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[routing-wg] Weekly Routing Table Report
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Routing Analysis Role Account
cscora at apnic.net
Fri Dec 18 19:03:28 CET 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 19 Dec, 2020 Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 834384 Prefixes after maximum aggregation (per Origin AS): 319639 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 399442 Total ASes present in the Internet Routing Table: 70165 Prefixes per ASN: 11.89 Origin-only ASes present in the Internet Routing Table: 60316 Origin ASes announcing only one prefix: 24963 Transit ASes present in the Internet Routing Table: 9849 Transit-only ASes present in the Internet Routing Table: 296 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 203 Max AS path prepend of ASN (396896) 200 Prefixes from unregistered ASNs in the Routing Table: 1041 Number of instances of unregistered ASNs: 1042 Number of 32-bit ASNs allocated by the RIRs: 34457 Number of 32-bit ASNs visible in the Routing Table: 28615 Prefixes from 32-bit ASNs in the Routing Table: 131766 Number of bogon 32-bit ASNs visible in the Routing Table: 19 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 487 Number of addresses announced to Internet: 2864080896 Equivalent to 170 /8s, 182 /16s and 104 /24s Percentage of available address space announced: 77.4 Percentage of allocated address space announced: 77.4 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: 283940 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 218271 Total APNIC prefixes after maximum aggregation: 64342 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 214363 Unique aggregates announced from the APNIC address blocks: 87510 APNIC Region origin ASes present in the Internet Routing Table: 11125 APNIC Prefixes per ASN: 19.27 APNIC Region origin ASes announcing only one prefix: 3163 APNIC Region transit ASes present in the Internet Routing Table: 1606 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 31 Number of APNIC region 32-bit ASNs visible in the Routing Table: 6259 Number of APNIC addresses announced to Internet: 778351744 Equivalent to 46 /8s, 100 /16s and 180 /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, 131072-143673 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: 240878 Total ARIN prefixes after maximum aggregation: 111543 ARIN Deaggregation factor: 2.16 Prefixes being announced from the ARIN address blocks: 241238 Unique aggregates announced from the ARIN address blocks: 115495 ARIN Region origin ASes present in the Internet Routing Table: 18688 ARIN Prefixes per ASN: 12.91 ARIN Region origin ASes announcing only one prefix: 6810 ARIN Region transit ASes present in the Internet Routing Table: 1917 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 203 Number of ARIN region 32-bit ASNs visible in the Routing Table: 3614 Number of ARIN addresses announced to Internet: 1093010176 Equivalent to 65 /8s, 38 /16s and 3 /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, 393216-401308 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: 237298 Total RIPE prefixes after maximum aggregation: 111936 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 233244 Unique aggregates announced from the RIPE address blocks: 137821 RIPE Region origin ASes present in the Internet Routing Table: 27601 RIPE Prefixes per ASN: 8.45 RIPE Region origin ASes announcing only one prefix: 11876 RIPE Region transit ASes present in the Internet Routing Table: 3889 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 30 Number of RIPE region 32-bit ASNs visible in the Routing Table: 9766 Number of RIPE addresses announced to Internet: 709745280 Equivalent to 42 /8s, 77 /16s and 218 /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: 112152 Total LACNIC prefixes after maximum aggregation: 26270 LACNIC Deaggregation factor: 4.27 Prefixes being announced from the LACNIC address blocks: 113258 Unique aggregates announced from the LACNIC address blocks: 47934 LACNIC Region origin ASes present in the Internet Routing Table: 10629 LACNIC Prefixes per ASN: 10.66 LACNIC Region origin ASes announcing only one prefix: 2629 LACNIC Region transit ASes present in the Internet Routing Table: 1991 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 33 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8226 Number of LACNIC addresses announced to Internet: 174119424 Equivalent to 10 /8s, 96 /16s and 218 /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: 24742 Total AfriNIC prefixes after maximum aggregation: 4794 AfriNIC Deaggregation factor: 5.16 Prefixes being announced from the AfriNIC address blocks: 31794 Unique aggregates announced from the AfriNIC address blocks: 10293 AfriNIC Region origin ASes present in the Internet Routing Table: 1424 AfriNIC Prefixes per ASN: 22.33 AfriNIC Region origin ASes announcing only one prefix: 484 AfriNIC Region transit ASes present in the Internet Routing Table: 284 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 29 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 750 Number of AfriNIC addresses announced to Internet: 108424448 Equivalent to 6 /8s, 118 /16s and 109 /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 5682 777 661 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4749 4192 73 ERX-CERNET-BKB China Education and Rese 7552 3548 1330 21 VIETEL-AS-AP Viettel Group, VN 7713 3232 952 519 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 2855 1896 55 VNPT-AS-VN VNPT Corp, VN 9808 2585 9044 57 CMNET-GD Guangdong Mobile Communication 4766 2352 11103 560 KIXS-AS-KR Korea Telecom, KR 9498 2296 466 233 BBIL-AP BHARTI Airtel Ltd., IN 4755 2133 441 189 TATACOMM-AS TATA Communications formerl 45090 2067 1045 64 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 4755 315 701 CABLEONE, US 16509 4528 9069 2096 AMAZON-02, US 7155 4020 264 32 VIASAT-SP-BACKBONE, US 22773 3769 3008 211 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3357 1319 83 SHAW, CA 16625 3155 1654 2271 AKAMAI-AS, US 209 2523 5059 507 CENTURYLINK-US-LEGACY-QWEST, US 30036 2491 368 113 MEDIACOM-ENTERPRISE-BUSINESS, US 5650 2336 2984 1643 FRONTIER-FRTR, US 20115 2163 2898 509 CHARTER-20115, 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 6214 1667 141 UNI2-AS, ES 47331 6104 845 3572 TTNET, TR 39891 3459 195 22 ALJAWWALSTC-AS, SA 20940 3327 3347 200 AKAMAI-ASN1, NL 8551 3225 379 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2883 2282 892 ROSTELECOM-AS, RU 9009 2236 231 1220 M247, GB 34984 2168 352 577 TELLCOM-AS, TR 13188 1610 100 31 TRIOLAN, UA 58224 1463 856 550 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 8215 3444 601 Uninet S.A. de C.V., MX 10620 3394 526 590 Telmex Colombia S.A., CO 11830 2564 369 63 Instituto Costarricense de Electricidad 13999 1588 431 406 Mega Cable, S.A. de C.V., MX 6503 1438 311 475 Axtel, S.A.B. de C.V., MX 7303 1435 909 262 Telecom Argentina S.A., AR 28573 1376 2260 222 CLARO S.A., BR 6147 1146 379 39 Telefonica del Peru S.A.A., PE 3816 1115 537 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1007 213 419 Techtel LMDS Comunicaciones Interactiva 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 1566 393 22 LINKdotNET-AS, EG 24835 1287 478 26 RAYA-AS, EG 36992 1218 1530 137 ETISALAT-MISR, EG 36903 951 497 97 MT-MPLS, MA 29571 709 68 12 ORANGE-COTE-IVOIRE, CI 6713 533 1863 34 IAM-AS, MA 37342 478 32 1 MOVITEL, MZ 36935 464 522 40 Vodafone-, EG 23889 451 232 16 MauritiusTelecom, MU 15399 439 46 16 WANANCHI-, KE 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 8215 3444 601 Uninet S.A. de C.V., MX 12479 6214 1667 141 UNI2-AS, ES 47331 6104 845 3572 TTNET, TR 7545 5682 777 661 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4755 315 701 CABLEONE, US 4538 4749 4192 73 ERX-CERNET-BKB China Education and Rese 16509 4528 9069 2096 AMAZON-02, US 7155 4020 264 32 VIASAT-SP-BACKBONE, US 22773 3769 3008 211 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3548 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 6214 6073 UNI2-AS, ES 7545 5682 5021 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4749 4676 ERX-CERNET-BKB China Education and Research Net 11492 4755 4054 CABLEONE, US 7155 4020 3988 VIASAT-SP-BACKBONE, US 22773 3769 3558 ASN-CXA-ALL-CCI-22773-RDC, US 7552 3548 3527 VIETEL-AS-AP Viettel Group, VN 39891 3459 3437 ALJAWWALSTC-AS, SA 6327 3357 3274 SHAW, CA 8551 3225 3182 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 174 COGENT-174, US 18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, 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 393489 UNALLOCATED 12.7.109.0/24 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 23.141.0.0/24 Origin: 395350 UNASSIGNED Transit: 11426 TWC-11426-CAROLINAS, US 23.142.80.0/24 Origin: 3803 RCN-AS1, US Transit: 398481 REDMERCURY, 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 /8:8 /9:13 /10:40 /11:101 /12:292 /13:579 /14:1175 /15:1931 /16:13469 /17:8273 /18:13705 /19:25617 /20:41559 /21:50418 /22:103435 /23:87982 /24:484539 /25:1248 /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 47331 5362 6104 TTNET, TR 12479 5185 6214 UNI2-AS, ES 11492 3805 4755 CABLEONE, US 6327 3152 3357 SHAW, CA 7155 3109 4020 VIASAT-SP-BACKBONE, US 8151 2917 8215 Uninet S.A. de C.V., MX 22773 2879 3769 ASN-CXA-ALL-CCI-22773-RDC, US 39891 2801 3459 ALJAWWALSTC-AS, SA 8551 2687 3225 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2224 2491 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1881 2:1139 3:35 4:18 5:3410 6:53 8:1487 9:1 11:1 12:1755 13:349 14:2402 15:75 16:13 17:303 18:93 20:113 23:4145 24:2364 25:3 27:2339 31:2187 32:112 34:1 35:35 36:1137 37:3546 38:1999 39:458 40:150 41:3851 42:872 43:2114 44:234 45:14610 46:3625 47:321 49:1602 50:1678 51:90 52:1127 54:217 55:768 56:6 57:57 58:1689 59:1149 60:817 61:2312 62:2198 63:2011 64:5220 65:2375 66:5120 67:2947 68:1172 69:4100 70:1399 71:685 72:3102 74:2548 75:1457 76:688 77:1982 78:3096 79:2485 80:1924 81:1632 82:1313 83:1095 84:1261 85:3055 86:612 87:1792 88:2339 89:2891 90:400 91:7166 92:1597 93:2553 94:2919 95:4109 96:1226 97:342 98:966 99:976 100:90 101:1055 102:1215 103:25085 104:3620 105:390 106:775 107:2189 108:690 109:3752 110:2007 111:2351 112:1661 113:1554 114:1425 115:1855 116:1858 117:2111 118:2288 119:1866 120:958 121:1049 122:2301 123:2132 124:1639 125:2140 128:1342 129:1258 130:766 131:2003 132:743 133:311 134:1392 135:326 136:688 137:894 138:2307 139:1167 140:737 141:1165 142:1042 143:1242 144:1210 145:341 146:1383 147:1215 148:2175 149:1248 150:752 151:1201 152:1609 153:445 154:2116 155:1267 156:1353 157:1140 158:907 159:2039 160:2049 161:1079 162:3210 163:927 164:1421 165:1315 166:599 167:1735 168:3608 169:632 170:4354 171:744 172:2025 173:2911 174:973 175:1059 176:2926 177:4428 178:2788 179:1891 180:2278 181:2571 182:3161 183:1526 184:2406 185:17607 186:4030 187:3075 188:3391 189:2751 190:9060 191:1401 192:10596 193:7859 194:6401 195:4583 196:3079 197:2269 198:6023 199:5947 200:7325 201:5277 202:10554 203:10175 204:4651 205:3102 206:3308 207:3320 208:3991 209:4611 210:4199 211:2098 212:3613 213:3183 214:1186 215:61 216:6132 217:2476 218:899 219:641 220:2085 221:935 222:987 223:1706 End of report
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