IPv4 R&E Routing Table Report 21:10 GMT Tue 13 May, 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: 983051 Prefixes after maximum aggregation (per Origin AS): 378421 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 479272 Number of IPv4 prefixes with a valid ROA: 544925 Number of IPv4 prefixes with an invalid ROA: 146 Number of IPv4 prefixes with no ROA: 437980 Total ASes present in the Internet Routing Table: 76815 Prefixes per ASN: 12.80 Origin-only ASes present in the Internet Routing Table: 65808 Origin ASes announcing only one prefix: 26960 Transit ASes present in the Internet Routing Table: 11007 Transit-only ASes present in the Internet Routing Table: 549 Paths with bogon ASNs present in the IPv4 Routing Table: 20 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 60 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 972 Number of instances of unregistered ASNs: 977 Number of 32-bit ASNs allocated by the RIRs: 46406 Number of 32-bit ASNs visible in the Routing Table: 38225 Prefixes from 32-bit ASNs in the Routing Table: 202666 Number of bogon 32-bit ASNs visible in the Routing Table: 29 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 469 Number of addresses announced to Internet: 3109207296 Equivalent to 185 /8s, 82 /16s and 189 /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: 321745 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 257486 Total APNIC prefixes after maximum aggregation: 76999 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 248591 Unique aggregates announced from the APNIC address blocks: 103107 APNIC Region origin ASes present in the Internet Routing Table: 14612 APNIC Prefixes per ASN: 17.01 APNIC Region origin ASes announcing only one prefix: 4470 APNIC Region transit ASes present in the Internet Routing Table: 1970 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10129 Number of APNIC addresses announced to Internet: 748382464 Equivalent to 44 /8s, 155 /16s and 105 /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: 290615 Total ARIN prefixes after maximum aggregation: 130538 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 291872 Unique aggregates announced from the ARIN address blocks: 138667 ARIN Region origin ASes present in the Internet Routing Table: 19250 ARIN Prefixes per ASN: 15.16 ARIN Region origin ASes announcing only one prefix: 7045 ARIN Region transit ASes present in the Internet Routing Table: 1988 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: 5206 Number of ARIN addresses announced to Internet: 1352732416 Equivalent to 80 /8s, 161 /16s and 15 /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: 273877 Total RIPE prefixes after maximum aggregation: 134015 RIPE Deaggregation factor: 2.04 Prefixes being announced from the RIPE address blocks: 271946 Unique aggregates announced from the RIPE address blocks: 174374 RIPE Region origin ASes present in the Internet Routing Table: 28901 RIPE Prefixes per ASN: 9.41 RIPE Region origin ASes announcing only one prefix: 12054 RIPE Region transit ASes present in the Internet Routing Table: 3983 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12430 Number of RIPE addresses announced to Internet: 730939648 Equivalent to 43 /8s, 145 /16s and 65 /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: 124483 Total LACNIC prefixes after maximum aggregation: 29490 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120107 Unique aggregates announced from the LACNIC address blocks: 48868 LACNIC Region origin ASes present in the Internet Routing Table: 11230 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2694 LACNIC Region transit ASes present in the Internet Routing Table: 2489 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 31 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9179 Number of LACNIC addresses announced to Internet: 171708928 Equivalent to 10 /8s, 60 /16s and 18 /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: 35618 Total AfriNIC prefixes after maximum aggregation: 6773 AfriNIC Deaggregation factor: 5.26 Prefixes being announced from the AfriNIC address blocks: 50065 Unique aggregates announced from the AfriNIC address blocks: 13870 AfriNIC Region origin ASes present in the Internet Routing Table: 1912 AfriNIC Prefixes per ASN: 26.18 AfriNIC Region origin ASes announcing only one prefix: 697 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: 60 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1281 Number of AfriNIC addresses announced to Internet: 105221632 Equivalent to 6 /8s, 69 /16s and 142 /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 10916 8756 96 CHINAMOBILE-CN China Mobile Communication 7545 6164 842 655 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4387 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4275 533 299 BBIL-AP BHARTI Airtel Ltd., IN 7552 3908 1332 26 VIETEL-AS-AP Viettel Group, VN 7713 3690 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3260 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2865 852 534 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2173 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 4766 2172 11522 647 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 13327 40825 4920 AMAZON-02, US 11492 4727 313 592 CABLEONE, US 7155 3859 286 85 VIASAT-SP-BACKBONE, US 6327 3621 1320 81 SHAW, CA 22773 3614 3052 212 ASN-CXA-ALL-CCI-22773-RDC, US 174 3459 8750 902 COGENT-174, US 749 3253 54861 2504 DNIC-AS-00749, US 396982 3166 3852 417 GOOGLE-CLOUD-PLATFORM, US 16625 3154 1320 2266 AKAMAI-AS, US 36352 2792 228 856 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 7719 1714 148 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 4060 3395 127 AKAMAI-ASN1, NL 9009 3782 325 1958 M247, RO 12389 3069 2304 886 ROSTELECOM-AS PJSC Rostelecom. Technical 34984 2392 360 582 TELLCOM-AS, TR 212238 2142 151 1576 CDNEXT, GB 13188 1606 100 34 TRIOLAN, UA 8452 1601 1852 14 TE-AS TE-AS, EG 62240 1421 94 736 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 12058 3247 582 UNINET, MX 10620 3500 480 1019 Telmex Colombia S.A., CO 13999 2511 539 359 Mega Cable, S.A. de C.V., MX 11830 1996 369 64 Instituto Costarricense de Electricidad y 28573 1358 2438 262 Claro NXT Telecomunicacoes Ltda, BR 3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1204 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1190 371 22 Telefonica del Peru S.A.A., PE 22884 1057 70 380 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 262287 1044 82 246 Latitude.sh LTDA, 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 1739 632 28 RAYA-AS, EG 24863 1652 389 16 LINKdotNET-AS, EG 29571 1597 102 33 ORANGE-COTE-IVOIRE, CI 36992 1432 1519 280 ETISALAT-MISR, EG 36903 1250 554 97 MT-MPLS, MA 37069 1107 1100 18 MOBINIL, EG 36935 1040 523 45 Vodafone-, EG 20011 980 185 285 INTERNET-SOLUTIONS, ZA 36914 553 82 3 KENET-AS, KE 15399 533 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 13327 40825 4920 AMAZON-02, US 8151 12058 3247 582 UNINET, MX 9808 10916 8756 96 CHINAMOBILE-CN China Mobile Communication 12479 7719 1714 148 UNI2-AS, ES 7545 6164 842 655 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4727 313 592 CABLEONE, US 18403 4387 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4275 533 299 BBIL-AP BHARTI Airtel Ltd., IN 20940 4060 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 12058 11476 UNINET, MX 9808 10916 10820 CHINAMOBILE-CN China Mobile Communications Grou 12479 7719 7571 UNI2-AS, ES 7545 6164 5509 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4387 4362 FPT-AS-AP FPT Telecom Company, VN 11492 4727 4135 CABLEONE, US 9498 4275 3976 BBIL-AP BHARTI Airtel Ltd., IN 20940 4060 3933 AKAMAI-ASN1, NL 7552 3908 3882 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 211747 UNALLOCATED 5.231.225.0/24 204044 ONLYSERVERS Dedicated S 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 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 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 23.138.204.0/24 Origin: 203062 ALEXANDRE-ROUX-ASRINFOPRO Alexandre Roux 23.138.204.0/24 Transit: 34872 SERVPERSO_SYSTEMS, BE 23.138.212.0/24 Origin: 400910 MOOSE, US 23.138.212.0/24 Transit: 35661 VIRTUASYS-EU Lift weight. Push bytes. Ne 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 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 /9:16 /10:41 /11:93 /12:300 /13:582 /14:1223 /15:2167 /16:13982 /17:8270 /18:13717 /19:24599 /20:43875 /21:51644 /22:111925 /23:102018 /24:608582 /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 6638 7719 UNI2-AS, ES 8151 6258 12058 UNINET, MX 11492 3533 4727 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3417 3621 SHAW, CA 7155 2818 3859 VIASAT-SP-BACKBONE, US 22773 2741 3614 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2320 13327 AMAZON-02, US 30036 2225 2566 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2186 3500 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) ---------------------------------------------- 1:2333 2:1530 3:724 4:11 5:4683 6:163 7:6 8:1586 9:1 11:172 12:1365 13:380 14:2517 15:353 16:284 17:372 18:920 20:518 21:4 22:188 23:7563 24:2802 25:2 27:2775 29:19 31:3259 32:37 33:1 34:80 35:207 36:2788 37:4634 38:9122 39:910 40:169 41:4208 42:2005 43:2581 44:380 45:18514 46:5068 47:300 49:1933 50:1893 51:590 52:1555 54:308 55:1094 56:11 57:256 58:2216 59:1217 60:1166 61:2775 62:2921 63:1815 64:5485 65:2116 66:4681 67:3070 68:1151 69:3935 70:1118 71:633 72:2847 74:2787 75:1617 76:614 77:2702 78:1896 79:1756 80:2201 81:2058 82:3146 83:1433 84:1862 85:3430 86:1064 87:2159 88:1306 89:4357 90:774 91:8351 92:2685 93:2890 94:4039 95:4326 96:1461 97:312 98:1019 99:679 100:72 101:1157 102:3934 103:32226 104:5021 105:757 106:1034 107:2662 108:1223 109:4075 110:2235 111:3315 112:2057 113:1786 114:1968 115:2194 116:2048 117:2666 118:2888 119:1953 120:1919 121:1373 122:2752 123:2177 124:1567 125:2844 126:91 128:1607 129:958 130:1304 131:1971 132:784 133:451 134:1535 135:331 136:1315 137:1304 138:2891 139:1591 140:1587 141:1502 142:1900 143:1733 144:1095 145:505 146:2165 147:2099 148:2676 149:2853 150:1215 151:1889 152:2090 153:562 154:8111 155:1953 156:3361 157:1902 158:1299 159:2446 160:3840 161:1891 162:3735 163:2142 164:1692 165:2200 166:1478 167:1905 168:4302 169:794 170:5115 171:1010 172:4448 173:3280 174:918 175:1300 176:3678 177:4675 178:3615 179:2273 180:2623 181:4053 182:3428 183:2114 184:2116 185:21591 186:5121 187:4421 188:4235 189:4240 190:9620 191:1461 192:11245 193:9497 194:7763 195:5512 196:3297 197:3722 198:6205 199:8475 200:8149 201:6324 202:10273 203:10628 204:4555 205:3549 206:4511 207:3580 208:4276 209:5209 210:4592 211:2536 212:4527 213:3712 214:1023 215:48 216:6738 217:3135 218:1342 219:376 220:2084 221:1082 222:718 223:2362 End of report