IPv4 R&E Routing Table Report 21:10 GMT Mon 14 Aug, 2023 IPv4 BGP Table (Global) as seen at AARNET (Brisbane). Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/AARNET/ Analysis Summary ---------------- BGP routing table entries examined: 927864 Prefixes after maximum aggregation (per Origin AS): 351252 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 452737 Number of IPv4 prefixes with a valid ROA: 418362 Number of IPv4 prefixes with an invalid ROA: 2199 Number of IPv4 prefixes with no ROA: 507303 Total ASes present in the Internet Routing Table: 74680 Prefixes per ASN: 12.42 Origin-only ASes present in the Internet Routing Table: 64181 Origin ASes announcing only one prefix: 26278 Transit ASes present in the Internet Routing Table: 10499 Transit-only ASes present in the Internet Routing Table: 452 Paths with bogon ASNs present in the IPv4 Routing Table: 57 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 132 Max AS path prepend of ASN ( 37447) 129 Prefixes from unregistered ASNs in the Routing Table: 1049 Number of instances of unregistered ASNs: 1065 Number of 32-bit ASNs allocated by the RIRs: 42430 Number of 32-bit ASNs visible in the Routing Table: 34936 Prefixes from 32-bit ASNs in the Routing Table: 174015 Number of bogon 32-bit ASNs visible in the Routing Table: 78 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 544 Number of addresses announced to Internet: 3051510528 Equivalent to 181 /8s, 226 /16s and 91 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 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: 309955 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244926 Total APNIC prefixes after maximum aggregation: 69745 APNIC Deaggregation factor: 3.51 Prefixes being announced from the APNIC address blocks: 238666 Unique aggregates announced from the APNIC address blocks: 98865 APNIC Region origin ASes present in the Internet Routing Table: 13557 APNIC Prefixes per ASN: 17.60 APNIC Region origin ASes announcing only one prefix: 3994 APNIC Region transit ASes present in the Internet Routing Table: 1801 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8894 Number of APNIC addresses announced to Internet: 773134592 Equivalent to 46 /8s, 21 /16s and 25 /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, 131072-153913 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: 272011 Total ARIN prefixes after maximum aggregation: 123664 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 273981 Unique aggregates announced from the ARIN address blocks: 130872 ARIN Region origin ASes present in the Internet Routing Table: 19082 ARIN Prefixes per ASN: 14.36 ARIN Region origin ASes announcing only one prefix: 6953 ARIN Region transit ASes present in the Internet Routing Table: 1932 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4814 Number of ARIN addresses announced to Internet: 1275845120 Equivalent to 76 /8s, 11 /16s and 218 /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: 261517 Total RIPE prefixes after maximum aggregation: 122563 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 258496 Unique aggregates announced from the RIPE address blocks: 159999 RIPE Region origin ASes present in the Internet Routing Table: 28398 RIPE Prefixes per ASN: 9.10 RIPE Region origin ASes announcing only one prefix: 12047 RIPE Region transit ASes present in the Internet Routing Table: 3905 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11289 Number of RIPE addresses announced to Internet: 716517120 Equivalent to 42 /8s, 181 /16s and 47 /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 196608-216475 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: 118434 Total LACNIC prefixes after maximum aggregation: 28627 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 117534 Unique aggregates announced from the LACNIC address blocks: 49810 LACNIC Region origin ASes present in the Internet Routing Table: 11013 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2670 LACNIC Region transit ASes present in the Internet Routing Table: 2330 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 32 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8823 Number of LACNIC addresses announced to Internet: 178505728 Equivalent to 10 /8s, 163 /16s and 200 /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: 29927 Total AfriNIC prefixes after maximum aggregation: 5928 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 38642 Unique aggregates announced from the AfriNIC address blocks: 12739 AfriNIC Region origin ASes present in the Internet Routing Table: 1772 AfriNIC Prefixes per ASN: 21.81 AfriNIC Region origin ASes announcing only one prefix: 614 AfriNIC Region transit ASes present in the Internet Routing Table: 338 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 132 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1116 Number of AfriNIC addresses announced to Internet: 107113984 Equivalent to 6 /8s, 98 /16s and 110 /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 9518 8705 38 CHINAMOBILE-CN China Mobile Communicati 7545 5704 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4329 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3593 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3370 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3333 1835 91 VNPT-AS-VN VNPT Corp, VN 9498 3075 498 248 BBIL-AP BHARTI Airtel Ltd., IN 4538 2947 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2481 843 410 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2307 11270 588 KIXS-AS-KR Korea Telecom, KR Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 8812 10962 3183 AMAZON-02, US 11492 4522 300 622 CABLEONE, US 7155 4194 288 101 VIASAT-SP-BACKBONE, US 22773 3562 3070 293 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3526 1319 66 SHAW, CA 749 3150 54961 2402 DNIC-AS-00749, US 16625 3081 1503 2316 AKAMAI-AS, US 367 2966 3827 1407 DNIC-ASBLK-00306-00371, US 396982 2685 3596 388 GOOGLE-CLOUD-PLATFORM, US 30036 2497 358 400 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7339 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4097 3398 154 AKAMAI-ASN1, NL 8551 3456 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2950 2294 914 ROSTELECOM-AS, RU 9009 2671 248 1392 M247, RO 34984 2317 362 603 TELLCOM-AS, TR 58224 1819 944 536 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1547 103 1201 ASDETUK www.heficed.com, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11474 3357 601 UNINET, MX 10620 3534 507 832 Telmex Colombia S.A., CO 13999 2430 362 637 Mega Cable, S.A. de C.V., MX 11830 1989 369 64 Instituto Costarricense de Electricidad 28573 1314 2324 233 Claro NXT Telecomunicacoes Ltda, BR 6503 1302 344 510 Axtel, S.A.B. de C.V., MX 3816 1296 761 187 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1123 370 22 Telefonica del Peru S.A.A., PE 11664 1114 181 435 Techtel LMDS Comunicaciones Interactiva 26615 1044 2501 49 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1588 393 19 LINKdotNET-AS, EG 24835 1517 533 27 RAYA-AS, EG 36992 1355 1518 283 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1051 67 45 ORANGE-COTE-IVOIRE, CI 36935 922 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 37342 475 32 1 MOVITEL, MZ 24757 472 73 5 EthioNet-AS, ET 15399 450 54 49 WANANCHI-, KE Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11474 3357 601 UNINET, MX 9808 9518 8705 38 CHINAMOBILE-CN China Mobile Communicati 16509 8812 10962 3183 AMAZON-02, US 12479 7339 1713 145 UNI2-AS, ES 7545 5704 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4522 300 622 CABLEONE, US 18403 4329 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4194 288 101 VIASAT-SP-BACKBONE, US 20940 4097 3398 154 AKAMAI-ASN1, NL Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9518 9480 CHINAMOBILE-CN China Mobile Communications Grou 12479 7339 7194 UNI2-AS, ES 16509 8812 5629 AMAZON-02, US 7545 5704 5017 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4329 4304 FPT-AS-AP FPT Telecom Company, VN 7155 4194 4093 VIASAT-SP-BACKBONE, US 20940 4097 3943 AKAMAI-ASN1, NL 11492 4522 3900 CABLEONE, US 7713 3593 3530 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID Complete listing at https://bgp.nsrc.org/REN/AARNET/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 46990 UNALLOCATED 8.5.242.0/23 3356 LEVEL3, US 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 19695 UNALLOCATED 8.20.161.0/24 7015 COMCAST-7015, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 100.96.100.0/24 57681 ASN-MGTS-USPD2, RU 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 RESERVED, ZZ 41.57.124.0/23 Transit: 37204 TELONE, ZW Complete listing at https://bgp.nsrc.org/REN/AARNET/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- !!Default route being announced!! /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:14 /10:39 /11:102 /12:295 /13:575 /14:1193 /15:2099 /16:13497 /17:8267 /18:13834 /19:25025 /20:43897 /21:51417 /22:109858 /23:98919 /24:558816 /25:0 /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 6425 7339 UNI2-AS, ES 8151 5515 11474 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3432 4522 CABLEONE, US 6327 3337 3526 SHAW, CA 7155 3139 4194 VIASAT-SP-BACKBONE, US 8551 2924 3456 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2608 3562 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2154 2497 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2092 3534 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2210 2:1347 3:230 4:5 5:4534 6:134 7:6 8:1530 9:1 11:172 12:1512 13:376 14:2307 15:302 16:198 17:371 18:592 20:278 21:4 22:188 23:6402 24:2634 25:6 27:2569 29:19 31:2525 32:78 34:25 35:117 36:1973 37:4618 38:5076 39:850 40:147 41:3946 42:2084 43:2302 44:314 45:16605 46:4328 47:384 49:1771 50:1858 51:585 52:1597 54:391 55:963 56:8 57:122 58:1900 59:1166 60:996 61:2470 62:2658 63:1918 64:5581 65:2315 66:4966 67:3012 68:1322 69:4086 70:1203 71:689 72:2975 74:2627 75:1577 76:620 77:2447 78:1835 79:3149 80:2114 81:1796 82:1500 83:2360 84:1541 85:2979 86:764 87:1985 88:1170 89:3846 90:617 91:7814 92:2068 93:2597 94:3530 95:4086 96:1302 97:318 98:1082 99:735 100:91 101:1317 102:2943 103:32047 104:4575 105:566 106:881 107:2561 108:1115 109:4268 110:2102 111:3134 112:2069 113:1746 114:1674 115:2035 116:1897 117:2509 118:2697 119:1982 120:1787 121:1127 122:2589 123:2165 124:1567 125:2502 128:1459 129:1046 130:1026 131:1979 132:856 133:422 134:1790 135:308 136:900 137:1121 138:2653 139:1583 140:1255 141:1290 142:1475 143:1482 144:1002 145:342 146:1964 147:1612 148:2446 149:2123 150:887 151:1189 152:1847 153:580 154:4758 155:1382 156:1930 157:1320 158:1079 159:2228 160:2605 161:1563 162:3517 163:1599 164:1715 165:1835 166:989 167:1739 168:3843 169:932 170:4604 171:885 172:3641 173:2981 174:987 175:1191 176:3790 177:4524 178:3549 179:2155 180:2509 181:3493 182:3397 183:2000 184:2315 185:20523 186:4761 187:4095 188:4250 189:3723 190:9217 191:1396 192:10951 193:8950 194:7304 195:5173 196:3127 197:2437 198:6012 199:6083 200:8016 201:5976 202:10527 203:10184 204:4545 205:3662 206:4316 207:3466 208:4163 209:4931 210:4424 211:2477 212:4246 213:3586 214:1090 215:60 216:6712 217:2778 218:1298 219:476 220:2034 221:979 222:759 223:2161 End of report