IPv4 R&E Routing Table Report 21:10 GMT Wed 18 Jun, 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: 985912 Prefixes after maximum aggregation (per Origin AS): 380413 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 482414 Number of IPv4 prefixes with a valid ROA: 549970 Number of IPv4 prefixes with an invalid ROA: 151 Number of IPv4 prefixes with no ROA: 435791 Total ASes present in the Internet Routing Table: 76885 Prefixes per ASN: 12.82 Origin-only ASes present in the Internet Routing Table: 65872 Origin ASes announcing only one prefix: 26890 Transit ASes present in the Internet Routing Table: 11013 Transit-only ASes present in the Internet Routing Table: 546 Paths with bogon ASNs present in the IPv4 Routing Table: 24 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: 1115 Number of instances of unregistered ASNs: 1148 Number of 32-bit ASNs allocated by the RIRs: 46679 Number of 32-bit ASNs visible in the Routing Table: 38379 Prefixes from 32-bit ASNs in the Routing Table: 203942 Number of bogon 32-bit ASNs visible in the Routing Table: 94 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 447 Number of addresses announced to Internet: 3105868288 Equivalent to 185 /8s, 31 /16s and 202 /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: 322771 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 258974 Total APNIC prefixes after maximum aggregation: 77317 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 250359 Unique aggregates announced from the APNIC address blocks: 104374 APNIC Region origin ASes present in the Internet Routing Table: 14621 APNIC Prefixes per ASN: 17.12 APNIC Region origin ASes announcing only one prefix: 4447 APNIC Region transit ASes present in the Internet Routing Table: 1961 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: 10146 Number of APNIC addresses announced to Internet: 748713728 Equivalent to 44 /8s, 160 /16s and 119 /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: 291206 Total ARIN prefixes after maximum aggregation: 131281 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 292966 Unique aggregates announced from the ARIN address blocks: 139384 ARIN Region origin ASes present in the Internet Routing Table: 19240 ARIN Prefixes per ASN: 15.23 ARIN Region origin ASes announcing only one prefix: 7035 ARIN Region transit ASes present in the Internet Routing Table: 1995 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: 5239 Number of ARIN addresses announced to Internet: 1349524224 Equivalent to 80 /8s, 112 /16s and 27 /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: 275276 Total RIPE prefixes after maximum aggregation: 134881 RIPE Deaggregation factor: 2.04 Prefixes being announced from the RIPE address blocks: 273971 Unique aggregates announced from the RIPE address blocks: 175797 RIPE Region origin ASes present in the Internet Routing Table: 28915 RIPE Prefixes per ASN: 9.48 RIPE Region origin ASes announcing only one prefix: 12057 RIPE Region transit ASes present in the Internet Routing Table: 3996 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12497 Number of RIPE addresses announced to Internet: 731020288 Equivalent to 43 /8s, 146 /16s and 124 /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: 124023 Total LACNIC prefixes after maximum aggregation: 29552 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 120530 Unique aggregates announced from the LACNIC address blocks: 48914 LACNIC Region origin ASes present in the Internet Routing Table: 11259 LACNIC Prefixes per ASN: 10.71 LACNIC Region origin ASes announcing only one prefix: 2653 LACNIC Region transit ASes present in the Internet Routing Table: 2502 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9206 Number of LACNIC addresses announced to Internet: 171297792 Equivalent to 10 /8s, 53 /16s and 204 /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: 35318 Total AfriNIC prefixes after maximum aggregation: 6636 AfriNIC Deaggregation factor: 5.32 Prefixes being announced from the AfriNIC address blocks: 47638 Unique aggregates announced from the AfriNIC address blocks: 13549 AfriNIC Region origin ASes present in the Internet Routing Table: 1928 AfriNIC Prefixes per ASN: 24.71 AfriNIC Region origin ASes announcing only one prefix: 698 AfriNIC Region transit ASes present in the Internet Routing Table: 377 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 27 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1291 Number of AfriNIC addresses announced to Internet: 105105408 Equivalent to 6 /8s, 67 /16s and 200 /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 11224 8759 105 CHINAMOBILE-CN China Mobile Communication 7545 6192 847 651 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4478 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4327 534 308 BBIL-AP BHARTI Airtel Ltd., IN 7552 3917 1332 26 VIETEL-AS-AP Viettel Group, VN 7713 3694 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3272 1869 101 VNPT-AS-VN VNPT Corp, VN 24560 2887 856 530 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 56046 2189 811 178 CMNET-JIANGSU-AP China Mobile communicati 4755 2176 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 13676 40935 5240 AMAZON-02, US 11492 4772 316 600 CABLEONE, US 7155 3857 286 85 VIASAT-SP-BACKBONE, US 6327 3635 1320 81 SHAW, CA 22773 3605 3037 210 ASN-CXA-ALL-CCI-22773-RDC, US 174 3549 8744 872 COGENT-174, US 749 3227 54767 2478 DNIC-AS-00749, US 396982 3188 3854 426 GOOGLE-CLOUD-PLATFORM, US 16625 3134 1311 2260 AKAMAI-AS, US 36352 2816 230 846 AS-COLOCROSSING, 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 7674 1713 148 UNI2-AS, ES 39891 4780 291 66 ALJAWWALSTC-AS, SA 20940 4063 3395 127 AKAMAI-ASN1, NL 9009 3887 358 2090 M247, RO 12389 3107 2304 886 ROSTELECOM-AS PJSC Rostelecom. Technical 34984 2402 361 576 TELLCOM-AS, TR 212238 2301 169 1684 CDNEXT, GB 8452 1636 1852 14 TE-AS TE-AS, EG 13188 1606 100 34 TRIOLAN, UA 62240 1413 94 737 CLOUVIDER Clouvider - Global ASN, GB 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 12182 3256 574 UNINET, MX 10620 3502 481 1019 Telmex Colombia S.A., CO 13999 2533 537 353 Mega Cable, S.A. de C.V., MX 11830 1990 369 64 Instituto Costarricense de Electricidad y 28573 1371 2436 266 Claro NXT Telecomunicacoes Ltda, BR 3816 1340 787 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1207 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1201 371 22 Telefonica del Peru S.A.A., PE 22884 1063 70 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1048 2503 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 24835 1820 644 27 RAYA-AS, EG 24863 1623 389 17 LINKdotNET-AS, EG 29571 1606 102 33 ORANGE-COTE-IVOIRE, CI 36992 1431 1519 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 37069 1107 1100 18 MOBINIL, EG 36935 1062 520 44 Vodafone-, EG 20011 568 154 212 INTERNET-SOLUTIONS, ZA 36914 563 82 3 KENET-AS, KE 15399 530 56 53 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 13676 40935 5240 AMAZON-02, US 8151 12182 3256 574 UNINET, MX 9808 11224 8759 105 CHINAMOBILE-CN China Mobile Communication 12479 7674 1713 148 UNI2-AS, ES 7545 6192 847 651 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4780 291 66 ALJAWWALSTC-AS, SA 11492 4772 316 600 CABLEONE, US 18403 4478 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4327 534 308 BBIL-AP BHARTI Airtel Ltd., IN 20940 4063 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 12182 11608 UNINET, MX 9808 11224 11119 CHINAMOBILE-CN China Mobile Communications Grou 12479 7674 7526 UNI2-AS, ES 7545 6192 5541 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4780 4714 ALJAWWALSTC-AS, SA 18403 4478 4453 FPT-AS-AP FPT Telecom Company, VN 11492 4772 4172 CABLEONE, US 9498 4327 4019 BBIL-AP BHARTI Airtel Ltd., IN 20940 4063 3936 AKAMAI-ASN1, NL 7552 3917 3891 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 394804 UNALLOCATED 8.33.225.0/24 3356 LEVEL3, US 54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.38.73.0/24 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 23.147.240.0/24 Origin: 32302 RESERVED, ZZ 23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE 23.155.208.0/24 Origin: 396169 AS-GHCIL-01, US 23.155.208.0/24 Transit: 35985 ONERINGNET-ATL-1, US 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 /12:300 /13:584 /14:1209 /15:2153 /16:13850 /17:8247 /18:13526 /19:24556 /20:44021 /21:51760 /22:112163 /23:102843 /24:610536 /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 6593 7674 UNI2-AS, ES 8151 6402 12182 UNINET, MX 11492 3568 4772 CABLEONE, US 39891 3489 4780 ALJAWWALSTC-AS, SA 6327 3431 3635 SHAW, CA 7155 2816 3857 VIASAT-SP-BACKBONE, US 22773 2735 3605 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2371 13676 AMAZON-02, US 30036 2257 2599 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2189 3502 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) ---------------------------------------------- 1:2376 2:1524 3:826 4:10 5:4792 6:162 7:6 8:1570 9:1 11:172 12:1349 13:456 14:2523 15:362 16:285 17:377 18:921 20:545 21:4 22:188 23:7648 24:2873 25:2 27:2784 29:19 31:3295 32:35 33:1 34:80 35:255 36:3112 37:4582 38:9366 39:907 40:174 41:4260 42:1997 43:2608 44:385 45:18557 46:5116 47:319 49:1939 50:1887 51:591 52:1565 54:323 55:1077 56:11 57:270 58:2217 59:1224 60:1171 61:2793 62:2916 63:1799 64:5476 65:2065 66:4668 67:3074 68:1154 69:3939 70:1131 71:631 72:2872 74:2805 75:1514 76:616 77:2719 78:1903 79:1716 80:2207 81:2030 82:3171 83:1424 84:1877 85:3454 86:1084 87:2124 88:1339 89:4423 90:768 91:8414 92:2735 93:2918 94:4021 95:4365 96:1471 97:311 98:1023 99:692 100:73 101:1409 102:3879 103:32249 104:5159 105:761 106:1039 107:2684 108:1247 109:4096 110:2225 111:3276 112:2124 113:1806 114:1989 115:2159 116:2062 117:2572 118:2900 119:1904 120:2053 121:1378 122:2784 123:2198 124:1587 125:2866 126:91 128:1616 129:951 130:1311 131:2047 132:781 133:450 134:1555 135:346 136:1352 137:1308 138:2851 139:1596 140:1603 141:1500 142:1902 143:1862 144:1171 145:545 146:2187 147:2114 148:2678 149:2896 150:1250 151:1961 152:2085 153:590 154:7313 155:1755 156:2848 157:1922 158:1331 159:2495 160:3602 161:1854 162:3860 163:2228 164:1855 165:1994 166:1496 167:1975 168:3992 169:799 170:5134 171:1011 172:4471 173:3331 174:927 175:1302 176:3705 177:4727 178:3735 179:2313 180:2638 181:4065 182:3455 183:2125 184:2128 185:21564 186:5193 187:4542 188:4260 189:4318 190:9576 191:1501 192:11313 193:9501 194:7799 195:5538 196:3303 197:3248 198:6197 199:8506 200:8212 201:6388 202:10272 203:10682 204:4567 205:3647 206:4478 207:3581 208:4283 209:5165 210:4618 211:2537 212:4586 213:3753 214:1031 215:48 216:6775 217:3177 218:1356 219:391 220:2084 221:1143 222:725 223:2473 End of report