IPv4 R&E Routing Table Report 21:10 GMT Wed 05 Mar, 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: 976633 Prefixes after maximum aggregation (per Origin AS): 373552 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 476117 Number of IPv4 prefixes with a valid ROA: 535755 Number of IPv4 prefixes with an invalid ROA: 149 Number of IPv4 prefixes with no ROA: 440729 Total ASes present in the Internet Routing Table: 76609 Prefixes per ASN: 12.75 Origin-only ASes present in the Internet Routing Table: 65663 Origin ASes announcing only one prefix: 26896 Transit ASes present in the Internet Routing Table: 10946 Transit-only ASes present in the Internet Routing Table: 545 Paths with bogon ASNs present in the IPv4 Routing Table: 22 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 60 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 974 Number of instances of unregistered ASNs: 980 Number of 32-bit ASNs allocated by the RIRs: 46211 Number of 32-bit ASNs visible in the Routing Table: 37889 Prefixes from 32-bit ASNs in the Routing Table: 199286 Number of bogon 32-bit ASNs visible in the Routing Table: 34 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 467 Number of addresses announced to Internet: 3111053824 Equivalent to 185 /8s, 110 /16s and 234 /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: 319981 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 255453 Total APNIC prefixes after maximum aggregation: 75993 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 247336 Unique aggregates announced from the APNIC address blocks: 102501 APNIC Region origin ASes present in the Internet Routing Table: 14513 APNIC Prefixes per ASN: 17.04 APNIC Region origin ASes announcing only one prefix: 4438 APNIC Region transit ASes present in the Internet Routing Table: 1945 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10018 Number of APNIC addresses announced to Internet: 749468928 Equivalent to 44 /8s, 171 /16s and 253 /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: 288952 Total ARIN prefixes after maximum aggregation: 128439 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 289838 Unique aggregates announced from the ARIN address blocks: 136416 ARIN Region origin ASes present in the Internet Routing Table: 19229 ARIN Prefixes per ASN: 15.07 ARIN Region origin ASes announcing only one prefix: 7028 ARIN Region transit ASes present in the Internet Routing Table: 1991 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: 5167 Number of ARIN addresses announced to Internet: 1350111744 Equivalent to 80 /8s, 121 /16s and 18 /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: 272697 Total RIPE prefixes after maximum aggregation: 132499 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 270577 Unique aggregates announced from the RIPE address blocks: 172708 RIPE Region origin ASes present in the Internet Routing Table: 28837 RIPE Prefixes per ASN: 9.38 RIPE Region origin ASes announcing only one prefix: 12057 RIPE Region transit ASes present in the Internet Routing Table: 3975 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 35 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12281 Number of RIPE addresses announced to Internet: 732842496 Equivalent to 43 /8s, 174 /16s and 74 /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: 123521 Total LACNIC prefixes after maximum aggregation: 29174 LACNIC Deaggregation factor: 4.23 Prefixes being announced from the LACNIC address blocks: 120415 Unique aggregates announced from the LACNIC address blocks: 48897 LACNIC Region origin ASes present in the Internet Routing Table: 11209 LACNIC Prefixes per ASN: 10.74 LACNIC Region origin ASes announcing only one prefix: 2674 LACNIC Region transit ASes present in the Internet Routing Table: 2478 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 34 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9152 Number of LACNIC addresses announced to Internet: 173778432 Equivalent to 10 /8s, 91 /16s and 166 /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: 35036 Total AfriNIC prefixes after maximum aggregation: 6836 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 47999 Unique aggregates announced from the AfriNIC address blocks: 15191 AfriNIC Region origin ASes present in the Internet Routing Table: 1911 AfriNIC Prefixes per ASN: 25.12 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: 60 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1271 Number of AfriNIC addresses announced to Internet: 104618240 Equivalent to 6 /8s, 60 /16s and 89 /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 10326 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6214 843 659 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4392 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4215 530 273 BBIL-AP BHARTI Airtel Ltd., IN 7552 3921 1332 26 VIETEL-AS-AP Viettel Group, VN 7713 3671 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3263 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2842 854 533 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2171 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 4755 2150 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 12997 39646 3948 AMAZON-02, US 11492 4705 312 566 CABLEONE, US 7155 4175 286 83 VIASAT-SP-BACKBONE, US 6327 3621 1320 81 SHAW, CA 22773 3595 3054 221 ASN-CXA-ALL-CCI-22773-RDC, US 174 3421 8767 958 COGENT-174, US 749 3259 54879 2506 DNIC-AS-00749, US 16625 3085 1315 2228 AKAMAI-AS, US 396982 2936 3660 454 GOOGLE-CLOUD-PLATFORM, US 30036 2564 357 404 MEDIACOM-ENTERPRISE-BUSINESS, 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 7770 1714 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 4026 3395 129 AKAMAI-ASN1, NL 9009 3759 322 1927 M247, RO 12389 2985 2304 895 ROSTELECOM-AS, RU 34984 2367 361 580 TELLCOM-AS, TR 212238 2028 146 1499 CDNEXT, GB 8452 1619 1852 14 TE-AS TE-AS, EG 13188 1606 100 34 TRIOLAN, UA 62240 1488 98 747 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 11792 3235 592 UNINET, MX 10620 3548 492 954 Telmex Colombia S.A., CO 13999 2506 539 374 Mega Cable, S.A. de C.V., MX 11830 1992 369 64 Instituto Costarricense de Electricidad y 28573 1351 2437 265 Claro NXT Telecomunicacoes Ltda, BR 3816 1330 781 212 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1169 371 22 Telefonica del Peru S.A.A., PE 11664 1167 278 33 Techtel LMDS Comunicaciones Interactivas 6503 1117 374 163 Axtel, S.A.B. de C.V., MX 22884 1046 82 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 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 1683 599 30 RAYA-AS, EG 24863 1618 389 16 LINKdotNET-AS, EG 29571 1577 99 102 ORANGE-COTE-IVOIRE, CI 36992 1426 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1022 523 45 Vodafone-, EG 20011 980 183 284 INTERNET-SOLUTIONS, ZA 37069 867 1083 15 MOBINIL, EG 6713 558 1861 35 IAM-AS, MA 36914 550 82 3 KENET-AS, 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 12997 39646 3948 AMAZON-02, US 8151 11792 3235 592 UNINET, MX 9808 10326 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7770 1714 145 UNI2-AS, ES 7545 6214 843 659 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4705 312 566 CABLEONE, US 18403 4392 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4215 530 273 BBIL-AP BHARTI Airtel Ltd., IN 7155 4175 286 83 VIASAT-SP-BACKBONE, US 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 11792 11200 UNINET, MX 9808 10326 10238 CHINAMOBILE-CN China Mobile Communications Grou 12479 7770 7625 UNI2-AS, ES 7545 6214 5555 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4392 4367 FPT-AS-AP FPT Telecom Company, VN 11492 4705 4139 CABLEONE, US 7155 4175 4092 VIASAT-SP-BACKBONE, US 9498 4215 3942 BBIL-AP BHARTI Airtel Ltd., IN 20940 4026 3897 AKAMAI-ASN1, NL 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 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 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 23.140.16.0/24 Origin: 63371 RESERVED, ZZ 23.140.16.0/24 Transit: 3356 LEVEL3, US 23.140.48.0/24 Origin: 63371 RESERVED, ZZ 23.140.48.0/24 Transit: 7018 ATT-INTERNET4, 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 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 /10:42 /11:92 /12:304 /13:586 /14:1224 /15:2169 /16:13966 /17:8315 /18:13734 /19:24596 /20:43889 /21:51868 /22:112177 /23:101187 /24:602451 /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 6712 7770 UNI2-AS, ES 8151 5992 11792 UNINET, MX 11492 3555 4705 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3417 3621 SHAW, CA 7155 3121 4175 VIASAT-SP-BACKBONE, US 22773 2713 3595 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2344 12997 AMAZON-02, US 30036 2223 2564 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2188 3548 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) ---------------------------------------------- 1:2327 2:1531 3:584 4:10 5:4561 6:167 7:6 8:1545 9:1 11:172 12:1374 13:350 14:2511 15:350 16:277 17:363 18:925 20:455 21:4 22:188 23:7340 24:2723 25:2 27:2746 29:19 31:3182 32:35 34:78 35:205 36:2409 37:4607 38:8729 39:898 40:154 41:4211 42:1992 43:2530 44:354 45:18325 46:5009 47:289 49:1975 50:1886 51:589 52:1566 54:301 55:1071 56:9 57:243 58:2214 59:1198 60:1166 61:2781 62:2911 63:1828 64:5522 65:2119 66:4648 67:3038 68:1155 69:3967 70:1156 71:615 72:2877 74:2785 75:1650 76:612 77:2677 78:1880 79:1722 80:2189 81:2017 82:2725 83:1395 84:1813 85:3357 86:1029 87:2164 88:1318 89:4317 90:780 91:8321 92:2798 93:2892 94:3910 95:4281 96:1407 97:318 98:1000 99:740 100:71 101:1141 102:3676 103:32237 104:4809 105:758 106:997 107:2609 108:1208 109:4104 110:2223 111:3318 112:2042 113:1791 114:1937 115:2160 116:2039 117:2760 118:2883 119:1957 120:1879 121:1360 122:2759 123:2183 124:1566 125:2867 126:88 128:1589 129:960 130:1286 131:1861 132:789 133:450 134:1531 135:327 136:1306 137:1292 138:2897 139:1633 140:1552 141:1467 142:1829 143:1629 144:1035 145:469 146:2152 147:2079 148:2594 149:2877 150:1235 151:1962 152:2110 153:571 154:7784 155:1616 156:3267 157:1912 158:1271 159:2427 160:3570 161:1927 162:3693 163:1874 164:1697 165:2186 166:1383 167:1879 168:4058 169:795 170:5087 171:1005 172:4457 173:3230 174:921 175:1269 176:3656 177:4753 178:3776 179:2226 180:2581 181:4011 182:3373 183:2064 184:2313 185:21488 186:5094 187:4305 188:4208 189:4199 190:9638 191:1535 192:11178 193:9401 194:7739 195:5524 196:3248 197:3610 198:6194 199:8374 200:8150 201:6292 202:10358 203:10618 204:4561 205:3666 206:4616 207:3577 208:4194 209:5230 210:4563 211:2526 212:4506 213:3745 214:1060 215:42 216:6570 217:3112 218:1333 219:371 220:2104 221:1055 222:718 223:2314 End of report