IPv4 R&E Routing Table Report 21:10 GMT Fri 15 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: 936002 Prefixes after maximum aggregation (per Origin AS): 356644 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 455720 Number of IPv4 prefixes with a valid ROA: 434592 Number of IPv4 prefixes with an invalid ROA: 2399 Number of IPv4 prefixes with no ROA: 499011 Total ASes present in the Internet Routing Table: 75119 Prefixes per ASN: 12.46 Origin-only ASes present in the Internet Routing Table: 64559 Origin ASes announcing only one prefix: 26501 Transit ASes present in the Internet Routing Table: 10560 Transit-only ASes present in the Internet Routing Table: 460 Paths with bogon ASNs present in the IPv4 Routing Table: 48 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: 1089 Number of instances of unregistered ASNs: 1091 Number of 32-bit ASNs allocated by the RIRs: 43226 Number of 32-bit ASNs visible in the Routing Table: 35535 Prefixes from 32-bit ASNs in the Routing Table: 178745 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: 516 Number of addresses announced to Internet: 3047357696 Equivalent to 181 /8s, 162 /16s and 253 /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: 310567 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 248061 Total APNIC prefixes after maximum aggregation: 71583 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 241267 Unique aggregates announced from the APNIC address blocks: 99438 APNIC Region origin ASes present in the Internet Routing Table: 13819 APNIC Prefixes per ASN: 17.46 APNIC Region origin ASes announcing only one prefix: 4155 APNIC Region transit ASes present in the Internet Routing Table: 1857 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: 9184 Number of APNIC addresses announced to Internet: 770446848 Equivalent to 45 /8s, 236 /16s and 22 /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: 273588 Total ARIN prefixes after maximum aggregation: 124459 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 278204 Unique aggregates announced from the ARIN address blocks: 132654 ARIN Region origin ASes present in the Internet Routing Table: 19072 ARIN Prefixes per ASN: 14.59 ARIN Region origin ASes announcing only one prefix: 6950 ARIN Region transit ASes present in the Internet Routing Table: 1927 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: 4823 Number of ARIN addresses announced to Internet: 1275818240 Equivalent to 76 /8s, 11 /16s and 113 /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: 262742 Total RIPE prefixes after maximum aggregation: 125004 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 257321 Unique aggregates announced from the RIPE address blocks: 160842 RIPE Region origin ASes present in the Internet Routing Table: 28487 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12091 RIPE Region transit ASes present in the Internet Routing Table: 3899 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: 11471 Number of RIPE addresses announced to Internet: 714690816 Equivalent to 42 /8s, 153 /16s and 81 /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: 120135 Total LACNIC prefixes after maximum aggregation: 28815 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 118851 Unique aggregates announced from the LACNIC address blocks: 49421 LACNIC Region origin ASes present in the Internet Routing Table: 11055 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2665 LACNIC Region transit ASes present in the Internet Routing Table: 2360 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: 178242560 Equivalent to 10 /8s, 159 /16s and 196 /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: 30387 Total AfriNIC prefixes after maximum aggregation: 6040 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 39842 Unique aggregates announced from the AfriNIC address blocks: 12940 AfriNIC Region origin ASes present in the Internet Routing Table: 1814 AfriNIC Prefixes per ASN: 21.96 AfriNIC Region origin ASes announcing only one prefix: 640 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: 1158 Number of AfriNIC addresses announced to Internet: 107797504 Equivalent to 6 /8s, 108 /16s and 220 /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 9768 8731 43 CHINAMOBILE-CN China Mobile Communicati 7545 5660 783 677 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4438 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3592 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3392 495 254 BBIL-AP BHARTI Airtel Ltd., IN 45899 3247 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 2644 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 9382 11180 3412 AMAZON-02, US 11492 4562 303 680 CABLEONE, US 7155 4176 288 96 VIASAT-SP-BACKBONE, US 6327 3566 1320 69 SHAW, CA 22773 3486 3070 296 ASN-CXA-ALL-CCI-22773-RDC, US 749 3162 54930 2414 DNIC-AS-00749, US 16625 3158 1404 2317 AKAMAI-AS, US 367 2941 3835 1399 DNIC-ASBLK-00306-00371, US 396982 2736 3637 383 GOOGLE-CLOUD-PLATFORM, US 7018 2575 23627 1593 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 7582 1714 146 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 3996 3397 143 AKAMAI-ASN1, NL 9009 3495 300 1630 M247, RO 8551 3357 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2962 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 2490 339 634 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 1092 177 432 Techtel LMDS Comunicaciones Interactiva 6147 1085 369 22 Telefonica del Peru S.A.A., PE 22884 1075 116 377 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 24835 1548 545 28 RAYA-AS, EG 24863 1519 389 16 LINKdotNET-AS, EG 36992 1359 1518 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1049 68 52 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 36914 530 82 3 KENET-AS, KE 15399 502 53 41 WANANCHI-, KE 24757 476 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 9768 8731 43 CHINAMOBILE-CN China Mobile Communicati 16509 9382 11180 3412 AMAZON-02, US 12479 7582 1714 146 UNI2-AS, ES 7545 5660 783 677 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4562 303 680 CABLEONE, US 18403 4438 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4176 288 96 VIASAT-SP-BACKBONE, US 20940 3996 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 9768 9725 CHINAMOBILE-CN China Mobile Communications Grou 12479 7582 7436 UNI2-AS, ES 16509 9382 5970 AMAZON-02, US 7545 5660 4983 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4438 4413 FPT-AS-AP FPT Telecom Company, VN 7155 4176 4080 VIASAT-SP-BACKBONE, US 11492 4562 3882 CABLEONE, US 20940 3996 3853 AKAMAI-ASN1, NL 7713 3592 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 /14:1191 /15:2089 /16:13455 /17:8249 /18:13803 /19:25015 /20:43943 /21:51579 /22:110506 /23:99746 /24:565378 /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 6668 7582 UNI2-AS, ES 8151 6152 12135 UNINET, MX 11492 3476 4562 CABLEONE, US 6327 3371 3566 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3120 4176 VIASAT-SP-BACKBONE, US 8551 2834 3357 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2540 3486 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2138 2484 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) ---------------------------------------------- 1:2236 2:1409 3:282 4:5 5:4391 6:162 7:6 8:1514 9:1 11:172 12:1489 13:372 14:2316 15:305 16:207 17:361 18:700 20:343 21:4 22:188 23:6584 24:2603 25:2 27:2586 29:19 31:2542 32:53 34:35 35:119 36:2087 37:4508 38:5726 39:881 40:147 41:4099 42:2131 43:2310 44:327 45:16726 46:4399 47:298 49:1896 50:1888 51:573 52:1595 54:381 55:875 56:5 57:130 58:1933 59:1165 60:1009 61:2586 62:2746 63:1909 64:5499 65:2229 66:5008 67:3038 68:1332 69:4054 70:1172 71:617 72:2931 74:2641 75:1550 76:630 77:2339 78:1821 79:3004 80:2111 81:1869 82:1537 83:1322 84:1627 85:2982 86:787 87:1983 88:1232 89:3946 90:650 91:7892 92:2182 93:2639 94:3590 95:4019 96:1298 97:316 98:1021 99:747 100:96 101:1150 102:3034 103:32558 104:4787 105:599 106:979 107:2758 108:1141 109:4179 110:2138 111:3147 112:2079 113:1707 114:1745 115:2023 116:1930 117:2503 118:2757 119:1965 120:1784 121:1284 122:2651 123:2198 124:1589 125:2767 128:1502 129:915 130:1064 131:1989 132:871 133:411 134:1702 135:295 136:913 137:1135 138:2729 139:1558 140:1383 141:1356 142:1542 143:1532 144:1003 145:336 146:2003 147:1649 148:2499 149:2390 150:1019 151:1315 152:1847 153:595 154:5376 155:1377 156:2116 157:1386 158:1088 159:2204 160:2624 161:1622 162:3593 163:1651 164:1632 165:1881 166:1093 167:1748 168:3830 169:791 170:4707 171:955 172:3759 173:3030 174:901 175:1222 176:3607 177:4672 178:3549 179:2223 180:2397 181:3614 182:3406 183:2022 184:2267 185:20515 186:4805 187:4287 188:3994 189:3954 190:9328 191:1498 192:11018 193:8997 194:7343 195:5213 196:3142 197:2637 198:6010 199:6739 200:8078 201:6261 202:10492 203:10198 204:4597 205:3679 206:4456 207:3485 208:4105 209:4951 210:4545 211:2522 212:4214 213:3384 214:1113 215:49 216:6771 217:2774 218:1319 219:475 220:2028 221:1021 222:795 223:2191 End of report