IPv4 R&E Routing Table Report 21:10 GMT Thu 08 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: 981756 Prefixes after maximum aggregation (per Origin AS): 377882 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 479164 Number of IPv4 prefixes with a valid ROA: 544701 Number of IPv4 prefixes with an invalid ROA: 146 Number of IPv4 prefixes with no ROA: 436909 Total ASes present in the Internet Routing Table: 76813 Prefixes per ASN: 12.78 Origin-only ASes present in the Internet Routing Table: 65797 Origin ASes announcing only one prefix: 26958 Transit ASes present in the Internet Routing Table: 11016 Transit-only ASes present in the Internet Routing Table: 546 Paths with bogon ASNs present in the IPv4 Routing Table: 18 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: 975 Number of instances of unregistered ASNs: 978 Number of 32-bit ASNs allocated by the RIRs: 46364 Number of 32-bit ASNs visible in the Routing Table: 38199 Prefixes from 32-bit ASNs in the Routing Table: 201716 Number of bogon 32-bit ASNs visible in the Routing Table: 24 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 469 Number of addresses announced to Internet: 3093277184 Equivalent to 184 /8s, 95 /16s and 170 /24s Percentage of available address space announced: 83.6 Percentage of allocated address space announced: 83.6 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: 321628 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 257241 Total APNIC prefixes after maximum aggregation: 76955 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 248427 Unique aggregates announced from the APNIC address blocks: 103039 APNIC Region origin ASes present in the Internet Routing Table: 14598 APNIC Prefixes per ASN: 17.02 APNIC Region origin ASes announcing only one prefix: 4460 APNIC Region transit ASes present in the Internet Routing Table: 1965 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: 10114 Number of APNIC addresses announced to Internet: 748395264 Equivalent to 44 /8s, 155 /16s and 155 /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: 290436 Total ARIN prefixes after maximum aggregation: 130207 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 291785 Unique aggregates announced from the ARIN address blocks: 138661 ARIN Region origin ASes present in the Internet Routing Table: 19252 ARIN Prefixes per ASN: 15.16 ARIN Region origin ASes announcing only one prefix: 7050 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: 5206 Number of ARIN addresses announced to Internet: 1353081856 Equivalent to 80 /8s, 166 /16s and 100 /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: 274013 Total RIPE prefixes after maximum aggregation: 133961 RIPE Deaggregation factor: 2.05 Prefixes being announced from the RIPE address blocks: 271860 Unique aggregates announced from the RIPE address blocks: 174277 RIPE Region origin ASes present in the Internet Routing Table: 28907 RIPE Prefixes per ASN: 9.40 RIPE Region origin ASes announcing only one prefix: 12045 RIPE Region transit ASes present in the Internet Routing Table: 3981 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: 12421 Number of RIPE addresses announced to Internet: 714652928 Equivalent to 42 /8s, 152 /16s and 189 /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: 123665 Total LACNIC prefixes after maximum aggregation: 29382 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 120030 Unique aggregates announced from the LACNIC address blocks: 48853 LACNIC Region origin ASes present in the Internet Routing Table: 11232 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2706 LACNIC Region transit ASes present in the Internet Routing Table: 2491 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: 9181 Number of LACNIC addresses announced to Internet: 171766016 Equivalent to 10 /8s, 60 /16s and 241 /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: 35426 Total AfriNIC prefixes after maximum aggregation: 6767 AfriNIC Deaggregation factor: 5.24 Prefixes being announced from the AfriNIC address blocks: 49184 Unique aggregates announced from the AfriNIC address blocks: 13948 AfriNIC Region origin ASes present in the Internet Routing Table: 1913 AfriNIC Prefixes per ASN: 25.71 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: 5.2 Max AfriNIC Region AS path length visible: 60 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1277 Number of AfriNIC addresses announced to Internet: 105157376 Equivalent to 6 /8s, 68 /16s and 147 /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 10795 8756 96 CHINAMOBILE-CN China Mobile Communication 7545 6216 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4329 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4271 533 296 BBIL-AP BHARTI Airtel Ltd., IN 7552 3908 1332 26 VIETEL-AS-AP Viettel Group, VN 7713 3688 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3260 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2863 852 533 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4766 2188 11523 648 KIXS-AS-KR Korea Telecom, KR 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 13332 40825 4655 AMAZON-02, US 11492 4725 313 592 CABLEONE, US 7155 3859 286 85 VIASAT-SP-BACKBONE, US 6327 3621 1320 81 SHAW, CA 22773 3610 3052 208 ASN-CXA-ALL-CCI-22773-RDC, US 174 3574 8750 897 COGENT-174, US 749 3253 54861 2504 DNIC-AS-00749, US 396982 3132 3850 411 GOOGLE-CLOUD-PLATFORM, US 16625 3119 1309 2259 AKAMAI-AS, US 36352 2780 228 851 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 1714 148 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 4057 3395 127 AKAMAI-ASN1, NL 9009 3806 328 1979 M247, RO 12389 3069 2302 885 ROSTELECOM-AS PJSC Rostelecom. Technical 34984 2362 360 584 TELLCOM-AS, TR 212238 2139 151 1580 CDNEXT, GB 8452 1647 1852 14 TE-AS TE-AS, EG 13188 1606 100 34 TRIOLAN, UA 62240 1420 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 12060 3247 582 UNINET, MX 10620 3533 486 993 Telmex Colombia S.A., CO 13999 2511 540 362 Mega Cable, S.A. de C.V., MX 11830 1995 369 64 Instituto Costarricense de Electricidad y 28573 1359 2438 262 Claro NXT Telecomunicacoes Ltda, BR 3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1198 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1190 371 22 Telefonica del Peru S.A.A., PE 22884 1056 70 380 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 6503 1042 374 163 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 1744 631 30 RAYA-AS, EG 24863 1650 389 16 LINKdotNET-AS, EG 29571 1599 103 23 ORANGE-COTE-IVOIRE, CI 36992 1431 1518 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1036 523 45 Vodafone-, EG 20011 980 185 285 INTERNET-SOLUTIONS, ZA 37069 932 1099 15 MOBINIL, EG 36914 550 82 3 KENET-AS, KE 15399 525 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 13332 40825 4655 AMAZON-02, US 8151 12060 3247 582 UNINET, MX 9808 10795 8756 96 CHINAMOBILE-CN China Mobile Communication 12479 7697 1714 148 UNI2-AS, ES 7545 6216 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4725 313 592 CABLEONE, US 18403 4329 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4271 533 296 BBIL-AP BHARTI Airtel Ltd., IN 20940 4057 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 12060 11478 UNINET, MX 9808 10795 10699 CHINAMOBILE-CN China Mobile Communications Grou 12479 7697 7549 UNI2-AS, ES 7545 6216 5559 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4329 4304 FPT-AS-AP FPT Telecom Company, VN 11492 4725 4133 CABLEONE, US 9498 4271 3975 BBIL-AP BHARTI Airtel Ltd., IN 20940 4057 3930 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 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 /8:15 /9:16 /10:41 /11:93 /12:300 /13:583 /14:1223 /15:2168 /16:13990 /17:8279 /18:13714 /19:24614 /20:43721 /21:51683 /22:111984 /23:101869 /24:607462 /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 6618 7697 UNI2-AS, ES 8151 6257 12060 UNINET, MX 11492 3533 4725 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3417 3621 SHAW, CA 7155 2818 3859 VIASAT-SP-BACKBONE, US 22773 2741 3610 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2319 13332 AMAZON-02, US 30036 2225 2566 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2199 3533 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 2:1528 3:704 4:10 5:4683 6:162 7:6 8:1571 9:1 11:172 12:1367 13:373 14:2517 15:353 16:283 17:372 18:921 20:518 21:4 22:188 23:7542 24:2807 25:2 27:2776 29:19 31:3246 32:37 33:1 34:80 35:207 36:2755 37:4640 38:9106 39:909 40:167 41:4207 42:1963 43:2569 44:377 45:18545 46:5057 47:294 49:1932 50:1895 51:590 52:1554 54:305 55:1095 56:11 57:256 58:2208 59:1215 60:1166 61:2774 62:2930 63:1811 64:5480 65:2106 66:4675 67:3069 68:1156 69:3927 70:1146 71:631 72:2873 74:2780 75:1619 76:614 77:2731 78:1894 79:1756 80:2201 81:2055 82:3168 83:1434 84:1854 85:3442 86:1051 87:2155 88:1317 89:4358 90:774 91:8342 92:2713 93:2899 94:4024 95:4348 96:1461 97:312 98:1020 99:673 100:72 101:1154 102:3926 103:32198 104:4827 105:755 106:1033 107:2646 108:1216 109:4082 110:2229 111:3357 112:2057 113:1788 114:1965 115:2206 116:2046 117:2671 118:2893 119:1955 120:1891 121:1373 122:2752 123:2184 124:1571 125:2846 126:91 128:1601 129:956 130:1303 131:1953 132:785 133:451 134:1539 135:331 136:1306 137:1302 138:2884 139:1631 140:1578 141:1501 142:1902 143:1716 144:1088 145:504 146:2164 147:2099 148:2683 149:2864 150:1248 151:1848 152:2086 153:560 154:8132 155:1692 156:3364 157:1907 158:1301 159:2446 160:3581 161:1891 162:3728 163:2134 164:1698 165:2203 166:1472 167:1891 168:4039 169:788 170:5064 171:1010 172:4419 173:3267 174:918 175:1299 176:3664 177:4644 178:3628 179:2273 180:2621 181:4066 182:3423 183:2082 184:2114 185:21574 186:5104 187:4429 188:4220 189:4241 190:9615 191:1475 192:11247 193:9482 194:7768 195:5506 196:3292 197:3713 198:6228 199:8480 200:8183 201:6272 202:10271 203:10634 204:4547 205:3630 206:4642 207:3569 208:4273 209:5209 210:4588 211:2535 212:4530 213:3712 214:1029 215:48 216:6730 217:3129 218:1342 219:376 220:2088 221:1079 222:716 223:2358 End of report