IPv4 R&E Routing Table Report 21:10 GMT Thu 31 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: 925525 Prefixes after maximum aggregation (per Origin AS): 351523 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 452589 Number of IPv4 prefixes with a valid ROA: 418123 Number of IPv4 prefixes with an invalid ROA: 2290 Number of IPv4 prefixes with no ROA: 505112 Total ASes present in the Internet Routing Table: 74733 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 64251 Origin ASes announcing only one prefix: 26322 Transit ASes present in the Internet Routing Table: 10482 Transit-only ASes present in the Internet Routing Table: 454 Paths with bogon ASNs present in the IPv4 Routing Table: 61 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 102 Max AS path prepend of ASN (211389) 100 Prefixes from unregistered ASNs in the Routing Table: 1036 Number of instances of unregistered ASNs: 1053 Number of 32-bit ASNs allocated by the RIRs: 42544 Number of 32-bit ASNs visible in the Routing Table: 35019 Prefixes from 32-bit ASNs in the Routing Table: 174533 Number of bogon 32-bit ASNs visible in the Routing Table: 91 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 545 Number of addresses announced to Internet: 3055952640 Equivalent to 182 /8s, 38 /16s and 35 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 307926 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244437 Total APNIC prefixes after maximum aggregation: 69832 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 238177 Unique aggregates announced from the APNIC address blocks: 98573 APNIC Region origin ASes present in the Internet Routing Table: 13572 APNIC Prefixes per ASN: 17.55 APNIC Region origin ASes announcing only one prefix: 4019 APNIC Region transit ASes present in the Internet Routing Table: 1815 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8924 Number of APNIC addresses announced to Internet: 772672256 Equivalent to 46 /8s, 14 /16s and 11 /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: 271957 Total ARIN prefixes after maximum aggregation: 123799 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 274140 Unique aggregates announced from the ARIN address blocks: 131340 ARIN Region origin ASes present in the Internet Routing Table: 19088 ARIN Prefixes per ASN: 14.36 ARIN Region origin ASes announcing only one prefix: 6954 ARIN Region transit ASes present in the Internet Routing Table: 1930 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: 4823 Number of ARIN addresses announced to Internet: 1279664384 Equivalent to 76 /8s, 70 /16s and 33 /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: 259852 Total RIPE prefixes after maximum aggregation: 122671 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256523 Unique aggregates announced from the RIPE address blocks: 160023 RIPE Region origin ASes present in the Internet Routing Table: 28397 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12034 RIPE Region transit ASes present in the Internet Routing Table: 3897 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: 11302 Number of RIPE addresses announced to Internet: 716775424 Equivalent to 42 /8s, 185 /16s and 32 /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: 118380 Total LACNIC prefixes after maximum aggregation: 28542 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 117415 Unique aggregates announced from the LACNIC address blocks: 49338 LACNIC Region origin ASes present in the Internet Routing Table: 11030 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2694 LACNIC Region transit ASes present in the Internet Routing Table: 2323 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: 8841 Number of LACNIC addresses announced to Internet: 178609152 Equivalent to 10 /8s, 165 /16s and 92 /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: 29863 Total AfriNIC prefixes after maximum aggregation: 5961 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 38724 Unique aggregates announced from the AfriNIC address blocks: 12861 AfriNIC Region origin ASes present in the Internet Routing Table: 1787 AfriNIC Prefixes per ASN: 21.67 AfriNIC Region origin ASes announcing only one prefix: 621 AfriNIC Region transit ASes present in the Internet Routing Table: 332 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1129 Number of AfriNIC addresses announced to Internet: 107777536 Equivalent to 6 /8s, 108 /16s and 142 /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 9497 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5724 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4349 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3595 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3323 1835 91 VNPT-AS-VN VNPT Corp, VN 9498 3115 498 251 BBIL-AP BHARTI Airtel Ltd., IN 4538 2947 4192 73 ERX-CERNET-BKB China Education and Rese 7552 2935 1330 20 VIETEL-AS-AP Viettel Group, VN 24560 2490 847 397 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11270 590 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 9013 10983 3266 AMAZON-02, US 11492 4523 300 648 CABLEONE, US 7155 4179 288 101 VIASAT-SP-BACKBONE, US 22773 3563 3073 312 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3534 1319 66 SHAW, CA 749 3146 54960 2398 DNIC-AS-00749, US 16625 3037 1463 2291 AKAMAI-AS, US 367 2976 3837 1403 DNIC-ASBLK-00306-00371, US 396982 2687 3596 387 GOOGLE-CLOUD-PLATFORM, US 30036 2498 358 376 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 7343 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4092 3398 152 AKAMAI-ASN1, NL 8551 3461 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2971 2298 919 ROSTELECOM-AS, RU 9009 2656 246 1372 M247, RO 34984 2328 362 596 TELLCOM-AS, TR 58224 1749 933 521 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1502 101 1169 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 11717 3361 597 UNINET, MX 10620 3535 506 848 Telmex Colombia S.A., CO 13999 2452 364 642 Mega Cable, S.A. de C.V., MX 11830 1996 369 64 Instituto Costarricense de Electricidad 28573 1317 2324 232 Claro NXT Telecomunicacoes Ltda, BR 6503 1303 344 511 Axtel, S.A.B. de C.V., MX 3816 1294 764 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1121 182 434 Techtel LMDS Comunicaciones Interactiva 6147 1113 370 22 Telefonica del Peru S.A.A., PE 26615 1027 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 1593 393 19 LINKdotNET-AS, EG 24835 1457 497 26 RAYA-AS, EG 36992 1356 1518 281 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1049 67 45 ORANGE-COTE-IVOIRE, CI 36935 781 520 36 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 521 54 48 WANANCHI-, KE 37342 465 32 1 MOVITEL, MZ 24757 457 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 11717 3361 597 UNINET, MX 9808 9497 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9013 10983 3266 AMAZON-02, US 12479 7343 1713 145 UNI2-AS, ES 7545 5724 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4523 300 648 CABLEONE, US 18403 4349 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4179 288 101 VIASAT-SP-BACKBONE, US 20940 4092 3398 152 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 9497 9457 CHINAMOBILE-CN China Mobile Communications Grou 12479 7343 7198 UNI2-AS, ES 16509 9013 5747 AMAZON-02, US 7545 5724 5037 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4349 4324 FPT-AS-AP FPT Telecom Company, VN 7155 4179 4078 VIASAT-SP-BACKBONE, US 20940 4092 3940 AKAMAI-ASN1, NL 11492 4523 3875 CABLEONE, US 7713 3595 3532 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, 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 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 23.161.72.0/24 Origin: 18646 BITMAX, US 23.161.72.0/24 Transit: 1299 TWELVE99 Arelion, fka Telia Carrier, SE 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, 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 /10:39 /11:102 /12:298 /13:579 /14:1195 /15:2097 /16:13506 /17:8255 /18:13814 /19:24992 /20:43963 /21:51136 /22:109733 /23:99042 /24:556743 /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 6429 7343 UNI2-AS, ES 8151 5748 11717 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3433 4523 CABLEONE, US 6327 3345 3534 SHAW, CA 7155 3124 4179 VIASAT-SP-BACKBONE, US 8551 2929 3461 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2607 3563 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2156 2498 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2098 3535 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) ---------------------------------------------- 1:2222 2:1386 3:242 4:5 5:4549 6:137 7:6 8:1528 9:1 11:172 12:1510 13:373 14:2303 15:302 16:195 17:369 18:633 20:281 21:4 22:188 23:6400 24:2495 25:6 27:2581 29:19 31:2532 32:76 34:25 35:118 36:1987 37:4523 38:5163 39:869 40:147 41:4019 42:2104 43:2290 44:322 45:16614 46:4276 47:386 49:1787 50:1865 51:596 52:1597 54:392 55:961 56:8 57:123 58:1873 59:1160 60:999 61:2502 62:2685 63:1921 64:5580 65:2324 66:4934 67:3027 68:1340 69:4135 70:1192 71:666 72:2960 74:2616 75:1563 76:623 77:2333 78:1831 79:2986 80:2116 81:1824 82:1495 83:1281 84:1516 85:2978 86:750 87:2004 88:1130 89:3832 90:617 91:7809 92:2067 93:2622 94:3530 95:4009 96:1296 97:321 98:1077 99:734 100:91 101:1319 102:2957 103:31999 104:4577 105:558 106:881 107:2594 108:1138 109:4235 110:2126 111:3130 112:2065 113:1740 114:1682 115:2039 116:1902 117:2444 118:2700 119:2005 120:1778 121:1131 122:2586 123:2152 124:1556 125:2508 128:1474 129:926 130:1044 131:1967 132:863 133:419 134:1791 135:307 136:912 137:1122 138:2648 139:1572 140:1236 141:1292 142:1488 143:1483 144:1001 145:346 146:1948 147:1611 148:2462 149:2176 150:871 151:1232 152:1876 153:585 154:4903 155:1390 156:1955 157:1338 158:1083 159:2225 160:2606 161:1590 162:3523 163:1595 164:1716 165:1847 166:1023 167:1690 168:3719 169:911 170:4641 171:859 172:3669 173:2959 174:986 175:1199 176:3774 177:4445 178:3544 179:2115 180:2502 181:3436 182:3315 183:1991 184:2285 185:20537 186:4706 187:4101 188:4137 189:3778 190:9247 191:1331 192:10960 193:8929 194:7270 195:5195 196:3119 197:2443 198:6002 199:6115 200:7948 201:6029 202:10502 203:10117 204:4548 205:3665 206:4327 207:3472 208:4137 209:4943 210:4424 211:2482 212:4233 213:3430 214:1093 215:59 216:6686 217:2768 218:1298 219:466 220:2033 221:981 222:759 223:2149 End of report