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[routing-wg] Weekly Global IPv4 Routing Table Report
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Routing Table Analysis Role Account
cscora at apnic.net
Fri Jul 8 20:02:43 CEST 2022
This is an automated weekly mailing describing the state of the Global IPv4 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 https://thyme.apnic.net. If you have any comments please contact Philip Smith <pfsinoz at gmail.com>. IPv4 Routing Table Report 04:00 +10GMT Sat 09 Jul, 2022 BGP Table (Global) as seen in Japan. Report Website: https://thyme.apnic.net Detailed Analysis: https://thyme.apnic.net/current/ Analysis Summary ---------------- BGP routing table entries examined: 901852 Prefixes after maximum aggregation (per Origin AS): 340057 Deaggregation factor: 2.65 Unique aggregates announced (without unneeded subnets): 435937 Total ASes present in the Internet Routing Table: 73344 Prefixes per ASN: 12.30 Origin-only ASes present in the Internet Routing Table: 62930 Origin ASes announcing only one prefix: 25891 Transit ASes present in the Internet Routing Table: 10414 Transit-only ASes present in the Internet Routing Table: 398 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 61 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1002 Number of instances of unregistered ASNs: 1008 Number of 32-bit ASNs allocated by the RIRs: 39756 Number of 32-bit ASNs visible in the Routing Table: 32939 Prefixes from 32-bit ASNs in the Routing Table: 156584 Number of bogon 32-bit ASNs visible in the Routing Table: 29 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 516 Number of addresses announced to Internet: 3062942464 Equivalent to 182 /8s, 144 /16s and 203 /24s Percentage of available address space announced: 82.7 Percentage of allocated address space announced: 82.7 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 306465 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 235479 Total APNIC prefixes after maximum aggregation: 66986 APNIC Deaggregation factor: 3.52 Prefixes being announced from the APNIC address blocks: 230596 Unique aggregates announced from the APNIC address blocks: 95547 APNIC Region origin ASes present in the Internet Routing Table: 12769 APNIC Prefixes per ASN: 18.06 APNIC Region origin ASes announcing only one prefix: 3689 APNIC Region transit ASes present in the Internet Routing Table: 1747 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7982 Number of APNIC addresses announced to Internet: 773025664 Equivalent to 46 /8s, 19 /16s and 111 /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, 131072-151865 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: 262615 Total ARIN prefixes after maximum aggregation: 120341 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262826 Unique aggregates announced from the ARIN address blocks: 126769 ARIN Region origin ASes present in the Internet Routing Table: 19008 ARIN Prefixes per ASN: 13.83 ARIN Region origin ASes announcing only one prefix: 6906 ARIN Region transit ASes present in the Internet Routing Table: 1950 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4546 Number of ARIN addresses announced to Internet: 1291235840 Equivalent to 76 /8s, 246 /16s and 178 /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: 259218 Total RIPE prefixes after maximum aggregation: 118815 RIPE Deaggregation factor: 2.18 Prefixes being announced from the RIPE address blocks: 256618 Unique aggregates announced from the RIPE address blocks: 152619 RIPE Region origin ASes present in the Internet Routing Table: 28162 RIPE Prefixes per ASN: 9.11 RIPE Region origin ASes announcing only one prefix: 12055 RIPE Region transit ASes present in the Internet Routing Table: 3990 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 35 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10738 Number of RIPE addresses announced to Internet: 714138240 Equivalent to 42 /8s, 144 /16s and 226 /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: 115591 Total LACNIC prefixes after maximum aggregation: 27662 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 115395 Unique aggregates announced from the LACNIC address blocks: 48761 LACNIC Region origin ASes present in the Internet Routing Table: 10964 LACNIC Prefixes per ASN: 10.52 LACNIC Region origin ASes announcing only one prefix: 2667 LACNIC Region transit ASes present in the Internet Routing Table: 2245 Average LACNIC Region AS path length visible: 4.9 Max LACNIC Region AS path length visible: 55 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8695 Number of LACNIC addresses announced to Internet: 176544256 Equivalent to 10 /8s, 133 /16s and 218 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 27947 Total AfriNIC prefixes after maximum aggregation: 5497 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 35901 Unique aggregates announced from the AfriNIC address blocks: 11808 AfriNIC Region origin ASes present in the Internet Routing Table: 1648 AfriNIC Prefixes per ASN: 21.78 AfriNIC Region origin ASes announcing only one prefix: 574 AfriNIC Region transit ASes present in the Internet Routing Table: 319 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 978 Number of AfriNIC addresses announced to Internet: 107699200 Equivalent to 6 /8s, 107 /16s and 92 /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 9808 8993 8883 49 CHINAMOBILE-CN China Mobile Communicati 7545 5921 787 694 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4714 4192 75 ERX-CERNET-BKB China Education and Rese 7552 3566 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3512 1042 59 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3426 1880 56 VNPT-AS-VN VNPT Corp, VN 4766 2494 11125 601 KIXS-AS-KR Korea Telecom, KR 9498 2425 499 236 BBIL-AP BHARTI Airtel Ltd., IN 45090 2172 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2124 425 217 TATACOMM-AS TATA Communications formerl Complete listing at https://thyme.apnic.net/current/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 6784 10396 2686 AMAZON-02, US 11492 4509 299 677 CABLEONE, US 7155 3902 265 32 VIASAT-SP-BACKBONE, US 22773 3874 3068 354 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3470 1788 2509 AKAMAI-AS, US 6327 3438 1319 63 SHAW, CA 749 2991 50739 2249 DNIC-AS-00749, US 30036 2633 375 130 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2510 3343 359 GOOGLE-CLOUD-PLATFORM, US 209 2414 4936 413 CENTURYLINK-US-LEGACY-QWEST, US Complete listing at https://thyme.apnic.net/current/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 6861 1730 144 UNI2-AS, ES 9121 6711 1692 17 TTNET, TR 8551 4009 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3998 3361 206 AKAMAI-ASN1, NL 12389 2934 2287 907 ROSTELECOM-AS, RU 6849 2718 355 21 UKRTELNET, UA 9009 2578 254 1334 M247, GB 34984 2251 358 639 TELLCOM-AS, TR 47331 2069 325 1586 TTNET, TR Complete listing at https://thyme.apnic.net/current/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10750 3397 556 Uninet S.A. de C.V., MX 10620 3473 514 774 Telmex Colombia S.A., CO 11830 2432 369 64 Instituto Costarricense de Electricidad 13999 1910 314 507 Mega Cable, S.A. de C.V., MX 28573 1360 2329 273 Claro NXT Telecomunicacoes Ltda, BR 6503 1290 338 520 Axtel, S.A.B. de C.V., MX 3816 1262 683 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1078 369 21 Telefonica del Peru S.A.A., PE 11664 998 179 459 Techtel LMDS Comunicaciones Interactiva 26615 979 2466 43 TIM SA, BR Complete listing at https://thyme.apnic.net/current/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1610 393 21 LINKdotNET-AS, EG 24835 1546 521 31 RAYA-AS, EG 36992 1317 1519 271 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 967 65 45 ORANGE-COTE-IVOIRE, CI 36935 789 520 42 Vodafone-, EG 6713 610 1863 34 IAM-AS, MA 15399 518 52 37 WANANCHI-, KE 37342 462 32 1 MOVITEL, MZ 23889 402 232 16 MauritiusTelecom, MU Complete listing at https://thyme.apnic.net/current/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10750 3397 556 Uninet S.A. de C.V., MX 9808 8993 8883 49 CHINAMOBILE-CN China Mobile Communicati 12479 6861 1730 144 UNI2-AS, ES 16509 6784 10396 2686 AMAZON-02, US 9121 6711 1692 17 TTNET, TR 7545 5921 787 694 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4714 4192 75 ERX-CERNET-BKB China Education and Rese 11492 4509 299 677 CABLEONE, US 8551 4009 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA Complete listing at https://thyme.apnic.net/current/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 8993 8944 CHINAMOBILE-CN China Mobile Communications Grou 12479 6861 6717 UNI2-AS, ES 9121 6711 6694 TTNET, TR 7545 5921 5227 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4714 4639 ERX-CERNET-BKB China Education and Research Net 16509 6784 4098 AMAZON-02, US 8551 4009 3970 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 7155 3902 3870 VIASAT-SP-BACKBONE, US 11492 4509 3832 CABLEONE, US Complete listing at https://thyme.apnic.net/current/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US 394856 UNALLOCATED 8.40.216.0/24 3356 LEVEL3, US Complete listing at https://thyme.apnic.net/current/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://thyme.apnic.net/current/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 41.57.124.0/24 Origin: 37442 UNASSIGNED 41.57.124.0/24 Transit: 37204 TELONE, ZW Complete listing at https://thyme.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 /8:16 /9:13 /10:40 /11:99 /12:301 /13:591 /14:1204 /15:2060 /16:13516 /17:8302 /18:13841 /19:25052 /20:44312 /21:52161 /22:108817 /23:96509 /24:534227 /25:791 /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 9121 5866 6711 TTNET, TR 12479 5841 6861 UNI2-AS, ES 8151 4495 10750 Uninet S.A. de C.V., MX 8551 3472 4009 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3416 4509 CABLEONE, US 6327 3248 3438 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2991 3902 VIASAT-SP-BACKBONE, US 22773 2892 3874 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2576 2718 UKRTELNET, UA Complete listing at https://thyme.apnic.net/current/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1935 2:1038 3:157 4:5 5:3813 6:109 7:6 8:1569 9:1 11:173 12:1645 13:344 14:2346 15:232 16:44 17:385 18:183 19:1 20:238 21:4 22:188 23:5742 24:2384 25:6 27:2610 29:19 31:2444 32:95 34:7 35:87 36:1802 37:4432 38:3200 39:716 40:152 41:3892 42:1120 43:2220 44:288 45:15980 46:4108 47:328 49:1696 50:1950 51:237 52:1450 54:386 55:851 56:8 57:59 58:1773 59:1164 60:963 61:2272 62:2521 63:1935 64:5543 65:2340 66:4866 67:2951 68:1187 69:4182 70:1323 71:681 72:3022 74:2616 75:1398 76:581 77:2227 78:3927 79:3133 80:1994 81:1770 82:1494 83:1212 84:1335 85:3696 86:731 87:1908 88:2778 89:3314 90:539 91:7619 92:2010 93:2549 94:3475 95:4765 96:1309 97:344 98:1007 99:752 100:76 101:1038 102:2134 103:29365 104:4520 105:468 106:874 107:2551 108:863 109:4310 110:1984 111:3317 112:2030 113:1532 114:1478 115:1996 116:1916 117:2396 118:2307 119:1826 120:1691 121:1080 122:2553 123:2088 124:1598 125:2114 128:1228 129:1063 130:986 131:2020 132:783 133:377 134:1936 135:307 136:894 137:862 138:2461 139:1525 140:894 141:1446 142:1271 143:1410 144:1204 145:353 146:1814 147:1517 148:2213 149:1679 150:862 151:1064 152:1848 153:464 154:3652 155:1436 156:1688 157:1267 158:1038 159:2222 160:2503 161:1271 162:3463 163:1289 164:1639 165:1615 166:764 167:1724 168:3803 169:886 170:4522 171:835 172:3242 173:3112 174:1020 175:1142 176:3565 177:4660 178:3544 179:2151 180:2326 181:3233 182:3259 183:1942 184:2345 185:19611 186:4375 187:3822 188:3968 189:3409 190:8966 191:1487 192:10983 193:8654 194:7071 195:5003 196:2954 197:2421 198:5979 199:6028 200:7596 201:5860 202:10483 203:10054 204:4462 205:3422 206:3708 207:3371 208:4023 209:4649 210:4355 211:2425 212:4051 213:3435 214:1143 215:67 216:6470 217:2639 218:1294 219:573 220:1992 221:964 222:831 223:1994 End of report
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