IPv4 R&E Routing Table Report 21:10 GMT Thu 03 Jul, 2025 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: 988579 Prefixes after maximum aggregation (per Origin AS): 382075 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 485266 Number of IPv4 prefixes with a valid ROA: 554597 Number of IPv4 prefixes with an invalid ROA: 154 Number of IPv4 prefixes with no ROA: 433828 Total ASes present in the Internet Routing Table: 76947 Prefixes per ASN: 12.85 Origin-only ASes present in the Internet Routing Table: 65912 Origin ASes announcing only one prefix: 26905 Transit ASes present in the Internet Routing Table: 11035 Transit-only ASes present in the Internet Routing Table: 558 Paths with bogon ASNs present in the IPv4 Routing Table: 29 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 78 Max AS path prepend of ASN (133647) 73 Prefixes from unregistered ASNs in the Routing Table: 1093 Number of instances of unregistered ASNs: 1130 Number of 32-bit ASNs allocated by the RIRs: 46744 Number of 32-bit ASNs visible in the Routing Table: 38477 Prefixes from 32-bit ASNs in the Routing Table: 204669 Number of bogon 32-bit ASNs visible in the Routing Table: 104 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 461 Number of addresses announced to Internet: 3105972736 Equivalent to 185 /8s, 33 /16s and 98 /24s Percentage of available address space announced: 83.9 Percentage of allocated address space announced: 83.9 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: 323311 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 260126 Total APNIC prefixes after maximum aggregation: 77434 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 251095 Unique aggregates announced from the APNIC address blocks: 104554 APNIC Region origin ASes present in the Internet Routing Table: 14668 APNIC Prefixes per ASN: 17.12 APNIC Region origin ASes announcing only one prefix: 4470 APNIC Region transit ASes present in the Internet Routing Table: 1969 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 78 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10201 Number of APNIC addresses announced to Internet: 748973568 Equivalent to 44 /8s, 164 /16s and 110 /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, 131072-155961 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: 291626 Total ARIN prefixes after maximum aggregation: 131868 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 292985 Unique aggregates announced from the ARIN address blocks: 140394 ARIN Region origin ASes present in the Internet Routing Table: 19237 ARIN Prefixes per ASN: 15.23 ARIN Region origin ASes announcing only one prefix: 7036 ARIN Region transit ASes present in the Internet Routing Table: 1989 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5241 Number of ARIN addresses announced to Internet: 1349097728 Equivalent to 80 /8s, 105 /16s and 153 /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, 393216-402332 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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 276431 Total RIPE prefixes after maximum aggregation: 135659 RIPE Deaggregation factor: 2.04 Prefixes being announced from the RIPE address blocks: 275363 Unique aggregates announced from the RIPE address blocks: 176938 RIPE Region origin ASes present in the Internet Routing Table: 28913 RIPE Prefixes per ASN: 9.52 RIPE Region origin ASes announcing only one prefix: 12024 RIPE Region transit ASes present in the Internet Routing Table: 3983 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12515 Number of RIPE addresses announced to Internet: 731278848 Equivalent to 43 /8s, 150 /16s and 110 /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, 53/8, 57/8, 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: 124120 Total LACNIC prefixes after maximum aggregation: 29717 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 120526 Unique aggregates announced from the LACNIC address blocks: 49039 LACNIC Region origin ASes present in the Internet Routing Table: 11281 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2680 LACNIC Region transit ASes present in the Internet Routing Table: 2522 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 31 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9232 Number of LACNIC addresses announced to Internet: 171183872 Equivalent to 10 /8s, 52 /16s and 15 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 35183 Total AfriNIC prefixes after maximum aggregation: 6670 AfriNIC Deaggregation factor: 5.27 Prefixes being announced from the AfriNIC address blocks: 48148 Unique aggregates announced from the AfriNIC address blocks: 13930 AfriNIC Region origin ASes present in the Internet Routing Table: 1925 AfriNIC Prefixes per ASN: 25.01 AfriNIC Region origin ASes announcing only one prefix: 695 AfriNIC Region transit ASes present in the Internet Routing Table: 379 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 32 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1288 Number of AfriNIC addresses announced to Internet: 105184512 Equivalent to 6 /8s, 68 /16s and 253 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 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 11562 8759 114 CHINAMOBILE-CN China Mobile Communication 7545 6148 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4415 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4350 535 312 BBIL-AP BHARTI Airtel Ltd., IN 7552 3916 1332 27 VIETEL-AS-AP Viettel Group, VN 7713 3697 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3278 1869 101 VNPT-AS-VN VNPT Corp, VN 24560 2897 861 525 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 56046 2425 811 178 CMNET-JIANGSU-AP China Mobile communicati 4755 2179 434 193 TATACOMM-AS TATA Communications formerly 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 13595 40950 5235 AMAZON-02, US 11492 4781 317 604 CABLEONE, US 7155 3857 286 85 VIASAT-SP-BACKBONE, US 6327 3636 1320 82 SHAW, CA 22773 3602 3037 209 ASN-CXA-ALL-CCI-22773-RDC, US 174 3465 8766 859 COGENT-174, US 749 3226 54767 2477 DNIC-AS-00749, US 396982 3193 3854 430 GOOGLE-CLOUD-PLATFORM, US 16625 3116 1308 2252 AKAMAI-AS, US 4155 2841 216 1736 USDA-1, 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 7654 1713 148 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 4072 3395 127 AKAMAI-ASN1, NL 9009 3775 351 2106 M247, RO 12389 3119 2305 883 ROSTELECOM-AS PJSC Rostelecom. Technical 34984 2403 361 583 TELLCOM-AS, TR 212238 2350 169 1717 CDNEXT, GB 13188 1606 100 34 TRIOLAN, UA 8452 1604 1852 14 TE-AS TE-AS, EG 8551 1420 366 39 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 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 12222 3256 575 UNINET, MX 10620 3508 481 1019 Telmex Colombia S.A., CO 13999 2539 538 356 Mega Cable, S.A. de C.V., MX 11830 1987 369 64 Instituto Costarricense de Electricidad y 28573 1368 2435 268 Claro NXT Telecomunicacoes Ltda, BR 3816 1344 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1195 371 22 Telefonica del Peru S.A.A., PE 11664 1186 278 33 Techtel LMDS Comunicaciones Interactivas 22884 1063 70 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 6503 1022 373 162 Axtel, S.A.B. de C.V., MX 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 1784 604 28 RAYA-AS, EG 24863 1621 389 17 LINKdotNET-AS, EG 29571 1607 102 33 ORANGE-COTE-IVOIRE, CI 36992 1431 1519 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 37069 1108 1100 18 MOBINIL, EG 36935 941 520 44 Vodafone-, EG 36914 569 82 3 KENET-AS, KE 20011 568 154 212 INTERNET-SOLUTIONS, ZA 15399 531 56 54 WANANCHI-, KE 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 16509 13595 40950 5235 AMAZON-02, US 8151 12222 3256 575 UNINET, MX 9808 11562 8759 114 CHINAMOBILE-CN China Mobile Communication 12479 7654 1713 148 UNI2-AS, ES 7545 6148 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4781 317 604 CABLEONE, US 18403 4415 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4350 535 312 BBIL-AP BHARTI Airtel Ltd., IN 20940 4072 3395 127 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 8151 12222 11647 UNINET, MX 9808 11562 11448 CHINAMOBILE-CN China Mobile Communications Grou 12479 7654 7506 UNI2-AS, ES 7545 6148 5525 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 4735 ALJAWWALSTC-AS, SA 18403 4415 4390 FPT-AS-AP FPT Telecom Company, VN 11492 4781 4177 CABLEONE, US 9498 4350 4038 BBIL-AP BHARTI Airtel Ltd., IN 20940 4072 3945 AKAMAI-ASN1, NL 7552 3916 3889 VIETEL-AS-AP Viettel Group, VN 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 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, 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 3356 LEVEL3, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 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 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 6939 HURRICANE, US 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 23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA 23.142.24.0/24 Transit: 64236 UNREAL-SERVERS, US 23.147.240.0/24 Origin: 32302 RESERVED, ZZ 23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE 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 /10:41 /11:92 /12:298 /13:585 /14:1210 /15:2154 /16:13789 /17:8236 /18:13505 /19:24556 /20:44000 /21:51848 /22:112098 /23:102951 /24:613185 /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 6577 7654 UNI2-AS, ES 8151 6434 12222 UNINET, MX 11492 3577 4781 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3431 3636 SHAW, CA 7155 2816 3857 VIASAT-SP-BACKBONE, US 22773 2732 3602 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2350 13595 AMAZON-02, US 30036 2267 2609 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2195 3508 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) ---------------------------------------------- 1:2383 2:1534 3:825 4:10 5:4829 6:162 7:6 8:1573 9:1 11:172 12:1344 13:450 14:2542 15:363 16:285 17:382 18:894 20:555 21:4 22:188 23:7743 24:2734 25:2 27:2790 29:19 31:3311 32:35 33:1 34:80 35:259 36:3272 37:4604 38:9335 39:907 40:229 41:4273 42:1909 43:2656 44:377 45:18593 46:5142 47:325 49:1817 50:1893 51:592 52:1553 54:321 55:1103 56:11 57:272 58:2188 59:1188 60:1173 61:2790 62:2926 63:1799 64:5529 65:2063 66:4722 67:3091 68:1123 69:3953 70:1115 71:629 72:2873 74:2793 75:1515 76:608 77:2777 78:1908 79:1733 80:2200 81:2077 82:3180 83:1496 84:1880 85:3466 86:1085 87:2138 88:1345 89:4434 90:776 91:8400 92:2748 93:2949 94:4052 95:4403 96:1487 97:311 98:999 99:691 100:72 101:1407 102:3884 103:32277 104:5216 105:762 106:978 107:2663 108:1261 109:4138 110:2237 111:3222 112:2184 113:1846 114:1968 115:2203 116:2059 117:2591 118:2983 119:1909 120:2100 121:1327 122:2795 123:2227 124:1613 125:2868 126:91 128:1615 129:958 130:1297 131:2052 132:780 133:451 134:1568 135:349 136:1388 137:1309 138:2806 139:1596 140:1628 141:1512 142:1917 143:1948 144:1160 145:557 146:2177 147:2106 148:2700 149:2912 150:1263 151:2165 152:2089 153:590 154:7688 155:1774 156:3155 157:1933 158:1339 159:2507 160:3617 161:1859 162:3887 163:2230 164:1866 165:2041 166:1515 167:2000 168:3968 169:782 170:5131 171:1008 172:4456 173:3362 174:927 175:1325 176:3713 177:4727 178:3925 179:2316 180:2598 181:4089 182:3490 183:2098 184:2128 185:21629 186:5178 187:4571 188:4267 189:4297 190:9586 191:1447 192:11322 193:9484 194:7762 195:5563 196:3308 197:3239 198:6194 199:8535 200:8210 201:6377 202:10360 203:10661 204:4603 205:3664 206:4465 207:3631 208:4283 209:5122 210:4617 211:2551 212:4585 213:3815 214:1016 215:46 216:6784 217:3203 218:1362 219:392 220:2142 221:1153 222:715 223:2545 End of report