IPv4 R&E Routing Table Report 21:10 GMT Fri 13 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: 986465 Prefixes after maximum aggregation (per Origin AS): 380466 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 482184 Number of IPv4 prefixes with a valid ROA: 550255 Number of IPv4 prefixes with an invalid ROA: 150 Number of IPv4 prefixes with no ROA: 436060 Total ASes present in the Internet Routing Table: 76887 Prefixes per ASN: 12.83 Origin-only ASes present in the Internet Routing Table: 65864 Origin ASes announcing only one prefix: 26875 Transit ASes present in the Internet Routing Table: 11023 Transit-only ASes present in the Internet Routing Table: 557 Paths with bogon ASNs present in the IPv4 Routing Table: 25 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 52 Max AS path prepend of ASN (139693) 35 Prefixes from unregistered ASNs in the Routing Table: 1136 Number of instances of unregistered ASNs: 1170 Number of 32-bit ASNs allocated by the RIRs: 46641 Number of 32-bit ASNs visible in the Routing Table: 38357 Prefixes from 32-bit ASNs in the Routing Table: 203631 Number of bogon 32-bit ASNs visible in the Routing Table: 96 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 449 Number of addresses announced to Internet: 3109889024 Equivalent to 185 /8s, 93 /16s and 36 /24s Percentage of available address space announced: 84.0 Percentage of allocated address space announced: 84.0 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: 323006 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 258745 Total APNIC prefixes after maximum aggregation: 77239 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 250079 Unique aggregates announced from the APNIC address blocks: 104251 APNIC Region origin ASes present in the Internet Routing Table: 14615 APNIC Prefixes per ASN: 17.11 APNIC Region origin ASes announcing only one prefix: 4449 APNIC Region transit ASes present in the Internet Routing Table: 1963 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10142 Number of APNIC addresses announced to Internet: 748833536 Equivalent to 44 /8s, 162 /16s and 75 /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: 291306 Total ARIN prefixes after maximum aggregation: 131342 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 293162 Unique aggregates announced from the ARIN address blocks: 139394 ARIN Region origin ASes present in the Internet Routing Table: 19227 ARIN Prefixes per ASN: 15.25 ARIN Region origin ASes announcing only one prefix: 7023 ARIN Region transit ASes present in the Internet Routing Table: 1997 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: 5227 Number of ARIN addresses announced to Internet: 1352704768 Equivalent to 80 /8s, 160 /16s and 163 /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: 275452 Total RIPE prefixes after maximum aggregation: 134848 RIPE Deaggregation factor: 2.04 Prefixes being announced from the RIPE address blocks: 274042 Unique aggregates announced from the RIPE address blocks: 175652 RIPE Region origin ASes present in the Internet Routing Table: 28926 RIPE Prefixes per ASN: 9.47 RIPE Region origin ASes announcing only one prefix: 12044 RIPE Region transit ASes present in the Internet Routing Table: 3993 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: 12490 Number of RIPE addresses announced to Internet: 731237632 Equivalent to 43 /8s, 149 /16s and 205 /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: 124211 Total LACNIC prefixes after maximum aggregation: 29571 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 120524 Unique aggregates announced from the LACNIC address blocks: 48958 LACNIC Region origin ASes present in the Internet Routing Table: 11260 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2660 LACNIC Region transit ASes present in the Internet Routing Table: 2506 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: 9213 Number of LACNIC addresses announced to Internet: 171830272 Equivalent to 10 /8s, 61 /16s and 236 /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: 35615 Total AfriNIC prefixes after maximum aggregation: 6715 AfriNIC Deaggregation factor: 5.30 Prefixes being announced from the AfriNIC address blocks: 48208 Unique aggregates announced from the AfriNIC address blocks: 13531 AfriNIC Region origin ASes present in the Internet Routing Table: 1923 AfriNIC Prefixes per ASN: 25.07 AfriNIC Region origin ASes announcing only one prefix: 699 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: 1285 Number of AfriNIC addresses announced to Internet: 105074688 Equivalent to 6 /8s, 67 /16s and 80 /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 11080 8758 100 CHINAMOBILE-CN China Mobile Communication 7545 6172 847 650 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4474 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4310 534 305 BBIL-AP BHARTI Airtel Ltd., IN 7552 3923 1332 26 VIETEL-AS-AP Viettel Group, VN 7713 3695 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3272 1869 101 VNPT-AS-VN VNPT Corp, VN 24560 2886 856 531 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2175 434 193 TATACOMM-AS TATA Communications formerly 45090 2173 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 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 13703 40941 5246 AMAZON-02, US 11492 4762 316 595 CABLEONE, US 7155 3862 286 85 VIASAT-SP-BACKBONE, US 6327 3635 1320 81 SHAW, CA 22773 3608 3037 212 ASN-CXA-ALL-CCI-22773-RDC, US 174 3543 8745 880 COGENT-174, US 749 3229 54783 2480 DNIC-AS-00749, US 396982 3186 3854 426 GOOGLE-CLOUD-PLATFORM, US 16625 3139 1313 2258 AKAMAI-AS, US 36352 2816 230 857 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 7697 1713 148 UNI2-AS, ES 39891 4798 293 63 ALJAWWALSTC-AS, SA 20940 4067 3395 127 AKAMAI-ASN1, NL 9009 3887 358 2090 M247, RO 12389 3106 2304 886 ROSTELECOM-AS PJSC Rostelecom. Technical 34984 2402 361 579 TELLCOM-AS, TR 212238 2271 166 1658 CDNEXT, GB 8452 1631 1852 14 TE-AS TE-AS, EG 13188 1606 100 34 TRIOLAN, UA 62240 1414 94 738 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 12195 3254 578 UNINET, MX 10620 3501 481 1018 Telmex Colombia S.A., CO 13999 2493 541 357 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 1204 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1200 371 22 Telefonica del Peru S.A.A., PE 22884 1063 70 376 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 6503 1041 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 1820 644 27 RAYA-AS, EG 24863 1633 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 1066 523 47 Vodafone-, EG 20011 980 185 285 INTERNET-SOLUTIONS, ZA 36914 562 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 13703 40941 5246 AMAZON-02, US 8151 12195 3254 578 UNINET, MX 9808 11080 8758 100 CHINAMOBILE-CN China Mobile Communication 12479 7697 1713 148 UNI2-AS, ES 7545 6172 847 650 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 293 63 ALJAWWALSTC-AS, SA 11492 4762 316 595 CABLEONE, US 18403 4474 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4310 534 305 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 12195 11617 UNINET, MX 9808 11080 10980 CHINAMOBILE-CN China Mobile Communications Grou 12479 7697 7549 UNI2-AS, ES 7545 6172 5522 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4798 4735 ALJAWWALSTC-AS, SA 18403 4474 4449 FPT-AS-AP FPT Telecom Company, VN 11492 4762 4167 CABLEONE, US 9498 4310 4005 BBIL-AP BHARTI Airtel Ltd., IN 20940 4067 3940 AKAMAI-ASN1, NL 7552 3923 3897 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 398728 UNALLOCATED 8.10.134.0/24 174 COGENT-174, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 3356 LEVEL3, 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 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 23.140.52.0/24 Origin: 32591 CANOPS, CA 23.140.52.0/24 Transit: 19523 BH-TELECOM-CORP, CA 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 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 /14:1220 /15:2162 /16:13909 /17:8263 /18:13693 /19:24580 /20:44024 /21:51770 /22:112162 /23:102832 /24:610802 /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 6617 7697 UNI2-AS, ES 8151 6413 12195 UNINET, MX 11492 3559 4762 CABLEONE, US 39891 3489 4798 ALJAWWALSTC-AS, SA 6327 3431 3635 SHAW, CA 7155 2821 3862 VIASAT-SP-BACKBONE, US 22773 2736 3608 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2379 13703 AMAZON-02, US 30036 2250 2592 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2188 3501 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) ---------------------------------------------- 1:2367 2:1517 3:818 4:10 5:4747 6:162 7:6 8:1572 9:1 11:172 12:1345 13:454 14:2520 15:360 16:285 17:378 18:922 20:545 21:4 22:188 23:7640 24:2871 25:2 27:2780 29:19 31:3295 32:36 33:1 34:80 35:256 36:3088 37:4588 38:9352 39:907 40:166 41:4188 42:2007 43:2613 44:384 45:18593 46:5135 47:317 49:1941 50:1892 51:591 52:1567 54:328 55:1090 56:11 57:268 58:2219 59:1183 60:1171 61:2797 62:2935 63:1801 64:5473 65:2064 66:4673 67:3069 68:1157 69:3945 70:1137 71:633 72:2830 74:2801 75:1515 76:616 77:2717 78:1900 79:1719 80:2226 81:2066 82:3166 83:1451 84:1877 85:3461 86:1081 87:2146 88:1333 89:4420 90:770 91:8406 92:2730 93:2917 94:4021 95:4357 96:1467 97:311 98:1022 99:698 100:73 101:1411 102:3843 103:32271 104:5143 105:766 106:1034 107:2688 108:1244 109:4091 110:2228 111:3273 112:2129 113:1803 114:1989 115:2141 116:2060 117:2572 118:2884 119:1910 120:2000 121:1381 122:2779 123:2202 124:1585 125:2860 126:91 128:1619 129:952 130:1309 131:2020 132:781 133:449 134:1528 135:350 136:1351 137:1307 138:2833 139:1601 140:1602 141:1509 142:1901 143:1839 144:1123 145:544 146:2185 147:2105 148:2705 149:2888 150:1253 151:1972 152:2094 153:578 154:7452 155:1747 156:2999 157:1920 158:1324 159:2493 160:3607 161:1856 162:3857 163:2214 164:1854 165:1982 166:1495 167:1962 168:4018 169:799 170:5121 171:1023 172:4480 173:3331 174:927 175:1304 176:3700 177:4695 178:3716 179:2309 180:2637 181:4058 182:3445 183:2099 184:2126 185:21604 186:5196 187:4495 188:4256 189:4277 190:9605 191:1488 192:11318 193:9484 194:7815 195:5547 196:3290 197:3660 198:6208 199:8517 200:8226 201:6372 202:10291 203:10657 204:4581 205:3643 206:4490 207:3618 208:4279 209:5169 210:4610 211:2535 212:4582 213:3742 214:1027 215:48 216:6781 217:3173 218:1355 219:389 220:2085 221:1139 222:725 223:2466 End of report