IPv4 R&E Routing Table Report 21:10 GMT Fri 21 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: 977987 Prefixes after maximum aggregation (per Origin AS): 374188 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 475629 Number of IPv4 prefixes with a valid ROA: 537938 Number of IPv4 prefixes with an invalid ROA: 143 Number of IPv4 prefixes with no ROA: 439906 Total ASes present in the Internet Routing Table: 76675 Prefixes per ASN: 12.75 Origin-only ASes present in the Internet Routing Table: 65746 Origin ASes announcing only one prefix: 26863 Transit ASes present in the Internet Routing Table: 10929 Transit-only ASes present in the Internet Routing Table: 542 Paths with bogon ASNs present in the IPv4 Routing Table: 25 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: 1023 Number of instances of unregistered ASNs: 1033 Number of 32-bit ASNs allocated by the RIRs: 46125 Number of 32-bit ASNs visible in the Routing Table: 37992 Prefixes from 32-bit ASNs in the Routing Table: 199883 Number of bogon 32-bit ASNs visible in the Routing Table: 44 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 515 Number of addresses announced to Internet: 3108589312 Equivalent to 185 /8s, 73 /16s and 79 /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: 320879 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 255486 Total APNIC prefixes after maximum aggregation: 76152 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 247189 Unique aggregates announced from the APNIC address blocks: 102504 APNIC Region origin ASes present in the Internet Routing Table: 14539 APNIC Prefixes per ASN: 17.00 APNIC Region origin ASes announcing only one prefix: 4434 APNIC Region transit ASes present in the Internet Routing Table: 1950 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 49 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10050 Number of APNIC addresses announced to Internet: 748792064 Equivalent to 44 /8s, 161 /16s and 169 /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: 289858 Total ARIN prefixes after maximum aggregation: 128604 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 290555 Unique aggregates announced from the ARIN address blocks: 136795 ARIN Region origin ASes present in the Internet Routing Table: 19234 ARIN Prefixes per ASN: 15.11 ARIN Region origin ASes announcing only one prefix: 7033 ARIN Region transit ASes present in the Internet Routing Table: 1985 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: 5173 Number of ARIN addresses announced to Internet: 1350402048 Equivalent to 80 /8s, 125 /16s and 128 /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: 272976 Total RIPE prefixes after maximum aggregation: 132803 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 271240 Unique aggregates announced from the RIPE address blocks: 173463 RIPE Region origin ASes present in the Internet Routing Table: 28858 RIPE Prefixes per ASN: 9.40 RIPE Region origin ASes announcing only one prefix: 12035 RIPE Region transit ASes present in the Internet Routing Table: 3970 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: 12325 Number of RIPE addresses announced to Internet: 732431104 Equivalent to 43 /8s, 168 /16s and 3 /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: 123721 Total LACNIC prefixes after maximum aggregation: 29245 LACNIC Deaggregation factor: 4.23 Prefixes being announced from the LACNIC address blocks: 120369 Unique aggregates announced from the LACNIC address blocks: 48881 LACNIC Region origin ASes present in the Internet Routing Table: 11212 LACNIC Prefixes per ASN: 10.74 LACNIC Region origin ASes announcing only one prefix: 2665 LACNIC Region transit ASes present in the Internet Routing Table: 2468 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: 9169 Number of LACNIC addresses announced to Internet: 171586304 Equivalent to 10 /8s, 58 /16s and 51 /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: 34923 Total AfriNIC prefixes after maximum aggregation: 6754 AfriNIC Deaggregation factor: 5.17 Prefixes being announced from the AfriNIC address blocks: 48118 Unique aggregates announced from the AfriNIC address blocks: 13556 AfriNIC Region origin ASes present in the Internet Routing Table: 1913 AfriNIC Prefixes per ASN: 25.15 AfriNIC Region origin ASes announcing only one prefix: 696 AfriNIC Region transit ASes present in the Internet Routing Table: 375 Average AfriNIC Region AS path length visible: 5.2 Max AfriNIC Region AS path length visible: 60 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1275 Number of AfriNIC addresses announced to Internet: 105127168 Equivalent to 6 /8s, 68 /16s and 29 /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 10327 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6212 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4328 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4215 530 273 BBIL-AP BHARTI Airtel Ltd., IN 7552 3912 1332 26 VIETEL-AS-AP Viettel Group, VN 7713 3672 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3260 1869 101 VNPT-AS-VN VNPT Corp, VN 24560 2839 847 538 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2170 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 4755 2149 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 12929 39638 3983 AMAZON-02, US 11492 4675 310 585 CABLEONE, US 7155 4174 286 83 VIASAT-SP-BACKBONE, US 6327 3622 1320 81 SHAW, CA 22773 3600 3054 221 ASN-CXA-ALL-CCI-22773-RDC, US 174 3577 8766 959 COGENT-174, US 749 3259 54879 2506 DNIC-AS-00749, US 16625 3097 1307 2237 AKAMAI-AS, US 396982 2941 3660 454 GOOGLE-CLOUD-PLATFORM, US 30036 2571 357 374 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 7753 1714 145 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 4017 3395 129 AKAMAI-ASN1, NL 9009 3769 325 1953 M247, RO 12389 3001 2303 890 ROSTELECOM-AS, RU 34984 2368 360 584 TELLCOM-AS, TR 212238 2043 145 1502 CDNEXT, GB 8452 1613 1852 14 TE-AS TE-AS, EG 13188 1606 100 34 TRIOLAN, UA 62240 1489 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 11835 3241 582 UNINET, MX 10620 3523 486 970 Telmex Colombia S.A., CO 13999 2506 539 368 Mega Cable, S.A. de C.V., MX 11830 1993 369 64 Instituto Costarricense de Electricidad y 28573 1351 2437 265 Claro NXT Telecomunicacoes Ltda, BR 3816 1329 781 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6147 1189 371 22 Telefonica del Peru S.A.A., PE 11664 1165 278 33 Techtel LMDS Comunicaciones Interactivas 6503 1067 359 174 Axtel, S.A.B. de C.V., MX 22884 1050 70 377 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 1703 599 30 RAYA-AS, EG 24863 1621 389 16 LINKdotNET-AS, EG 29571 1564 102 23 ORANGE-COTE-IVOIRE, CI 36992 1426 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1006 521 42 Vodafone-, EG 20011 980 183 284 INTERNET-SOLUTIONS, ZA 37069 859 1083 15 MOBINIL, EG 6713 561 1861 35 IAM-AS, MA 36914 543 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 12929 39638 3983 AMAZON-02, US 8151 11835 3241 582 UNINET, MX 9808 10327 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7753 1714 145 UNI2-AS, ES 7545 6212 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4675 310 585 CABLEONE, US 18403 4328 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4215 530 273 BBIL-AP BHARTI Airtel Ltd., IN 7155 4174 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 11835 11253 UNINET, MX 9808 10327 10239 CHINAMOBILE-CN China Mobile Communications Grou 12479 7753 7608 UNI2-AS, ES 7545 6212 5556 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4328 4303 FPT-AS-AP FPT Telecom Company, VN 7155 4174 4091 VIASAT-SP-BACKBONE, US 11492 4675 4090 CABLEONE, US 9498 4215 3942 BBIL-AP BHARTI Airtel Ltd., IN 20940 4017 3888 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 23.140.216.0/24 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 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US 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 /9:16 /10:41 /11:93 /12:303 /13:585 /14:1225 /15:2170 /16:13973 /17:8307 /18:13735 /19:24632 /20:43767 /21:51717 /22:112051 /23:101356 /24:603999 /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 6686 7753 UNI2-AS, ES 8151 6037 11835 UNINET, MX 11492 3528 4675 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3418 3622 SHAW, CA 7155 3121 4174 VIASAT-SP-BACKBONE, US 22773 2718 3600 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2327 12929 AMAZON-02, US 30036 2229 2571 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2185 3523 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) ---------------------------------------------- 1:2336 2:1530 3:598 4:10 5:4568 6:163 7:6 8:1553 9:1 11:172 12:1374 13:343 14:2508 15:351 16:279 17:362 18:920 20:463 21:4 22:188 23:7358 24:3020 25:2 27:2761 29:19 31:3209 32:37 34:79 35:208 36:2401 37:4705 38:8832 39:898 40:155 41:4206 42:1955 43:2562 44:356 45:18431 46:4988 47:288 49:1980 50:1889 51:590 52:1557 54:301 55:1074 56:9 57:253 58:2200 59:1207 60:1169 61:2777 62:2897 63:1837 64:5497 65:2123 66:4627 67:3014 68:1152 69:3967 70:1161 71:621 72:2865 74:2809 75:1658 76:612 77:2701 78:1877 79:1737 80:2191 81:2024 82:2871 83:1392 84:1820 85:3374 86:1040 87:2157 88:1315 89:4325 90:783 91:8319 92:2788 93:2891 94:4008 95:4271 96:1425 97:314 98:1019 99:737 100:71 101:1044 102:3661 103:32172 104:4823 105:748 106:998 107:2618 108:1204 109:4114 110:2213 111:3321 112:2036 113:1791 114:1941 115:2157 116:2038 117:2744 118:2873 119:1955 120:1876 121:1352 122:2744 123:2181 124:1564 125:2853 126:88 128:1583 129:960 130:1283 131:1886 132:782 133:451 134:1524 135:329 136:1276 137:1290 138:2892 139:1612 140:1552 141:1479 142:1821 143:1641 144:1044 145:482 146:2162 147:2097 148:2616 149:2892 150:1242 151:2037 152:2103 153:571 154:7883 155:1616 156:3296 157:1910 158:1253 159:2428 160:3563 161:1947 162:3709 163:1947 164:1691 165:2200 166:1414 167:1886 168:4071 169:795 170:5125 171:1004 172:4478 173:3230 174:919 175:1261 176:3670 177:4707 178:3819 179:2348 180:2581 181:4039 182:3372 183:2058 184:2312 185:21515 186:5150 187:4381 188:4217 189:4179 190:9622 191:1546 192:11184 193:9425 194:7764 195:5557 196:3251 197:3655 198:6184 199:8395 200:8132 201:6293 202:10391 203:10610 204:4548 205:3668 206:4638 207:3559 208:4194 209:5193 210:4565 211:2511 212:4511 213:3749 214:1052 215:48 216:6584 217:3098 218:1326 219:377 220:2078 221:1068 222:720 223:2318 End of report