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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Sep 25 20:03:27 CEST 2020
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 26 Sep, 2020 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 824471 Prefixes after maximum aggregation (per Origin AS): 314015 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 397093 Total ASes present in the Internet Routing Table: 69524 Prefixes per ASN: 11.86 Origin-only ASes present in the Internet Routing Table: 59756 Origin ASes announcing only one prefix: 24792 Transit ASes present in the Internet Routing Table: 9768 Transit-only ASes present in the Internet Routing Table: 303 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 47 Max AS path prepend of ASN ( 37385) 44 Prefixes from unregistered ASNs in the Routing Table: 820 Number of instances of unregistered ASNs: 821 Number of 32-bit ASNs allocated by the RIRs: 33590 Number of 32-bit ASNs visible in the Routing Table: 27777 Prefixes from 32-bit ASNs in the Routing Table: 128970 Number of bogon 32-bit ASNs visible in the Routing Table: 14 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 450 Number of addresses announced to Internet: 2860807040 Equivalent to 170 /8s, 132 /16s and 115 /24s Percentage of available address space announced: 77.3 Percentage of allocated address space announced: 77.3 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 276203 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 217224 Total APNIC prefixes after maximum aggregation: 63643 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 211056 Unique aggregates announced from the APNIC address blocks: 86763 APNIC Region origin ASes present in the Internet Routing Table: 10879 APNIC Prefixes per ASN: 19.40 APNIC Region origin ASes announcing only one prefix: 3045 APNIC Region transit ASes present in the Internet Routing Table: 1595 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 30 Number of APNIC region 32-bit ASNs visible in the Routing Table: 5991 Number of APNIC addresses announced to Internet: 779088640 Equivalent to 46 /8s, 111 /16s and 243 /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, 131072-141625 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: 241033 Total ARIN prefixes after maximum aggregation: 110964 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 238753 Unique aggregates announced from the ARIN address blocks: 116753 ARIN Region origin ASes present in the Internet Routing Table: 18609 ARIN Prefixes per ASN: 12.83 ARIN Region origin ASes announcing only one prefix: 6800 ARIN Region transit ASes present in the Internet Routing Table: 1900 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 3435 Number of ARIN addresses announced to Internet: 1087964672 Equivalent to 64 /8s, 217 /16s and 6 /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, 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: 230675 Total RIPE prefixes after maximum aggregation: 108328 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 226747 Unique aggregates announced from the RIPE address blocks: 135835 RIPE Region origin ASes present in the Internet Routing Table: 27411 RIPE Prefixes per ASN: 8.27 RIPE Region origin ASes announcing only one prefix: 11825 RIPE Region transit ASes present in the Internet Routing Table: 3864 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 9524 Number of RIPE addresses announced to Internet: 709228416 Equivalent to 42 /8s, 69 /16s and 247 /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 196608-213403 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: 110916 Total LACNIC prefixes after maximum aggregation: 25652 LACNIC Deaggregation factor: 4.32 Prefixes being announced from the LACNIC address blocks: 112083 Unique aggregates announced from the LACNIC address blocks: 47710 LACNIC Region origin ASes present in the Internet Routing Table: 10517 LACNIC Prefixes per ASN: 10.66 LACNIC Region origin ASes announcing only one prefix: 2624 LACNIC Region transit ASes present in the Internet Routing Table: 1963 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 28 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8102 Number of LACNIC addresses announced to Internet: 174387968 Equivalent to 10 /8s, 100 /16s and 243 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-272796 + 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: 23802 Total AfriNIC prefixes after maximum aggregation: 4768 AfriNIC Deaggregation factor: 4.99 Prefixes being announced from the AfriNIC address blocks: 35382 Unique aggregates announced from the AfriNIC address blocks: 9658 AfriNIC Region origin ASes present in the Internet Routing Table: 1429 AfriNIC Prefixes per ASN: 24.76 AfriNIC Region origin ASes announcing only one prefix: 498 AfriNIC Region transit ASes present in the Internet Routing Table: 289 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 47 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 725 Number of AfriNIC addresses announced to Internet: 109714176 Equivalent to 6 /8s, 138 /16s and 27 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 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 7545 5660 766 674 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4751 4192 73 ERX-CERNET-BKB China Education and Rese 7552 3585 1330 21 VIETEL-AS-AP Viettel Group, VN 45899 3239 1896 51 VNPT-AS-VN VNPT Corp, VN 7713 2713 829 625 TELKOMNET-AS-AP PT Telekomunikasi Indon 9808 2542 9043 60 CMNET-GD Guangdong Mobile Communication 4766 2349 11103 554 KIXS-AS-KR Korea Telecom, KR 9498 2300 450 231 BBIL-AP BHARTI Airtel Ltd., IN 4755 2145 441 193 TATACOMM-AS TATA Communications formerl 45090 1995 845 56 CNNIC-TENCENT-NET-AP Shenzhen Tencent C 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 11492 4584 307 665 CABLEONE, US 16509 4320 8334 1997 AMAZON-02, US 7155 4034 264 32 VIASAT-SP-BACKBONE, US 22773 3647 2985 180 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3349 1323 82 SHAW, CA 16625 3136 1645 2250 AKAMAI-AS, US 209 2482 5060 522 CENTURYLINK-US-LEGACY-QWEST, US 30036 2468 367 104 MEDIACOM-ENTERPRISE-BUSINESS, US 26484 2412 151 324 IKGUL-26484, US 5650 2312 2981 1625 FRONTIER-FRTR, US 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 6157 1652 136 UNI2-AS, ES 39891 3652 203 21 ALJAWWALSTC-AS, SA 8551 3438 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3191 2216 1024 AKAMAI-ASN1, EU 12389 2753 2275 864 ROSTELECOM-AS, RU 34984 2197 355 573 TELLCOM-AS, TR 9009 2182 232 1181 M247, GB 13188 1609 100 35 TRIOLAN, UA 61317 1338 157 603 ASDETUK http://www.heficed.com, GB 58224 1252 836 523 TCI, IR 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 8060 3323 606 Uninet S.A. de C.V., MX 10620 3390 531 509 Telmex Colombia S.A., CO 11830 2565 369 63 Instituto Costarricense de Electricidad 6503 1626 323 414 Axtel, S.A.B. de C.V., MX 7303 1480 951 271 Telecom Argentina S.A., AR 13999 1436 456 383 Mega Cable, S.A. de C.V., MX 28573 1371 2251 219 CLARO S.A., BR 3816 1150 576 157 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1141 379 39 Telefonica del Peru S.A.A., PE 11172 959 111 70 Alestra, S. de R.L. 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 1431 393 22 LINKdotNET-AS, EG 36992 1169 1534 99 ETISALAT-MISR, EG 24835 1106 464 28 RAYA-AS, EG 36903 918 480 94 MT-MPLS, MA 29571 696 68 12 ORANGE-COTE-IVOIRE, CI 6713 553 1863 34 IAM-AS, MA 15399 495 46 15 WANANCHI-, KE 37342 481 32 1 MOVITEL, MZ 36935 450 519 37 Vodafone-, EG 23889 345 232 16 MauritiusTelecom, MU 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 8060 3323 606 Uninet S.A. de C.V., MX 12479 6157 1652 136 UNI2-AS, ES 7545 5660 766 674 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4751 4192 73 ERX-CERNET-BKB China Education and Rese 11492 4584 307 665 CABLEONE, US 16509 4320 8334 1997 AMAZON-02, US 7155 4034 264 32 VIASAT-SP-BACKBONE, US 39891 3652 203 21 ALJAWWALSTC-AS, SA 22773 3647 2985 180 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3585 1330 21 VIETEL-AS-AP Viettel Group, VN Complete listing at http://thyme.rand.apnic.net/current/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 12479 6157 6021 UNI2-AS, ES 7545 5660 4986 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4751 4678 ERX-CERNET-BKB China Education and Research Net 7155 4034 4002 VIASAT-SP-BACKBONE, US 11492 4584 3919 CABLEONE, US 39891 3652 3631 ALJAWWALSTC-AS, SA 7552 3585 3564 VIETEL-AS-AP Viettel Group, VN 22773 3647 3467 ASN-CXA-ALL-CCI-22773-RDC, US 8551 3438 3393 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3349 3267 SHAW, CA Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 22357 UNALLOCATED 8.7.108.0/24 3356 LEVEL3, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 174 COGENT-174, US 32985 UNALLOCATED 8.28.31.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174, US 23061 UNALLOCATED 8.39.119.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 46766 UNALLOCATED 8.44.208.0/24 3356 LEVEL3, US 40544 UNALLOCATED 12.0.33.0/24 6461 ZAYO-6461, US 46505 UNALLOCATED 12.7.131.0/24 7018 ATT-INTERNET4, US Complete listing at http://thyme.rand.apnic.net/current/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US Complete listing at http://thyme.rand.apnic.net/current/data-dsua Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.142.80.0/24 Origin: 10753 LVLT-10753, US Transit: 3356 LEVEL3, US 23.157.0.0/24 Origin: 395101 UNASSIGNED Transit: 33657 CMCS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 27.126.156.0/22 Origin: 55827 UNASSIGNED Transit: 9930 TTNET-MY TIME dotCom Berhad No. 14, Jala 27.126.156.0/23 Origin: 55827 UNASSIGNED Transit: 9930 TTNET-MY TIME dotCom Berhad No. 14, Jala 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 /8:9 /9:12 /10:39 /11:100 /12:286 /13:577 /14:1175 /15:1934 /16:13480 /17:8296 /18:14002 /19:25594 /20:41188 /21:49430 /22:102534 /23:85880 /24:478657 /25:1278 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5127 6157 UNI2-AS, ES 11492 3673 4584 CABLEONE, US 6327 3146 3349 SHAW, CA 7155 3122 4034 VIASAT-SP-BACKBONE, US 8551 2897 3438 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2818 3647 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2801 3652 ALJAWWALSTC-AS, SA 8151 2799 8060 Uninet S.A. de C.V., MX 30036 2211 2468 MEDIACOM-ENTERPRISE-BUSINESS, US 5650 1995 2312 FRONTIER-FRTR, US Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1638 2:1163 3:33 4:19 5:3591 6:54 8:1471 9:1 11:1 12:1768 13:354 14:2349 15:72 16:8 17:295 18:88 20:110 23:4016 24:2341 25:3 27:2326 31:2168 32:122 34:1 35:42 36:990 37:3489 38:1898 39:465 40:143 41:3708 42:638 43:2160 44:217 45:14929 46:3536 47:319 49:1527 50:1643 51:90 52:1114 54:230 55:680 56:6 57:53 58:1627 59:1170 60:791 61:2310 62:2166 63:2010 64:5259 65:2368 66:5067 67:2889 68:1166 69:4078 70:1397 71:678 72:2966 74:2568 75:1456 76:670 77:1974 78:1656 79:2630 80:2065 81:1604 82:1324 83:1261 84:1239 85:2680 86:561 87:1794 88:934 89:2822 90:386 91:7157 92:1567 93:2502 94:2807 95:3396 96:1252 97:340 98:920 99:984 100:87 101:1024 102:1086 103:24473 104:3555 105:382 106:895 107:2109 108:709 109:3770 110:1965 111:2345 112:1638 113:1453 114:1530 115:1836 116:1823 117:2104 118:2172 119:1743 120:911 121:1053 122:2555 123:2031 124:1633 125:2131 128:1379 129:1247 130:719 131:1940 132:763 133:306 134:1379 135:331 136:622 137:875 138:2283 139:1051 140:721 141:1086 142:967 143:1225 144:1162 145:367 146:1397 147:1254 148:2139 149:1200 150:761 151:1331 152:1560 153:435 154:4512 155:1231 156:3013 157:1114 158:879 159:1988 160:1962 161:1074 162:3169 163:871 164:1502 165:1319 166:592 167:1661 168:3518 169:616 170:4363 171:776 172:1989 173:2748 174:975 175:1049 176:2802 177:4298 178:2699 179:1810 180:2277 181:2549 182:3114 183:1444 184:2436 185:16966 186:3894 187:3013 188:3324 189:2682 190:9013 191:1434 192:10462 193:7700 194:6287 195:4545 196:3125 197:2048 198:6094 199:5932 200:7279 201:5226 202:10570 203:10205 204:4642 205:3108 206:3190 207:3264 208:4015 209:4466 210:4195 211:2078 212:3518 213:3270 214:1177 215:60 216:6122 217:2473 218:853 219:614 220:2045 221:916 222:978 223:1651 End of report
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