IPv4 R&E Routing Table Report 21:10 GMT Mon 30 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: 988302 Prefixes after maximum aggregation (per Origin AS): 382009 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 484160 Number of IPv4 prefixes with a valid ROA: 552617 Number of IPv4 prefixes with an invalid ROA: 161 Number of IPv4 prefixes with no ROA: 435524 Total ASes present in the Internet Routing Table: 76936 Prefixes per ASN: 12.85 Origin-only ASes present in the Internet Routing Table: 65899 Origin ASes announcing only one prefix: 26893 Transit ASes present in the Internet Routing Table: 11037 Transit-only ASes present in the Internet Routing Table: 558 Paths with bogon ASNs present in the IPv4 Routing Table: 27 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: 1101 Number of instances of unregistered ASNs: 1138 Number of 32-bit ASNs allocated by the RIRs: 46719 Number of 32-bit ASNs visible in the Routing Table: 38456 Prefixes from 32-bit ASNs in the Routing Table: 204350 Number of bogon 32-bit ASNs visible in the Routing Table: 100 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 455 Number of addresses announced to Internet: 3105698048 Equivalent to 185 /8s, 29 /16s and 49 /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: 322834 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 260593 Total APNIC prefixes after maximum aggregation: 77689 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 251241 Unique aggregates announced from the APNIC address blocks: 104459 APNIC Region origin ASes present in the Internet Routing Table: 14642 APNIC Prefixes per ASN: 17.16 APNIC Region origin ASes announcing only one prefix: 4450 APNIC Region transit ASes present in the Internet Routing Table: 1964 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: 10173 Number of APNIC addresses announced to Internet: 748855552 Equivalent to 44 /8s, 162 /16s and 161 /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: 291287 Total ARIN prefixes after maximum aggregation: 131488 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 292784 Unique aggregates announced from the ARIN address blocks: 139651 ARIN Region origin ASes present in the Internet Routing Table: 19232 ARIN Prefixes per ASN: 15.22 ARIN Region origin ASes announcing only one prefix: 7032 ARIN Region transit ASes present in the Internet Routing Table: 1992 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: 1349314304 Equivalent to 80 /8s, 108 /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, 393216-402332 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: 275770 Total RIPE prefixes after maximum aggregation: 135463 RIPE Deaggregation factor: 2.04 Prefixes being announced from the RIPE address blocks: 274691 Unique aggregates announced from the RIPE address blocks: 176481 RIPE Region origin ASes present in the Internet Routing Table: 28935 RIPE Prefixes per ASN: 9.49 RIPE Region origin ASes announcing only one prefix: 12046 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: 12527 Number of RIPE addresses announced to Internet: 731143168 Equivalent to 43 /8s, 148 /16s and 92 /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: 124161 Total LACNIC prefixes after maximum aggregation: 29993 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 120636 Unique aggregates announced from the LACNIC address blocks: 49406 LACNIC Region origin ASes present in the Internet Routing Table: 11278 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2675 LACNIC Region transit ASes present in the Internet Routing Table: 2524 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: 9229 Number of LACNIC addresses announced to Internet: 170896128 Equivalent to 10 /8s, 47 /16s and 171 /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: 35390 Total AfriNIC prefixes after maximum aggregation: 6643 AfriNIC Deaggregation factor: 5.33 Prefixes being announced from the AfriNIC address blocks: 48494 Unique aggregates announced from the AfriNIC address blocks: 13758 AfriNIC Region origin ASes present in the Internet Routing Table: 1924 AfriNIC Prefixes per ASN: 25.20 AfriNIC Region origin ASes announcing only one prefix: 690 AfriNIC Region transit ASes present in the Internet Routing Table: 380 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: 1286 Number of AfriNIC addresses announced to Internet: 105236224 Equivalent to 6 /8s, 69 /16s and 199 /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 11415 8759 114 CHINAMOBILE-CN China Mobile Communication 7545 6126 839 626 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4403 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4348 535 312 BBIL-AP BHARTI Airtel Ltd., IN 7552 3913 1332 26 VIETEL-AS-AP Viettel Group, VN 7713 3697 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3277 1869 101 VNPT-AS-VN VNPT Corp, VN 24560 2892 857 527 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 56046 2286 811 178 CMNET-JIANGSU-AP China Mobile communicati 4755 2177 434 194 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 13571 40946 5206 AMAZON-02, US 11492 4781 317 604 CABLEONE, US 7155 3857 286 85 VIASAT-SP-BACKBONE, US 6327 3636 1320 82 SHAW, CA 22773 3605 3037 209 ASN-CXA-ALL-CCI-22773-RDC, US 174 3472 8768 863 COGENT-174, US 749 3227 54767 2478 DNIC-AS-00749, US 396982 3192 3854 429 GOOGLE-CLOUD-PLATFORM, US 16625 3116 1308 2254 AKAMAI-AS, US 4155 2840 216 1725 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 7674 1713 148 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 4067 3395 127 AKAMAI-ASN1, NL 9009 3768 350 2098 M247, RO 12389 3117 2305 887 ROSTELECOM-AS PJSC Rostelecom. Technical 34984 2401 361 581 TELLCOM-AS, TR 212238 2329 169 1697 CDNEXT, GB 8452 1635 1852 14 TE-AS TE-AS, EG 13188 1606 100 34 TRIOLAN, UA 8551 1418 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 12232 3256 576 UNINET, MX 10620 3506 481 1018 Telmex Colombia S.A., CO 13999 2539 538 355 Mega Cable, S.A. de C.V., MX 11830 1987 369 64 Instituto Costarricense de Electricidad y 28573 1371 2436 266 Claro NXT Telecomunicacoes Ltda, BR 3816 1344 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1206 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1196 371 22 Telefonica del Peru S.A.A., PE 22884 1064 70 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1054 2487 55 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 1823 660 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 1107 1100 18 MOBINIL, EG 36935 1062 520 44 Vodafone-, EG 36914 573 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 13571 40946 5206 AMAZON-02, US 8151 12232 3256 576 UNINET, MX 9808 11415 8759 114 CHINAMOBILE-CN China Mobile Communication 12479 7674 1713 148 UNI2-AS, ES 7545 6126 839 626 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4781 317 604 CABLEONE, US 18403 4403 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4348 535 312 BBIL-AP BHARTI Airtel Ltd., IN 20940 4067 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 12232 11656 UNINET, MX 9808 11415 11301 CHINAMOBILE-CN China Mobile Communications Grou 12479 7674 7526 UNI2-AS, ES 7545 6126 5500 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 4735 ALJAWWALSTC-AS, SA 18403 4403 4378 FPT-AS-AP FPT Telecom Company, VN 11492 4781 4177 CABLEONE, US 9498 4348 4036 BBIL-AP BHARTI Airtel Ltd., IN 20940 4067 3940 AKAMAI-ASN1, NL 7552 3913 3887 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 /12:299 /13:585 /14:1209 /15:2153 /16:13814 /17:8244 /18:13511 /19:24562 /20:44026 /21:51875 /22:112284 /23:103104 /24:612472 /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 6598 7674 UNI2-AS, ES 8151 6445 12232 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 2735 3605 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2349 13571 AMAZON-02, US 30036 2263 2605 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2193 3506 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) ---------------------------------------------- 1:2378 2:1533 3:817 4:10 5:4702 6:161 7:6 8:1571 9:1 11:172 12:1341 13:445 14:2540 15:364 16:285 17:379 18:914 20:554 21:4 22:188 23:7682 24:2729 25:2 27:2784 29:19 31:3293 32:35 33:1 34:80 35:258 36:3190 37:4569 38:9306 39:906 40:207 41:4292 42:1930 43:2645 44:376 45:18618 46:5137 47:325 49:1925 50:1890 51:592 52:1556 54:321 55:1095 56:11 57:272 58:2208 59:1189 60:1172 61:2789 62:2926 63:1798 64:5495 65:2061 66:4711 67:3083 68:1121 69:3938 70:1111 71:630 72:2868 74:2795 75:1517 76:608 77:2772 78:1899 79:1732 80:2203 81:2071 82:3175 83:1424 84:1869 85:3461 86:1085 87:2141 88:1346 89:4389 90:777 91:8376 92:2735 93:2937 94:4026 95:4397 96:1485 97:309 98:1000 99:683 100:72 101:1409 102:3902 103:32340 104:5215 105:759 106:975 107:2674 108:1249 109:4114 110:2233 111:3238 112:2137 113:1841 114:1995 115:2207 116:2066 117:2587 118:2928 119:1891 120:2085 121:1380 122:2791 123:2222 124:1607 125:2870 126:91 128:1612 129:953 130:1305 131:2065 132:778 133:451 134:1558 135:348 136:1350 137:1310 138:2814 139:1599 140:1623 141:1513 142:1914 143:1946 144:1164 145:559 146:2178 147:2108 148:2708 149:2931 150:1268 151:2105 152:2086 153:590 154:7780 155:1757 156:3136 157:1924 158:1331 159:2507 160:3608 161:1806 162:3889 163:2236 164:1862 165:2043 166:1511 167:1990 168:3963 169:789 170:5124 171:1010 172:4471 173:3356 174:921 175:1322 176:3702 177:4706 178:3896 179:2313 180:2638 181:4105 182:3477 183:2093 184:2127 185:21627 186:5175 187:4571 188:4252 189:4306 190:9586 191:1486 192:11315 193:9483 194:7816 195:5542 196:3319 197:3253 198:6198 199:8526 200:8214 201:6377 202:10357 203:10632 204:4598 205:3658 206:4453 207:3633 208:4277 209:5167 210:4622 211:2539 212:4572 213:3769 214:1013 215:46 216:6771 217:3198 218:1362 219:392 220:2138 221:1158 222:725 223:2516 End of report