IPv4 R&E Routing Table Report 21:10 GMT Fri 24 Jan, 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: 973265 Prefixes after maximum aggregation (per Origin AS): 371185 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 472782 Number of IPv4 prefixes with a valid ROA: 525628 Number of IPv4 prefixes with an invalid ROA: 133 Number of IPv4 prefixes with no ROA: 447504 Total ASes present in the Internet Routing Table: 76497 Prefixes per ASN: 12.72 Origin-only ASes present in the Internet Routing Table: 65573 Origin ASes announcing only one prefix: 26863 Transit ASes present in the Internet Routing Table: 10924 Transit-only ASes present in the Internet Routing Table: 531 Paths with bogon ASNs present in the IPv4 Routing Table: 25 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: 1062 Number of instances of unregistered ASNs: 1068 Number of 32-bit ASNs allocated by the RIRs: 46056 Number of 32-bit ASNs visible in the Routing Table: 37673 Prefixes from 32-bit ASNs in the Routing Table: 198814 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: 517 Number of addresses announced to Internet: 3115574272 Equivalent to 185 /8s, 179 /16s and 228 /24s Percentage of available address space announced: 84.2 Percentage of allocated address space announced: 84.2 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: 318279 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 255322 Total APNIC prefixes after maximum aggregation: 76218 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 246864 Unique aggregates announced from the APNIC address blocks: 102426 APNIC Region origin ASes present in the Internet Routing Table: 14436 APNIC Prefixes per ASN: 17.10 APNIC Region origin ASes announcing only one prefix: 4430 APNIC Region transit ASes present in the Internet Routing Table: 1921 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9949 Number of APNIC addresses announced to Internet: 755133952 Equivalent to 45 /8s, 2 /16s and 110 /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, 131072-153913 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: 287091 Total ARIN prefixes after maximum aggregation: 127073 ARIN Deaggregation factor: 2.26 Prefixes being announced from the ARIN address blocks: 288744 Unique aggregates announced from the ARIN address blocks: 134481 ARIN Region origin ASes present in the Internet Routing Table: 19212 ARIN Prefixes per ASN: 15.03 ARIN Region origin ASes announcing only one prefix: 7029 ARIN Region transit ASes present in the Internet Routing Table: 1995 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 39 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5125 Number of ARIN addresses announced to Internet: 1344946688 Equivalent to 80 /8s, 42 /16s and 66 /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: 271384 Total RIPE prefixes after maximum aggregation: 131503 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 268384 Unique aggregates announced from the RIPE address blocks: 171178 RIPE Region origin ASes present in the Internet Routing Table: 28835 RIPE Prefixes per ASN: 9.31 RIPE Region origin ASes announcing only one prefix: 12058 RIPE Region transit ASes present in the Internet Routing Table: 3955 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 35 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12213 Number of RIPE addresses announced to Internet: 733263360 Equivalent to 43 /8s, 180 /16s and 182 /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: 123926 Total LACNIC prefixes after maximum aggregation: 29016 LACNIC Deaggregation factor: 4.27 Prefixes being announced from the LACNIC address blocks: 121300 Unique aggregates announced from the LACNIC address blocks: 48865 LACNIC Region origin ASes present in the Internet Routing Table: 11187 LACNIC Prefixes per ASN: 10.84 LACNIC Region origin ASes announcing only one prefix: 2653 LACNIC Region transit ASes present in the Internet Routing Table: 2486 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9120 Number of LACNIC addresses announced to Internet: 177486848 Equivalent to 10 /8s, 148 /16s and 60 /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: 34480 Total AfriNIC prefixes after maximum aggregation: 6712 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 47455 Unique aggregates announced from the AfriNIC address blocks: 15400 AfriNIC Region origin ASes present in the Internet Routing Table: 1911 AfriNIC Prefixes per ASN: 24.83 AfriNIC Region origin ASes announcing only one prefix: 693 AfriNIC Region transit ASes present in the Internet Routing Table: 371 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: 1266 Number of AfriNIC addresses announced to Internet: 104479232 Equivalent to 6 /8s, 58 /16s and 58 /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 10337 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6203 843 663 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4211 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 4155 528 272 BBIL-AP BHARTI Airtel Ltd., IN 7552 3912 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3674 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3248 1869 99 VNPT-AS-VN VNPT Corp, VN 24560 2825 850 544 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2209 434 191 TATACOMM-AS TATA Communications formerly 45090 2171 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 12629 38859 3718 AMAZON-02, US 11492 4696 312 551 CABLEONE, US 7155 4176 287 86 VIASAT-SP-BACKBONE, US 174 4169 8762 896 COGENT-174, US 6327 3614 1320 81 SHAW, CA 22773 3589 3053 219 ASN-CXA-ALL-CCI-22773-RDC, US 749 3260 54879 2507 DNIC-AS-00749, US 16625 3011 1299 2193 AKAMAI-AS, US 396982 2907 3657 445 GOOGLE-CLOUD-PLATFORM, US 30036 2582 361 266 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 7725 1711 144 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 4013 3395 128 AKAMAI-ASN1, NL 9009 3745 321 1900 M247, RO 12389 2983 2302 889 ROSTELECOM-AS, RU 34984 2371 361 580 TELLCOM-AS, TR 212238 1904 136 1404 CDNEXT, GB 8452 1616 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1499 99 752 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 11658 3230 599 UNINET, MX 10620 3539 492 954 Telmex Colombia S.A., CO 13999 2512 539 366 Mega Cable, S.A. de C.V., MX 11830 1992 369 64 Instituto Costarricense de Electricidad y 28573 1336 2438 262 Claro NXT Telecomunicacoes Ltda, BR 3816 1329 778 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1170 374 163 Axtel, S.A.B. de C.V., MX 11664 1155 278 33 Techtel LMDS Comunicaciones Interactivas 6147 1108 371 22 Telefonica del Peru S.A.A., PE 22884 1074 98 369 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 1682 601 30 RAYA-AS, EG 24863 1648 389 18 LINKdotNET-AS, EG 29571 1546 97 106 ORANGE-COTE-IVOIRE, CI 36992 1425 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1002 521 42 Vodafone-, EG 20011 978 180 282 INTERNET-SOLUTIONS, ZA 37069 839 1083 15 MOBINIL, EG 6713 558 1861 35 IAM-AS, MA 36914 553 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 12629 38859 3718 AMAZON-02, US 8151 11658 3230 599 UNINET, MX 9808 10337 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7725 1711 144 UNI2-AS, ES 7545 6203 843 663 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4696 312 551 CABLEONE, US 18403 4211 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4176 287 86 VIASAT-SP-BACKBONE, US 174 4169 8762 896 COGENT-174, 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 11658 11059 UNINET, MX 9808 10337 10249 CHINAMOBILE-CN China Mobile Communications Grou 12479 7725 7581 UNI2-AS, ES 7545 6203 5540 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4211 4188 FPT-AS-AP FPT Telecom Company, VN 11492 4696 4145 CABLEONE, US 7155 4176 4090 VIASAT-SP-BACKBONE, US 7552 3912 3887 VIETEL-AS-AP Viettel Group, VN 20940 4013 3885 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 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 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 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 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 23.132.192.0/24 Origin: 30500 WOLFPAWSERVICES, CA 23.132.192.0/24 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 23.140.176.0/24 Origin: 40676 AS40676, US 23.140.176.0/24 Transit: 7922 COMCAST-7922, 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 /11:93 /12:309 /13:589 /14:1227 /15:2172 /16:13955 /17:8270 /18:13708 /19:24589 /20:43830 /21:51973 /22:112097 /23:100873 /24:599505 /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 7725 UNI2-AS, ES 8151 5858 11658 UNINET, MX 11492 3555 4696 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3410 3614 SHAW, CA 7155 3124 4176 VIASAT-SP-BACKBONE, US 22773 2709 3589 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2251 12629 AMAZON-02, US 30036 2241 2582 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2179 3539 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) ---------------------------------------------- 1:2295 2:1546 3:557 4:9 5:4628 6:165 7:6 8:1545 9:1 11:172 12:1386 13:352 14:2493 15:339 16:270 17:361 18:906 20:450 21:4 22:188 23:7287 24:2734 25:2 27:2744 29:19 31:3102 32:37 34:70 35:187 36:2404 37:4550 38:9078 39:895 40:151 41:4171 42:1926 43:2521 44:346 45:18203 46:4977 47:293 49:1980 50:1872 51:588 52:1572 54:307 55:1140 56:9 57:237 58:2208 59:1184 60:1161 61:2804 62:2935 63:1830 64:5493 65:2089 66:4637 67:3014 68:1198 69:4024 70:1152 71:612 72:2868 74:2779 75:1639 76:628 77:2609 78:1849 79:1726 80:2210 81:2051 82:2035 83:1430 84:1803 85:3270 86:999 87:2180 88:1276 89:4372 90:754 91:8325 92:2789 93:2900 94:3851 95:4161 96:1289 97:308 98:1012 99:736 100:71 101:1133 102:3598 103:32290 104:4638 105:754 106:1014 107:2619 108:1190 109:4071 110:2216 111:3352 112:2045 113:1791 114:1936 115:2201 116:2028 117:2748 118:2851 119:1940 120:1871 121:1355 122:2730 123:2165 124:1554 125:2855 126:93 128:1606 129:954 130:1271 131:1888 132:813 133:451 134:1515 135:324 136:1337 137:1284 138:2915 139:1590 140:1524 141:1466 142:1836 143:1597 144:1022 145:467 146:2133 147:2057 148:2598 149:2848 150:1204 151:1626 152:2093 153:571 154:8030 155:1556 156:3475 157:1876 158:1254 159:2426 160:3519 161:1793 162:3657 163:1794 164:1694 165:2156 166:1334 167:1864 168:4125 169:795 170:5074 171:1004 172:4070 173:3194 174:921 175:1271 176:3589 177:4922 178:3754 179:2191 180:2544 181:3941 182:3368 183:2046 184:2278 185:21424 186:5136 187:4372 188:4227 189:4135 190:9586 191:1559 192:11263 193:9372 194:7702 195:5457 196:3209 197:3513 198:6161 199:8271 200:8082 201:6315 202:10355 203:10596 204:4552 205:3686 206:4673 207:3608 208:4204 209:5171 210:4518 211:2513 212:4518 213:3756 214:1049 215:42 216:6600 217:3102 218:1335 219:373 220:2106 221:1054 222:718 223:2313 End of report