TATA Communications formerl 17974 2034 968 50 TELKOMNET-AS2-AP PT Telekomunikasi Indo 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 3578 1326 92 SHAW - Shaw Communications Inc., CA 11492 3495 226 595 CABLEONE - CABLE ONE, INC., US 22773 3310 2979 174 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi 16509 2598 5391 1021 AMAZON-02 - Amazon.com, Inc., US 16625 2275 1250 1715 AKAMAI-AS - Akamai Technologies, Inc., 20115 2152 2759 536 CHARTER-20115 - Charter Communications, 18566 2136 405 108 MEGAPATH5-US - MegaPath Corporation, US 5650 2089 3074 1462 FRONTIER-FRTR - Frontier Communications 30036 2078 345 292 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom 209 2068 5076 577 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 5329 1628 138 UNI2-AS, ES 39891 3778 203 20 ALJAWWALSTC-AS, SA 8551 3273 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 2631 560 1915 AKAMAI-ASN1, US 12389 2205 2209 657 ROSTELECOM-AS, RU 34984 2066 339 527 TELLCOM-AS, TR 9121 1682 1691 17 TTNET, TR 13188 1605 100 46 TRIOLAN, UA 9009 1327 145 741 M247, GB 8402 1316 545 15 CORBINA-AS OJSC "Vimpelcom", RU 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 5546 3325 589 Uninet S.A. de C.V., MX 10620 2959 448 993 Telmex Colombia S.A., CO 11830 2683 371 60 Instituto Costarricense de Electricidad 6503 1565 449 55 Axtel, S.A.B. de C.V., MX 7303 1409 934 221 Telecom Argentina S.A., AR 6147 1286 377 29 Telefonica del Peru S.A.A., PE 28573 1173 2240 183 CLARO S.A., BR 3816 1029 511 115 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11172 931 143 66 Alestra, S. de R.L. de C.V., MX 13999 911 528 243 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 1152 393 21 LINKdotNET-AS, EG 37611 907 107 9 Afrihost, ZA 36903 797 401 142 MT-MPLS, MA 36992 789 1411 44 ETISALAT-MISR, EG 24835 685 636 22 RAYA-AS, EG 8452 640 1731 20 TE-AS TE-AS, EG 29571 485 70 13 ORANGE-COTE-IVOIRE, CI 37492 468 470 57 ORANGE-, TN 15399 425 45 11 WANANCHI-, KE 37342 419 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 5546 3325 589 Uninet S.A. de C.V., MX 12479 5329 1628 138 UNI2-AS, ES 4538 4653 4192 74 ERX-CERNET-BKB China Education and Rese 7545 4579 531 527 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 3778 203 20 ALJAWWALSTC-AS, SA 6327 3578 1326 92 SHAW - Shaw Communications Inc., CA 11492 3495 226 595 CABLEONE - CABLE ONE, INC., US 22773 3310 2979 174 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi 8551 3273 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7552 3056 1241 49 VIETEL-AS-AP Viettel Group, VN 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 5329 5191 UNI2-AS, ES 4538 4653 4579 ERX-CERNET-BKB China Education and Research Net 7545 4579 4052 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 3778 3758 ALJAWWALSTC-AS, SA 6327 3578 3486 SHAW - Shaw Communications Inc., CA 8551 3273 3230 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 3310 3136 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 3056 3007 VIETEL-AS-AP Viettel Group, VN 11492 3495 2900 CABLEONE - CABLE ONE, INC., US 45899 3006 2894 VNPT-AS-VN VNPT Corp, VN 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 64339 UNALLOCATED 143.0.108.0/22 18747 IFX18747 - IFX Corporation, US 64355 UNALLOCATED 156.40.196.0/24 30387 NIH-NET-NCCS - National Instit 64011 UNALLOCATED 166.133.128.0/18 20057 ATT-MOBILITY-LLC-AS20057 - AT& 64011 UNALLOCATED 166.133.192.0/18 20057 ATT-MOBILITY-LLC-AS20057 - AT& 64011 UNALLOCATED 166.184.9.0/24 20057 ATT-MOBILITY-LLC-AS20057 - AT& 64011 UNALLOCATED 166.220.64.0/19 20057 ATT-MOBILITY-LLC-AS20057 - AT& 64011 UNALLOCATED 166.220.96.0/19 20057 ATT-MOBILITY-LLC-AS20057 - AT& 64141 UNALLOCATED 181.119.152.0/24 264619 Wireless Provider, AR 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 23.171.96.0/24 394378 NMICA-01 - NMICA, LLC, US 27.100.7.0/24 56096 UNKNOWN 27.126.156.0/22 55827 UNKNOWN 27.126.156.0/23 55827 UNKNOWN 27.126.158.0/23 55827 UNKNOWN 41.76.136.0/22 37500 -Reserved AS-, ZZ 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 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 /8:12 /9:10 /10:36 /11:99 /12:292 /13:568 /14:1129 /15:1918 /16:13373 /17:7882 /18:13853 /19:25609 /20:39703 /21:46133 /22:91481 /23:74783 /24:415615 /25:924 /26:820 /27:864 /28:20 /29:6 /30:7 /31:0 /32:194 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 4179 5329 UNI2-AS, ES 6327 3340 3578 SHAW - Shaw Communications Inc., CA 39891 2946 3778 ALJAWWALSTC-AS, SA 11492 2757 3495 CABLEONE - CABLE ONE, INC., US 8551 2729 3273 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2550 3310 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 18566 2031 2136 MEGAPATH5-US - MegaPath Corporation, US 11830 2029 2683 Instituto Costarricense de Electricidad y Telec 30036 1826 2078 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi 5650 1761 2089 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) ---------------------------------------------- 1:1612 2:896 4:23 5:2786 6:47 7:1 8:1176 12:1867 13:315 14:1867 15:37 16:2 17:219 18:57 20:50 23:2604 24:2481 25:2 27:2544 31:2043 32:94 35:35 36:831 37:3016 38:1616 39:294 40:122 41:3127 42:726 43:2003 44:141 45:6567 46:3223 47:248 49:1344 50:1080 51:319 52:1078 54:347 55:1 56:6 57:41 58:1705 59:1054 60:481 61:2056 62:2075 63:1794 64:5076 65:2195 66:4826 67:2693 68:1172 69:3485 70:1150 71:603 72:2288 74:2758 75:418 76:544 77:1730 78:1762 79:2314 80:1641 81:1423 82:1103 83:897 84:1084 85:2140 86:560 87:1554 88:990 89:2414 90:215 91:6569 92:1239 93:2434 94:2482 95:3232 96:919 97:349 98:944 99:169 100:87 101:1160 102:373 103:19926 104:3562 105:249 106:867 107:1812 108:693 109:3672 110:1611 111:1865 112:1389 113:1409 114:1148 115:1722 116:1671 117:1919 118:2190 119:1621 120:1046 121:1030 122:2366 123:1644 124:1454 125:1950 128:1206 129:675 130:523 131:1646 132:713 133:218 134:1046 135:238 136:550 137:681 138:1959 139:835 140:570 141:803 142:801 143:1008 144:891 145:505 146:1248 147:802 148:1713 149:794 150:782 151:1005 152:1005 153:324 154:2446 155:966 156:1650 157:892 158:657 159:1919 160:1512 161:910 162:2671 163:780 164:1135 165:1573 166:438 167:1384 168:3263 169:869 170:4013 171:526 172:1090 173:2157 174:999 175:883 176:2301 177:3997 178:2559 179:1292 180:2090 181:2440 182:2680 183:1049 184:1149 185:14683 186:3707 187:2452 188:2894 189:2008 190:8343 191:1454 192:10068 193:6538 194:5335 195:4044 196:2973 197:1736 198:5789 199:5973 200:7273 201:5104 202:10104 203:10152 204:4619 205:3005 206:3318 207:3274 208:3959 209:4228 210:3939 211:1986 212:3063 213:2837 214:1082 215:52 216:5978 217:2199 218:919 219:574 220:1845 221:995 222:994 223:1427 End of report
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