IPv4 R&E Routing Table Report 21:10 GMT Fri 08 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: 934920 Prefixes after maximum aggregation (per Origin AS): 356242 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 455655 Number of IPv4 prefixes with a valid ROA: 432842 Number of IPv4 prefixes with an invalid ROA: 2223 Number of IPv4 prefixes with no ROA: 499855 Total ASes present in the Internet Routing Table: 75062 Prefixes per ASN: 12.46 Origin-only ASes present in the Internet Routing Table: 64514 Origin ASes announcing only one prefix: 26504 Transit ASes present in the Internet Routing Table: 10548 Transit-only ASes present in the Internet Routing Table: 462 Paths with bogon ASNs present in the IPv4 Routing Table: 45 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 37 Max AS path prepend of ASN (272886) 31 Prefixes from unregistered ASNs in the Routing Table: 1056 Number of instances of unregistered ASNs: 1058 Number of 32-bit ASNs allocated by the RIRs: 43200 Number of 32-bit ASNs visible in the Routing Table: 35455 Prefixes from 32-bit ASNs in the Routing Table: 178280 Number of bogon 32-bit ASNs visible in the Routing Table: 22 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 511 Number of addresses announced to Internet: 3048022016 Equivalent to 181 /8s, 173 /16s and 32 /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: 309871 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 247968 Total APNIC prefixes after maximum aggregation: 71443 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 241146 Unique aggregates announced from the APNIC address blocks: 99405 APNIC Region origin ASes present in the Internet Routing Table: 13775 APNIC Prefixes per ASN: 17.51 APNIC Region origin ASes announcing only one prefix: 4133 APNIC Region transit ASes present in the Internet Routing Table: 1856 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: 9127 Number of APNIC addresses announced to Internet: 770979072 Equivalent to 45 /8s, 244 /16s and 53 /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: 273513 Total ARIN prefixes after maximum aggregation: 124494 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 278088 Unique aggregates announced from the ARIN address blocks: 132843 ARIN Region origin ASes present in the Internet Routing Table: 19078 ARIN Prefixes per ASN: 14.58 ARIN Region origin ASes announcing only one prefix: 6963 ARIN Region transit ASes present in the Internet Routing Table: 1933 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: 4821 Number of ARIN addresses announced to Internet: 1276053504 Equivalent to 76 /8s, 15 /16s and 8 /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: 261985 Total RIPE prefixes after maximum aggregation: 124820 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256609 Unique aggregates announced from the RIPE address blocks: 160674 RIPE Region origin ASes present in the Internet Routing Table: 28492 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12109 RIPE Region transit ASes present in the Internet Routing Table: 3890 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11465 Number of RIPE addresses announced to Internet: 714656000 Equivalent to 42 /8s, 152 /16s and 201 /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: 119913 Total LACNIC prefixes after maximum aggregation: 28764 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 118675 Unique aggregates announced from the LACNIC address blocks: 49485 LACNIC Region origin ASes present in the Internet Routing Table: 11055 LACNIC Prefixes per ASN: 10.73 LACNIC Region origin ASes announcing only one prefix: 2672 LACNIC Region transit ASes present in the Internet Routing Table: 2352 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: 8897 Number of LACNIC addresses announced to Internet: 178379776 Equivalent to 10 /8s, 161 /16s and 220 /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: 30485 Total AfriNIC prefixes after maximum aggregation: 6026 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 39890 Unique aggregates announced from the AfriNIC address blocks: 12831 AfriNIC Region origin ASes present in the Internet Routing Table: 1802 AfriNIC Prefixes per ASN: 22.14 AfriNIC Region origin ASes announcing only one prefix: 627 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: 1145 Number of AfriNIC addresses announced to Internet: 107593216 Equivalent to 6 /8s, 105 /16s and 190 /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 9745 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5676 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4421 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3599 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3387 494 252 BBIL-AP BHARTI Airtel Ltd., IN 45899 3246 1867 93 VNPT-AS-VN VNPT Corp, VN 7552 2988 1330 20 VIETEL-AS-AP Viettel Group, VN 4538 2941 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2640 853 366 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2233 11258 589 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 9457 11189 3325 AMAZON-02, US 11492 4561 303 681 CABLEONE, US 7155 4175 288 96 VIASAT-SP-BACKBONE, US 6327 3559 1320 68 SHAW, CA 22773 3512 3071 299 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3174 1410 2318 AKAMAI-AS, US 749 3163 54930 2415 DNIC-AS-00749, US 367 2985 3841 1414 DNIC-ASBLK-00306-00371, US 396982 2724 3631 375 GOOGLE-CLOUD-PLATFORM, US 7018 2582 23628 1597 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 7555 1714 146 UNI2-AS, ES 39891 4502 267 55 ALJAWWALSTC-AS, SA 20940 4009 3397 143 AKAMAI-ASN1, NL 9009 3484 300 1632 M247, RO 8551 2942 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2931 2301 907 ROSTELECOM-AS, RU 34984 2325 360 589 TELLCOM-AS, TR 58224 1610 895 586 TCI, IR 13188 1607 100 26 TRIOLAN, UA 8452 1521 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 12133 3379 595 UNINET, MX 10620 3527 499 872 Telmex Colombia S.A., CO 13999 2482 338 637 Mega Cable, S.A. de C.V., MX 11830 2004 369 64 Instituto Costarricense de Electricidad 28573 1341 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 1099 175 434 Techtel LMDS Comunicaciones Interactiva 6147 1081 369 22 Telefonica del Peru S.A.A., PE 26615 1048 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 1591 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1359 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1045 67 51 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 36914 523 82 3 KENET-AS, KE 15399 503 53 41 WANANCHI-, KE 37342 491 32 1 MOVITEL, MZ 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 12133 3379 595 UNINET, MX 9808 9745 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9457 11189 3325 AMAZON-02, US 12479 7555 1714 146 UNI2-AS, ES 7545 5676 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4561 303 681 CABLEONE, US 39891 4502 267 55 ALJAWWALSTC-AS, SA 18403 4421 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4175 288 96 VIASAT-SP-BACKBONE, US 20940 4009 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 9745 9704 CHINAMOBILE-CN China Mobile Communications Grou 12479 7555 7409 UNI2-AS, ES 16509 9457 6132 AMAZON-02, US 7545 5676 4986 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4502 4447 ALJAWWALSTC-AS, SA 18403 4421 4396 FPT-AS-AP FPT Telecom Company, VN 7155 4175 4079 VIASAT-SP-BACKBONE, US 11492 4561 3880 CABLEONE, US 20940 4009 3866 AKAMAI-ASN1, NL 7713 3599 3529 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 /14:1190 /15:2089 /16:13460 /17:8274 /18:13810 /19:25003 /20:43897 /21:51529 /22:110540 /23:99779 /24:564301 /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 6644 7555 UNI2-AS, ES 8151 6148 12133 UNINET, MX 11492 3475 4561 CABLEONE, US 6327 3367 3559 SHAW, CA 39891 3256 4502 ALJAWWALSTC-AS, SA 7155 3119 4175 VIASAT-SP-BACKBONE, US 22773 2564 3512 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2419 2942 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2126 2471 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2121 3527 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) ---------------------------------------------- 1:2236 2:1416 3:280 4:5 5:4394 6:160 7:6 8:1511 9:1 11:172 12:1488 13:374 14:2317 15:304 16:206 17:361 18:707 20:327 21:4 22:188 23:6541 24:2599 25:2 27:2597 29:19 31:2544 32:53 34:33 35:118 36:2044 37:4476 38:5704 39:881 40:150 41:4105 42:2137 43:2321 44:328 45:16702 46:4381 47:299 49:1887 50:1887 51:573 52:1598 54:395 55:803 56:5 57:129 58:1926 59:1156 60:1007 61:2583 62:2729 63:1909 64:5486 65:2228 66:5037 67:3051 68:1357 69:4082 70:1184 71:615 72:2932 74:2634 75:1564 76:628 77:2277 78:1823 79:2996 80:2122 81:1857 82:1535 83:1324 84:1622 85:2977 86:783 87:1975 88:1236 89:3929 90:641 91:7888 92:2175 93:2639 94:3585 95:4012 96:1299 97:316 98:1018 99:738 100:95 101:1419 102:3020 103:32546 104:4796 105:593 106:977 107:2746 108:1139 109:3765 110:2136 111:3139 112:2077 113:1692 114:1743 115:2052 116:1932 117:2498 118:2753 119:1963 120:1786 121:1273 122:2639 123:2198 124:1589 125:2762 128:1502 129:911 130:1060 131:1989 132:876 133:410 134:1706 135:295 136:916 137:1139 138:2727 139:1567 140:1343 141:1347 142:1541 143:1527 144:1009 145:344 146:1995 147:1642 148:2479 149:2374 150:1017 151:1289 152:1831 153:593 154:5329 155:1378 156:2126 157:1384 158:1085 159:2205 160:2618 161:1619 162:3568 163:1651 164:1638 165:1883 166:1108 167:1771 168:3830 169:799 170:4695 171:946 172:3764 173:3000 174:902 175:1230 176:3607 177:4573 178:3553 179:2216 180:2371 181:3598 182:3404 183:2026 184:2250 185:20506 186:4775 187:4269 188:4000 189:3973 190:9339 191:1499 192:11022 193:8974 194:7297 195:5214 196:3147 197:2654 198:6025 199:6648 200:8097 201:6234 202:10517 203:10213 204:4601 205:3678 206:4440 207:3493 208:4101 209:4934 210:4491 211:2503 212:4218 213:3404 214:1115 215:63 216:6757 217:2750 218:1318 219:475 220:2027 221:1017 222:791 223:2195 End of report