IPv4 R&E Routing Table Report 21:10 GMT Sun 11 Jun, 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: 922923 Prefixes after maximum aggregation (per Origin AS): 349966 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 450458 Number of IPv4 prefixes with a valid ROA: 406129 Number of IPv4 prefixes with an invalid ROA: 2413 Number of IPv4 prefixes with no ROA: 514381 Total ASes present in the Internet Routing Table: 74475 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64031 Origin ASes announcing only one prefix: 26271 Transit ASes present in the Internet Routing Table: 10444 Transit-only ASes present in the Internet Routing Table: 426 Paths with bogon ASNs present in the IPv4 Routing Table: 70 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 130 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1043 Number of instances of unregistered ASNs: 1115 Number of 32-bit ASNs allocated by the RIRs: 42071 Number of 32-bit ASNs visible in the Routing Table: 34665 Prefixes from 32-bit ASNs in the Routing Table: 172533 Number of bogon 32-bit ASNs visible in the Routing Table: 191 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 572 Number of addresses announced to Internet: 3055300608 Equivalent to 182 /8s, 28 /16s and 48 /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: 99.6 Total number of prefixes smaller than registry allocations: 308047 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243420 Total APNIC prefixes after maximum aggregation: 69052 APNIC Deaggregation factor: 3.53 Prefixes being announced from the APNIC address blocks: 237432 Unique aggregates announced from the APNIC address blocks: 98403 APNIC Region origin ASes present in the Internet Routing Table: 13446 APNIC Prefixes per ASN: 17.66 APNIC Region origin ASes announcing only one prefix: 3971 APNIC Region transit ASes present in the Internet Routing Table: 1796 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8768 Number of APNIC addresses announced to Internet: 773177344 Equivalent to 46 /8s, 21 /16s and 192 /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: 270491 Total ARIN prefixes after maximum aggregation: 123137 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 273145 Unique aggregates announced from the ARIN address blocks: 130624 ARIN Region origin ASes present in the Internet Routing Table: 19134 ARIN Prefixes per ASN: 14.28 ARIN Region origin ASes announcing only one prefix: 7009 ARIN Region transit ASes present in the Internet Routing Table: 1926 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4812 Number of ARIN addresses announced to Internet: 1280173824 Equivalent to 76 /8s, 77 /16s and 231 /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: 259885 Total RIPE prefixes after maximum aggregation: 122739 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255990 Unique aggregates announced from the RIPE address blocks: 159032 RIPE Region origin ASes present in the Internet Routing Table: 28323 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12037 RIPE Region transit ASes present in the Internet Routing Table: 3903 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 62 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11196 Number of RIPE addresses announced to Internet: 717645568 Equivalent to 42 /8s, 198 /16s and 103 /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 196608-213403 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: 118840 Total LACNIC prefixes after maximum aggregation: 28473 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117973 Unique aggregates announced from the LACNIC address blocks: 49482 LACNIC Region origin ASes present in the Internet Routing Table: 11007 LACNIC Prefixes per ASN: 10.72 LACNIC Region origin ASes announcing only one prefix: 2649 LACNIC Region transit ASes present in the Internet Routing Table: 2298 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8791 Number of LACNIC addresses announced to Internet: 176997376 Equivalent to 10 /8s, 140 /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: 29244 Total AfriNIC prefixes after maximum aggregation: 5824 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 37810 Unique aggregates announced from the AfriNIC address blocks: 12449 AfriNIC Region origin ASes present in the Internet Routing Table: 1749 AfriNIC Prefixes per ASN: 21.62 AfriNIC Region origin ASes announcing only one prefix: 605 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: 130 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1098 Number of AfriNIC addresses announced to Internet: 106914304 Equivalent to 6 /8s, 95 /16s and 98 /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 9510 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5724 784 692 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4184 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3535 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3376 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3364 1851 90 VNPT-AS-VN VNPT Corp, VN 9498 3022 498 252 BBIL-AP BHARTI Airtel Ltd., IN 4538 2729 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2418 836 444 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2288 11252 579 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 8492 10834 3094 AMAZON-02, US 11492 4515 299 608 CABLEONE, US 7155 4104 284 78 VIASAT-SP-BACKBONE, US 22773 3574 3068 269 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3523 1319 66 SHAW, CA 749 3127 54969 2379 DNIC-AS-00749, US 16625 3111 1549 2347 AKAMAI-AS, US 396982 2662 3593 376 GOOGLE-CLOUD-PLATFORM, US 30036 2504 360 419 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2453 24003 1543 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 7298 1706 140 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4088 3398 161 AKAMAI-ASN1, NL 8551 3460 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2930 2291 911 ROSTELECOM-AS, RU 9009 2668 248 1386 M247, RO 34984 2277 360 600 TELLCOM-AS, TR 6849 1976 307 17 UKRTELNET, UA 58224 1827 945 534 TCI, IR 61317 1661 111 1290 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 11402 3362 599 Uninet S.A. de C.V., MX 10620 3529 507 838 Telmex Colombia S.A., CO 13999 2350 351 621 Mega Cable, S.A. de C.V., MX 11830 2269 369 64 Instituto Costarricense de Electricidad 28573 1320 2324 238 Claro NXT Telecomunicacoes Ltda, BR 6503 1303 343 512 Axtel, S.A.B. de C.V., MX 3816 1296 763 171 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1133 370 22 Telefonica del Peru S.A.A., PE 11664 1102 180 438 Techtel LMDS Comunicaciones Interactiva 26615 1025 2498 45 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 1585 393 19 LINKdotNET-AS, EG 24835 1516 533 27 RAYA-AS, EG 36992 1304 1517 280 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1036 67 47 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 523 54 47 WANANCHI-, KE 24757 492 73 5 EthioNet-AS, ET 37342 480 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 11402 3362 599 Uninet S.A. de C.V., MX 9808 9510 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8492 10834 3094 AMAZON-02, US 12479 7298 1706 140 UNI2-AS, ES 7545 5724 784 692 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4515 299 608 CABLEONE, US 18403 4184 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4104 284 78 VIASAT-SP-BACKBONE, US 20940 4088 3398 161 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 9510 9473 CHINAMOBILE-CN China Mobile Communications Grou 12479 7298 7158 UNI2-AS, ES 16509 8492 5398 AMAZON-02, US 7545 5724 5032 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4184 4159 FPT-AS-AP FPT Telecom Company, VN 7155 4104 4026 VIASAT-SP-BACKBONE, US 20940 4088 3927 AKAMAI-ASN1, NL 11492 4515 3907 CABLEONE, US 7713 3535 3469 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 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 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 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 /11:103 /12:301 /13:582 /14:1197 /15:2093 /16:13469 /17:8210 /18:13812 /19:25010 /20:43482 /21:51357 /22:109743 /23:98343 /24:555151 /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 6387 7298 UNI2-AS, ES 8151 5359 11402 Uninet S.A. de C.V., MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3429 4515 CABLEONE, US 6327 3334 3523 SHAW, CA 7155 3089 4104 VIASAT-SP-BACKBONE, US 8551 2928 3460 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2640 3574 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2160 2504 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2085 3529 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) ---------------------------------------------- 1:2140 2:1281 3:199 4:5 5:4537 6:131 7:6 8:1521 9:1 11:172 12:1532 13:388 14:2301 15:304 16:193 17:370 18:450 20:264 21:4 22:188 23:6287 24:2603 25:6 27:2552 29:19 31:2511 32:78 34:22 35:111 36:1956 37:4687 38:4849 39:846 40:151 41:3905 42:1996 43:2329 44:305 45:16578 46:4294 47:376 49:1741 50:1865 51:585 52:1595 54:393 55:865 56:8 57:121 58:1895 59:1100 60:989 61:2516 62:2628 63:1903 64:5682 65:2323 66:5030 67:3057 68:1347 69:4134 70:1206 71:680 72:2982 74:2618 75:1558 76:611 77:2446 78:1821 79:2974 80:2117 81:1792 82:1498 83:1255 84:1524 85:3007 86:764 87:2016 88:1177 89:3739 90:614 91:7758 92:2061 93:2619 94:3628 95:4056 96:1317 97:336 98:1150 99:744 100:87 101:1078 102:2777 103:31576 104:4593 105:503 106:881 107:2583 108:1057 109:4203 110:2101 111:3116 112:2037 113:1723 114:1660 115:2050 116:1880 117:2525 118:2617 119:2002 120:1800 121:1097 122:2602 123:2147 124:1563 125:2483 128:1477 129:1058 130:1013 131:1995 132:854 133:420 134:1830 135:307 136:879 137:1095 138:2596 139:1551 140:1261 141:1433 142:1459 143:1517 144:1118 145:344 146:1958 147:1597 148:2428 149:2245 150:889 151:1151 152:1813 153:568 154:4534 155:1421 156:1809 157:1316 158:1088 159:2228 160:2551 161:1561 162:3515 163:1583 164:1630 165:1833 166:1104 167:1725 168:3870 169:946 170:4624 171:885 172:3584 173:2967 174:1070 175:1186 176:3712 177:4658 178:3607 179:2178 180:2556 181:3497 182:3390 183:2081 184:2347 185:20338 186:4858 187:3973 188:4107 189:3683 190:9227 191:1463 192:10931 193:8912 194:7332 195:5161 196:3079 197:2377 198:5966 199:6101 200:8015 201:5937 202:10522 203:10310 204:4571 205:3704 206:4281 207:3463 208:4116 209:4902 210:4374 211:2465 212:4195 213:3639 214:1088 215:59 216:6673 217:2730 218:1309 219:473 220:1997 221:968 222:755 223:2151 End of report