IPv4 R&E Routing Table Report 21:10 GMT Sun 23 Feb, 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: 974732 Prefixes after maximum aggregation (per Origin AS): 372655 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 475553 Number of IPv4 prefixes with a valid ROA: 532722 Number of IPv4 prefixes with an invalid ROA: 138 Number of IPv4 prefixes with no ROA: 441872 Total ASes present in the Internet Routing Table: 76593 Prefixes per ASN: 12.73 Origin-only ASes present in the Internet Routing Table: 65655 Origin ASes announcing only one prefix: 26879 Transit ASes present in the Internet Routing Table: 10938 Transit-only ASes present in the Internet Routing Table: 544 Paths with bogon ASNs present in the IPv4 Routing Table: 40 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: 1055 Number of instances of unregistered ASNs: 1074 Number of 32-bit ASNs allocated by the RIRs: 46189 Number of 32-bit ASNs visible in the Routing Table: 37845 Prefixes from 32-bit ASNs in the Routing Table: 199072 Number of bogon 32-bit ASNs visible in the Routing Table: 62 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 507 Number of addresses announced to Internet: 3112810752 Equivalent to 185 /8s, 137 /16s and 185 /24s Percentage of available address space announced: 84.1 Percentage of allocated address space announced: 84.1 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: 319426 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 255115 Total APNIC prefixes after maximum aggregation: 76060 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 247148 Unique aggregates announced from the APNIC address blocks: 102553 APNIC Region origin ASes present in the Internet Routing Table: 14494 APNIC Prefixes per ASN: 17.05 APNIC Region origin ASes announcing only one prefix: 4445 APNIC Region transit ASes present in the Internet Routing Table: 1940 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: 10007 Number of APNIC addresses announced to Internet: 753270272 Equivalent to 44 /8s, 229 /16s and 254 /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: 287797 Total ARIN prefixes after maximum aggregation: 127677 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 289621 Unique aggregates announced from the ARIN address blocks: 136001 ARIN Region origin ASes present in the Internet Routing Table: 19230 ARIN Prefixes per ASN: 15.06 ARIN Region origin ASes announcing only one prefix: 7024 ARIN Region transit ASes present in the Internet Routing Table: 1996 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: 5161 Number of ARIN addresses announced to Internet: 1348538880 Equivalent to 80 /8s, 97 /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: 272455 Total RIPE prefixes after maximum aggregation: 132329 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 269872 Unique aggregates announced from the RIPE address blocks: 172750 RIPE Region origin ASes present in the Internet Routing Table: 28842 RIPE Prefixes per ASN: 9.36 RIPE Region origin ASes announcing only one prefix: 12046 RIPE Region transit ASes present in the Internet Routing Table: 3963 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12270 Number of RIPE addresses announced to Internet: 732303872 Equivalent to 43 /8s, 166 /16s and 18 /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: 123330 Total LACNIC prefixes after maximum aggregation: 29123 LACNIC Deaggregation factor: 4.23 Prefixes being announced from the LACNIC address blocks: 120286 Unique aggregates announced from the LACNIC address blocks: 48872 LACNIC Region origin ASes present in the Internet Routing Table: 11198 LACNIC Prefixes per ASN: 10.74 LACNIC Region origin ASes announcing only one prefix: 2671 LACNIC Region transit ASes present in the Internet Routing Table: 2473 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: 9139 Number of LACNIC addresses announced to Internet: 173827072 Equivalent to 10 /8s, 92 /16s and 100 /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: 34980 Total AfriNIC prefixes after maximum aggregation: 6808 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 47297 Unique aggregates announced from the AfriNIC address blocks: 14953 AfriNIC Region origin ASes present in the Internet Routing Table: 1911 AfriNIC Prefixes per ASN: 24.75 AfriNIC Region origin ASes announcing only one prefix: 693 AfriNIC Region transit ASes present in the Internet Routing Table: 374 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: 1268 Number of AfriNIC addresses announced to Internet: 104606208 Equivalent to 6 /8s, 60 /16s and 42 /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 10335 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6213 844 662 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4313 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4215 530 273 BBIL-AP BHARTI Airtel Ltd., IN 7552 3919 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3669 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3256 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2842 854 529 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 45090 2171 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 4766 2146 11521 612 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 12799 39191 3792 AMAZON-02, US 11492 4705 312 562 CABLEONE, US 7155 4175 286 83 VIASAT-SP-BACKBONE, US 6327 3622 1320 81 SHAW, CA 22773 3589 3054 220 ASN-CXA-ALL-CCI-22773-RDC, US 174 3476 8763 931 COGENT-174, US 749 3259 54879 2506 DNIC-AS-00749, US 16625 3044 1311 2203 AKAMAI-AS, US 396982 2930 3660 449 GOOGLE-CLOUD-PLATFORM, US 30036 2599 363 268 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 4003 3395 130 AKAMAI-ASN1, NL 9009 3733 320 1918 M247, RO 12389 2994 2303 893 ROSTELECOM-AS, RU 34984 2368 361 580 TELLCOM-AS, TR 212238 2017 147 1490 CDNEXT, GB 8452 1624 1852 14 TE-AS TE-AS, EG 13188 1606 100 34 TRIOLAN, UA 62240 1498 99 749 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 11765 3231 595 UNINET, MX 10620 3545 492 952 Telmex Colombia S.A., CO 13999 2515 541 366 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 1329 777 211 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 11664 1159 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1155 371 22 Telefonica del Peru S.A.A., PE 6503 1127 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 1644 389 16 LINKdotNET-AS, EG 29571 1559 98 102 ORANGE-COTE-IVOIRE, CI 36992 1426 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1013 523 45 Vodafone-, EG 20011 980 183 284 INTERNET-SOLUTIONS, ZA 37069 847 1083 15 MOBINIL, EG 6713 553 1861 34 IAM-AS, MA 36914 536 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 12799 39191 3792 AMAZON-02, US 8151 11765 3231 595 UNINET, MX 9808 10335 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7770 1714 145 UNI2-AS, ES 7545 6213 844 662 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4705 312 562 CABLEONE, US 18403 4313 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 11765 11170 UNINET, MX 9808 10335 10247 CHINAMOBILE-CN China Mobile Communications Grou 12479 7770 7625 UNI2-AS, ES 7545 6213 5551 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4313 4288 FPT-AS-AP FPT Telecom Company, VN 11492 4705 4143 CABLEONE, US 7155 4175 4092 VIASAT-SP-BACKBONE, US 9498 4215 3942 BBIL-AP BHARTI Airtel Ltd., IN 7552 3919 3894 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 400866 UNALLOCATED 2.59.148.0/23 21859 ZEN-ECN, US 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 23.140.16.0/24 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 /12:307 /13:587 /14:1224 /15:2165 /16:13945 /17:8303 /18:13709 /19:24573 /20:43869 /21:51922 /22:112211 /23:100955 /24:600795 /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 6723 7770 UNI2-AS, ES 8151 5969 11765 UNINET, MX 11492 3556 4705 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3418 3622 SHAW, CA 7155 3121 4175 VIASAT-SP-BACKBONE, US 22773 2708 3589 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2285 12799 AMAZON-02, US 30036 2257 2599 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2185 3545 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) ---------------------------------------------- 1:2294 2:1519 3:571 4:10 5:4525 6:165 7:6 8:1548 9:1 11:172 12:1380 13:349 14:2508 15:347 16:274 17:357 18:917 20:450 21:4 22:188 23:7343 24:2727 25:2 27:2744 29:19 31:3153 32:35 34:78 35:204 36:2405 37:4604 38:8620 39:896 40:153 41:4178 42:1952 43:2528 44:352 45:18257 46:4996 47:291 49:1957 50:1887 51:589 52:1570 54:300 55:1087 56:9 57:243 58:2219 59:1192 60:1167 61:2785 62:2948 63:1828 64:5512 65:2140 66:4637 67:3031 68:1154 69:3973 70:1158 71:617 72:2880 74:2782 75:1649 76:611 77:2665 78:1873 79:1725 80:2207 81:2015 82:2636 83:1410 84:1797 85:3354 86:1022 87:2169 88:1316 89:4308 90:762 91:8321 92:2809 93:2861 94:3913 95:4252 96:1364 97:318 98:1003 99:742 100:71 101:1139 102:3676 103:32273 104:4812 105:756 106:990 107:2608 108:1203 109:4089 110:2223 111:3308 112:2047 113:1792 114:1938 115:2163 116:2040 117:2752 118:2883 119:1957 120:1875 121:1360 122:2755 123:2175 124:1562 125:2870 126:94 128:1594 129:954 130:1285 131:1854 132:794 133:450 134:1529 135:325 136:1324 137:1292 138:2887 139:1627 140:1560 141:1473 142:1828 143:1600 144:1049 145:468 146:2135 147:2069 148:2578 149:2867 150:1228 151:1696 152:2109 153:571 154:7565 155:1605 156:3126 157:1897 158:1251 159:2430 160:3539 161:1891 162:3694 163:1847 164:1691 165:2185 166:1351 167:1881 168:4068 169:797 170:5067 171:1005 172:4362 173:3241 174:923 175:1270 176:3619 177:4708 178:3769 179:2229 180:2577 181:4002 182:3371 183:2067 184:2308 185:21486 186:5105 187:4309 188:4210 189:4182 190:9627 191:1526 192:11181 193:9386 194:7749 195:5480 196:3284 197:3638 198:6184 199:8340 200:8155 201:6296 202:10379 203:10611 204:4563 205:3699 206:4630 207:3579 208:4200 209:5187 210:4566 211:2521 212:4514 213:3747 214:1056 215:42 216:6564 217:3107 218:1337 219:373 220:2111 221:1055 222:717 223:2317 End of report