IPv4 R&E Routing Table Report 21:10 GMT Thu 14 Dec, 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: 936081 Prefixes after maximum aggregation (per Origin AS): 356612 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 455590 Number of IPv4 prefixes with a valid ROA: 434611 Number of IPv4 prefixes with an invalid ROA: 2415 Number of IPv4 prefixes with no ROA: 499055 Total ASes present in the Internet Routing Table: 75127 Prefixes per ASN: 12.46 Origin-only ASes present in the Internet Routing Table: 64569 Origin ASes announcing only one prefix: 26529 Transit ASes present in the Internet Routing Table: 10558 Transit-only ASes present in the Internet Routing Table: 463 Paths with bogon ASNs present in the IPv4 Routing Table: 47 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 37 Max AS path prepend of ASN (203217) 33 Prefixes from unregistered ASNs in the Routing Table: 1055 Number of instances of unregistered ASNs: 1057 Number of 32-bit ASNs allocated by the RIRs: 43225 Number of 32-bit ASNs visible in the Routing Table: 35525 Prefixes from 32-bit ASNs in the Routing Table: 178766 Number of bogon 32-bit ASNs visible in the Routing Table: 23 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 550 Number of addresses announced to Internet: 3047125248 Equivalent to 181 /8s, 159 /16s and 113 /24s Percentage of available address space announced: 82.3 Percentage of allocated address space announced: 82.3 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: 310603 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 248229 Total APNIC prefixes after maximum aggregation: 71599 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 241364 Unique aggregates announced from the APNIC address blocks: 99493 APNIC Region origin ASes present in the Internet Routing Table: 13817 APNIC Prefixes per ASN: 17.47 APNIC Region origin ASes announcing only one prefix: 4163 APNIC Region transit ASes present in the Internet Routing Table: 1863 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9176 Number of APNIC addresses announced to Internet: 770367488 Equivalent to 45 /8s, 234 /16s and 224 /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: 273668 Total ARIN prefixes after maximum aggregation: 124487 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 278340 Unique aggregates announced from the ARIN address blocks: 132664 ARIN Region origin ASes present in the Internet Routing Table: 19071 ARIN Prefixes per ASN: 14.59 ARIN Region origin ASes announcing only one prefix: 6952 ARIN Region transit ASes present in the Internet Routing Table: 1926 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4822 Number of ARIN addresses announced to Internet: 1275835648 Equivalent to 76 /8s, 11 /16s and 181 /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: 262674 Total RIPE prefixes after maximum aggregation: 124987 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 257214 Unique aggregates announced from the RIPE address blocks: 160745 RIPE Region origin ASes present in the Internet Routing Table: 28510 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12116 RIPE Region transit ASes present in the Internet Routing Table: 3903 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11487 Number of RIPE addresses announced to Internet: 714481152 Equivalent to 42 /8s, 150 /16s and 30 /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: 120117 Total LACNIC prefixes after maximum aggregation: 28806 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 118826 Unique aggregates announced from the LACNIC address blocks: 49375 LACNIC Region origin ASes present in the Internet Routing Table: 11043 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2660 LACNIC Region transit ASes present in the Internet Routing Table: 2350 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 37 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8886 Number of LACNIC addresses announced to Internet: 178285312 Equivalent to 10 /8s, 160 /16s and 107 /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: 30338 Total AfriNIC prefixes after maximum aggregation: 6019 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 39786 Unique aggregates announced from the AfriNIC address blocks: 12878 AfriNIC Region origin ASes present in the Internet Routing Table: 1812 AfriNIC Prefixes per ASN: 21.96 AfriNIC Region origin ASes announcing only one prefix: 638 AfriNIC Region transit ASes present in the Internet Routing Table: 346 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1154 Number of AfriNIC addresses announced to Internet: 107757568 Equivalent to 6 /8s, 108 /16s and 64 /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 9766 8731 43 CHINAMOBILE-CN China Mobile Communicati 7545 5660 783 677 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4436 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3595 1045 67 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3391 495 254 BBIL-AP BHARTI Airtel Ltd., IN 45899 3246 1867 93 VNPT-AS-VN VNPT Corp, VN 7552 3011 1330 20 VIETEL-AS-AP Viettel Group, VN 4538 2940 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2643 854 364 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2233 11258 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 9388 11176 3397 AMAZON-02, US 11492 4562 303 680 CABLEONE, US 7155 4175 288 96 VIASAT-SP-BACKBONE, US 6327 3566 1320 69 SHAW, CA 22773 3508 3071 297 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3171 1409 2319 AKAMAI-AS, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2961 3857 1414 DNIC-ASBLK-00306-00371, US 396982 2736 3637 383 GOOGLE-CLOUD-PLATFORM, US 7018 2576 23627 1594 ATT-INTERNET4, 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 7590 1714 146 UNI2-AS, ES 39891 4502 267 58 ALJAWWALSTC-AS, SA 20940 4005 3397 143 AKAMAI-ASN1, NL 9009 3492 300 1627 M247, RO 8551 3352 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2960 2301 910 ROSTELECOM-AS, RU 34984 2325 360 589 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1595 888 593 TCI, IR 8452 1539 1852 14 TE-AS TE-AS, EG 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 12135 3379 595 UNINET, MX 10620 3518 496 885 Telmex Colombia S.A., CO 13999 2489 338 635 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1345 2318 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1246 341 504 Axtel, S.A.B. de C.V., MX 11664 1088 177 427 Techtel LMDS Comunicaciones Interactiva 6147 1082 369 22 Telefonica del Peru S.A.A., PE 26615 1047 2502 52 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 1596 389 16 LINKdotNET-AS, EG 24835 1522 505 26 RAYA-AS, EG 36992 1359 1518 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1047 67 52 ORANGE-COTE-IVOIRE, CI 36935 826 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 36914 519 82 3 KENET-AS, KE 15399 503 53 41 WANANCHI-, KE 24757 483 73 5 EthioNet-AS, ET 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 12135 3379 595 UNINET, MX 9808 9766 8731 43 CHINAMOBILE-CN China Mobile Communicati 16509 9388 11176 3397 AMAZON-02, US 12479 7590 1714 146 UNI2-AS, ES 7545 5660 783 677 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4562 303 680 CABLEONE, US 39891 4502 267 58 ALJAWWALSTC-AS, SA 18403 4436 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4175 288 96 VIASAT-SP-BACKBONE, US 20940 4005 3397 143 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 9766 9723 CHINAMOBILE-CN China Mobile Communications Grou 12479 7590 7444 UNI2-AS, ES 16509 9388 5991 AMAZON-02, US 7545 5660 4983 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4502 4444 ALJAWWALSTC-AS, SA 18403 4436 4411 FPT-AS-AP FPT Telecom Company, VN 7155 4175 4079 VIASAT-SP-BACKBONE, US 11492 4562 3882 CABLEONE, US 20940 4005 3862 AKAMAI-ASN1, NL 7713 3595 3528 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 65536 DOCUMENT 5.102.30.0/24 198471 LINKEM-AS, IT 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, 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 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 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 /10:38 /11:99 /12:298 /13:582 /14:1189 /15:2088 /16:13453 /17:8251 /18:13808 /19:25009 /20:43929 /21:51560 /22:110554 /23:99749 /24:565443 /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 6676 7590 UNI2-AS, ES 8151 6152 12135 UNINET, MX 11492 3476 4562 CABLEONE, US 6327 3371 3566 SHAW, CA 39891 3320 4502 ALJAWWALSTC-AS, SA 7155 3119 4175 VIASAT-SP-BACKBONE, US 8551 2829 3352 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2561 3508 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2136 2482 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2121 3518 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) ---------------------------------------------- 1:2238 2:1414 3:280 4:5 5:4393 6:162 7:6 8:1512 9:1 11:172 12:1488 13:369 14:2315 15:305 16:207 17:362 18:701 20:342 21:4 22:188 23:6591 24:2600 25:2 27:2597 29:19 31:2541 32:53 34:35 35:119 36:2087 37:4505 38:5715 39:881 40:147 41:4111 42:2148 43:2318 44:329 45:16744 46:4392 47:298 49:1896 50:1888 51:509 52:1595 54:387 55:887 56:5 57:130 58:1932 59:1164 60:1009 61:2590 62:2744 63:1908 64:5499 65:2231 66:5011 67:3050 68:1339 69:4059 70:1182 71:617 72:2920 74:2637 75:1551 76:629 77:2339 78:1820 79:3000 80:2107 81:1871 82:1535 83:1326 84:1627 85:2985 86:787 87:1984 88:1232 89:3939 90:648 91:7890 92:2180 93:2642 94:3593 95:4022 96:1298 97:316 98:1019 99:745 100:96 101:1152 102:3024 103:32562 104:4792 105:596 106:976 107:2760 108:1144 109:4172 110:2137 111:3145 112:2076 113:1705 114:1746 115:2055 116:1932 117:2506 118:2756 119:1966 120:1784 121:1283 122:2655 123:2198 124:1589 125:2770 128:1502 129:915 130:1068 131:1988 132:878 133:411 134:1708 135:295 136:912 137:1137 138:2729 139:1565 140:1383 141:1358 142:1538 143:1540 144:1003 145:336 146:2002 147:1641 148:2492 149:2390 150:1020 151:1315 152:1847 153:595 154:5373 155:1376 156:2116 157:1387 158:1089 159:2205 160:2625 161:1616 162:3596 163:1650 164:1639 165:1882 166:1084 167:1741 168:3841 169:792 170:4702 171:955 172:3765 173:3028 174:901 175:1223 176:3605 177:4715 178:3549 179:2204 180:2389 181:3596 182:3410 183:2023 184:2267 185:20508 186:4795 187:4301 188:3994 189:3968 190:9322 191:1508 192:11021 193:8992 194:7333 195:5219 196:3142 197:2635 198:6017 199:6737 200:8055 201:6251 202:10512 203:10205 204:4596 205:3677 206:4455 207:3486 208:4105 209:4951 210:4539 211:2521 212:4212 213:3381 214:1122 215:49 216:6776 217:2774 218:1319 219:475 220:2028 221:1021 222:795 223:2187 End of report