IPv4 R&E Routing Table Report 21:10 GMT Sat 09 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: 934985 Prefixes after maximum aggregation (per Origin AS): 356242 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 455585 Number of IPv4 prefixes with a valid ROA: 433002 Number of IPv4 prefixes with an invalid ROA: 2174 Number of IPv4 prefixes with no ROA: 499809 Total ASes present in the Internet Routing Table: 75074 Prefixes per ASN: 12.45 Origin-only ASes present in the Internet Routing Table: 64522 Origin ASes announcing only one prefix: 26501 Transit ASes present in the Internet Routing Table: 10552 Transit-only ASes present in the Internet Routing Table: 457 Paths with bogon ASNs present in the IPv4 Routing Table: 46 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: 1058 Number of instances of unregistered ASNs: 1060 Number of 32-bit ASNs allocated by the RIRs: 43210 Number of 32-bit ASNs visible in the Routing Table: 35476 Prefixes from 32-bit ASNs in the Routing Table: 178318 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: 3047896064 Equivalent to 181 /8s, 171 /16s and 52 /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: 310011 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 247914 Total APNIC prefixes after maximum aggregation: 71436 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 241108 Unique aggregates announced from the APNIC address blocks: 99412 APNIC Region origin ASes present in the Internet Routing Table: 13786 APNIC Prefixes per ASN: 17.49 APNIC Region origin ASes announcing only one prefix: 4139 APNIC Region transit ASes present in the Internet Routing Table: 1860 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: 9140 Number of APNIC addresses announced to Internet: 770975488 Equivalent to 45 /8s, 244 /16s and 39 /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: 273434 Total ARIN prefixes after maximum aggregation: 124465 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 278043 Unique aggregates announced from the ARIN address blocks: 132815 ARIN Region origin ASes present in the Internet Routing Table: 19075 ARIN Prefixes per ASN: 14.58 ARIN Region origin ASes announcing only one prefix: 6961 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: 4820 Number of ARIN addresses announced to Internet: 1275966720 Equivalent to 76 /8s, 13 /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: 262077 Total RIPE prefixes after maximum aggregation: 124832 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256691 Unique aggregates announced from the RIPE address blocks: 160670 RIPE Region origin ASes present in the Internet Routing Table: 28494 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12106 RIPE Region transit ASes present in the Internet Routing Table: 3897 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: 11466 Number of RIPE addresses announced to Internet: 714577152 Equivalent to 42 /8s, 151 /16s and 149 /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: 120060 Total LACNIC prefixes after maximum aggregation: 28784 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 118812 Unique aggregates announced from the LACNIC address blocks: 49440 LACNIC Region origin ASes present in the Internet Routing Table: 11053 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2661 LACNIC Region transit ASes present in the Internet Routing Table: 2347 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: 8899 Number of LACNIC addresses announced to Internet: 178418176 Equivalent to 10 /8s, 162 /16s and 114 /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: 30442 Total AfriNIC prefixes after maximum aggregation: 6028 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 39819 Unique aggregates announced from the AfriNIC address blocks: 12831 AfriNIC Region origin ASes present in the Internet Routing Table: 1808 AfriNIC Prefixes per ASN: 22.02 AfriNIC Region origin ASes announcing only one prefix: 634 AfriNIC Region transit ASes present in the Internet Routing Table: 343 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: 1151 Number of AfriNIC addresses announced to Internet: 107598080 Equivalent to 6 /8s, 105 /16s and 209 /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 4425 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 9445 11185 3337 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 3072 300 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3174 1410 2318 AKAMAI-AS, US 749 3163 54930 2415 DNIC-AS-00749, US 367 2975 3838 1411 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 7553 1714 146 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4009 3397 143 AKAMAI-ASN1, NL 9009 3484 300 1632 M247, RO 8551 2951 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2931 2301 907 ROSTELECOM-AS, RU 34984 2325 360 589 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1603 890 590 TCI, IR 8452 1540 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 12134 3379 596 UNINET, MX 10620 3527 499 872 Telmex Colombia S.A., CO 13999 2482 338 637 Mega Cable, S.A. de C.V., MX 11830 2000 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 1588 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 1048 67 51 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 36914 524 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 12134 3379 596 UNINET, MX 9808 9745 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9445 11185 3337 AMAZON-02, US 12479 7553 1714 146 UNI2-AS, ES 7545 5676 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4561 303 681 CABLEONE, US 18403 4425 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 7553 7407 UNI2-AS, ES 16509 9445 6108 AMAZON-02, US 7545 5676 4986 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4425 4400 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 /16:13458 /17:8275 /18:13812 /19:25001 /20:43899 /21:51521 /22:110537 /23:99756 /24:564399 /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 6642 7553 UNI2-AS, ES 8151 6149 12134 UNINET, MX 11492 3475 4561 CABLEONE, US 6327 3367 3559 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3119 4175 VIASAT-SP-BACKBONE, US 22773 2564 3512 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2428 2951 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) ---------------------------------------------- 1:2237 2:1417 3:280 4:5 5:4396 6:160 7:6 8:1512 9:1 11:172 12:1489 13:371 14:2319 15:304 16:206 17:361 18:706 20:328 21:4 22:188 23:6541 24:2599 25:2 27:2598 29:19 31:2546 32:53 34:33 35:119 36:2044 37:4476 38:5711 39:881 40:148 41:4076 42:2140 43:2317 44:328 45:16706 46:4380 47:299 49:1887 50:1886 51:573 52:1598 54:395 55:802 56:5 57:129 58:1925 59:1156 60:1007 61:2583 62:2728 63:1908 64:5489 65:2227 66:5038 67:3048 68:1357 69:4082 70:1184 71:615 72:2931 74:2633 75:1564 76:628 77:2340 78:1824 79:3003 80:2122 81:1857 82:1536 83:1324 84:1622 85:2979 86:784 87:1974 88:1237 89:3937 90:641 91:7889 92:2178 93:2640 94:3584 95:4014 96:1299 97:316 98:1018 99:738 100:95 101:1390 102:3018 103:32561 104:4792 105:593 106:977 107:2746 108:1139 109:3769 110:2136 111:3139 112:2079 113:1694 114:1744 115:2052 116:1932 117:2501 118:2755 119:1961 120:1786 121:1271 122:2637 123:2197 124:1589 125:2762 128:1501 129:911 130:1067 131:1996 132:874 133:410 134:1706 135:295 136:916 137:1139 138:2727 139:1567 140:1343 141:1350 142:1541 143:1534 144:1010 145:344 146:1991 147:1639 148:2479 149:2375 150:1017 151:1289 152:1831 153:592 154:5308 155:1374 156:2120 157:1385 158:1085 159:2205 160:2622 161:1618 162:3565 163:1653 164:1637 165:1879 166:1106 167:1771 168:3849 169:799 170:4691 171:946 172:3765 173:2999 174:902 175:1221 176:3607 177:4627 178:3552 179:2231 180:2370 181:3606 182:3406 183:2026 184:2250 185:20500 186:4761 187:4286 188:4004 189:3975 190:9352 191:1484 192:11015 193:8972 194:7297 195:5212 196:3148 197:2653 198:6025 199:6636 200:8103 201:6240 202:10495 203:10216 204:4603 205:3674 206:4436 207:3489 208:4102 209:4939 210:4492 211:2503 212:4214 213:3406 214:1117 215:63 216:6765 217:2750 218:1318 219:475 220:2026 221:1017 222:794 223:2196 End of report