IPv4 R&E Routing Table Report 21:10 GMT Sun 15 May, 2022 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: 897156 Prefixes after maximum aggregation (per Origin AS): 336708 Deaggregation factor: 2.66 Unique aggregates announced (without unneeded subnets): 432065 Number of IPv4 prefixes with a valid ROA: 330699 Number of IPv4 prefixes with an invalid ROA: 2974 Number of IPv4 prefixes with no ROA: 563483 Total ASes present in the Internet Routing Table: 73170 Prefixes per ASN: 12.26 Origin-only ASes present in the Internet Routing Table: 62881 Origin ASes announcing only one prefix: 25791 Transit ASes present in the Internet Routing Table: 10289 Transit-only ASes present in the Internet Routing Table: 368 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 66 Max AS path prepend of ASN (267602) 58 Prefixes from unregistered ASNs in the Routing Table: 925 Number of instances of unregistered ASNs: 932 Number of 32-bit ASNs allocated by the RIRs: 39391 Number of 32-bit ASNs visible in the Routing Table: 32680 Prefixes from 32-bit ASNs in the Routing Table: 154357 Number of bogon 32-bit ASNs visible in the Routing Table: 42 Special use prefixes present in the Routing Table: 4 Prefixes being announced from unallocated address space: 528 Number of addresses announced to Internet: 3069431040 Equivalent to 182 /8s, 243 /16s and 205 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 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: 302797 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 235938 Total APNIC prefixes after maximum aggregation: 66455 APNIC Deaggregation factor: 3.55 Prefixes being announced from the APNIC address blocks: 231121 Unique aggregates announced from the APNIC address blocks: 94787 APNIC Region origin ASes present in the Internet Routing Table: 12634 APNIC Prefixes per ASN: 18.29 APNIC Region origin ASes announcing only one prefix: 3600 APNIC Region transit ASes present in the Internet Routing Table: 1739 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7847 Number of APNIC addresses announced to Internet: 775869696 Equivalent to 46 /8s, 62 /16s and 213 /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, 131072-151865 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: 261744 Total ARIN prefixes after maximum aggregation: 120113 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 261614 Unique aggregates announced from the ARIN address blocks: 125785 ARIN Region origin ASes present in the Internet Routing Table: 19029 ARIN Prefixes per ASN: 13.75 ARIN Region origin ASes announcing only one prefix: 6921 ARIN Region transit ASes present in the Internet Routing Table: 1921 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4491 Number of ARIN addresses announced to Internet: 1295480320 Equivalent to 77 /8s, 55 /16s and 118 /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, 393216-401308 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, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 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: 255848 Total RIPE prefixes after maximum aggregation: 116386 RIPE Deaggregation factor: 2.20 Prefixes being announced from the RIPE address blocks: 253176 Unique aggregates announced from the RIPE address blocks: 150678 RIPE Region origin ASes present in the Internet Routing Table: 28162 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12039 RIPE Region transit ASes present in the Internet Routing Table: 3937 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10722 Number of RIPE addresses announced to Internet: 713900032 Equivalent to 42 /8s, 141 /16s and 64 /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 196608-213403 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 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: 114893 Total LACNIC prefixes after maximum aggregation: 27591 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 114731 Unique aggregates announced from the LACNIC address blocks: 48599 LACNIC Region origin ASes present in the Internet Routing Table: 10957 LACNIC Prefixes per ASN: 10.47 LACNIC Region origin ASes announcing only one prefix: 2668 LACNIC Region transit ASes present in the Internet Routing Table: 2195 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 66 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8658 Number of LACNIC addresses announced to Internet: 176484608 Equivalent to 10 /8s, 132 /16s and 241 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 27808 Total AfriNIC prefixes after maximum aggregation: 5463 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 35985 Unique aggregates announced from the AfriNIC address blocks: 11763 AfriNIC Region origin ASes present in the Internet Routing Table: 1633 AfriNIC Prefixes per ASN: 22.04 AfriNIC Region origin ASes announcing only one prefix: 563 AfriNIC Region transit ASes present in the Internet Routing Table: 335 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 35 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 962 Number of AfriNIC addresses announced to Internet: 107394560 Equivalent to 6 /8s, 102 /16s and 182 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 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 9138 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5918 789 689 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4672 4192 75 ERX-CERNET-BKB China Education and Rese 7552 3584 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3498 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3429 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2406 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2252 11119 596 KIXS-AS-KR Korea Telecom, KR 45090 2169 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2119 438 203 TATACOMM-AS TATA Communications formerl 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 6392 10351 2767 AMAZON-02, US 11492 4494 298 692 CABLEONE, US 22773 3935 3074 362 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3596 1831 2542 AKAMAI-AS, US 6327 3419 1318 61 SHAW, CA 749 2882 50780 2138 DNIC-AS-00749, US 30036 2628 374 124 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2460 4961 420 CENTURYLINK-US-LEGACY-QWEST, US 20115 2250 3051 493 CHARTER-20115, 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 9121 6923 1692 17 TTNET, TR 12479 6803 1730 150 UNI2-AS, ES 8551 4007 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3958 3191 558 AKAMAI-ASN1, NL 39891 3751 216 30 ALJAWWALSTC-AS, SA 12389 2921 2273 907 ROSTELECOM-AS, RU 6849 2907 355 21 UKRTELNET, UA 9009 2483 247 1289 M247, GB 34984 2237 357 631 TELLCOM-AS, TR 58224 1813 931 611 TCI, IR 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 10601 3397 561 Uninet S.A. de C.V., MX 10620 3471 518 747 Telmex Colombia S.A., CO 11830 2433 369 63 Instituto Costarricense de Electricidad 13999 1801 299 471 Mega Cable, S.A. de C.V., MX 6503 1455 355 528 Axtel, S.A.B. de C.V., MX 28573 1390 2333 253 CLARO S.A., BR 3816 1257 671 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1079 369 21 Telefonica del Peru S.A.A., PE 11664 1017 191 441 Techtel LMDS Comunicaciones Interactiva 11172 957 133 61 Alestra, S. de R.L. 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 24863 1654 393 21 LINKdotNET-AS, EG 24835 1442 501 30 RAYA-AS, EG 36992 1313 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 947 65 59 ORANGE-COTE-IVOIRE, CI 36935 619 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 512 51 33 WANANCHI-, KE 37342 467 32 1 MOVITEL, MZ 23889 423 232 16 MauritiusTelecom, MU 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 8151 10601 3397 561 Uninet S.A. de C.V., MX 9808 9138 8879 35 CHINAMOBILE-CN China Mobile Communicati 9121 6923 1692 17 TTNET, TR 12479 6803 1730 150 UNI2-AS, ES 16509 6392 10351 2767 AMAZON-02, US 7545 5918 789 689 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4672 4192 75 ERX-CERNET-BKB China Education and Rese 11492 4494 298 692 CABLEONE, US 8551 4007 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3958 3191 558 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 9808 9138 9103 CHINAMOBILE-CN China Mobile Communications Grou 9121 6923 6906 TTNET, TR 12479 6803 6653 UNI2-AS, ES 7545 5918 5229 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4672 4597 ERX-CERNET-BKB China Education and Research Net 8551 4007 3968 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4494 3802 CABLEONE, US 39891 3751 3721 ALJAWWALSTC-AS, SA 16509 6392 3625 AMAZON-02, US 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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 395056 UNALLOCATED 8.45.133.0/24 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 100.67.0.0/20 266452 ELETROINFO TELECOMUNICACOES LTDA - ME, BR 192.88.99.0/24 6939 HURRICANE, US 198.19.224.0/24 56207 COMCLARK-PH ComClark Network & Technology Corp, 198.19.226.0/24 56207 COMCLARK-PH ComClark Network & Technology Corp, Complete listing at https://bgp.nsrc.org/REN/AARNET/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.129.40.0/24 Origin: 6461 ZAYO-6461, US 23.129.40.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res 23.129.56.0/24 Origin: 6461 ZAYO-6461, US 23.129.56.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res 23.129.136.0/24 Origin: 6461 ZAYO-6461, US 23.129.136.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res 23.131.8.0/24 Origin: 3257 GTT-BACKBONE GTT, US 23.131.8.0/24 Transit: 4637 ASN-TELSTRA-GLOBAL Telstra Global, HK 23.131.88.0/24 Origin: 3257 GTT-BACKBONE GTT, US 23.131.88.0/24 Transit: 4637 ASN-TELSTRA-GLOBAL Telstra Global, HK 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 /9:13 /10:41 /11:101 /12:307 /13:591 /14:1209 /15:2097 /16:13554 /17:8326 /18:13932 /19:25216 /20:44023 /21:52115 /22:108334 /23:96127 /24:531153 /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 9121 6042 6923 TTNET, TR 12479 5782 6803 UNI2-AS, ES 8151 4317 10601 Uninet S.A. de C.V., MX 8551 3473 4007 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3400 4494 CABLEONE, US 6327 3233 3419 SHAW, CA 39891 3067 3751 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2933 3935 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2758 2907 UKRTELNET, UA Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1924 2:1039 3:154 4:6 5:3785 6:104 7:5 8:1539 9:1 11:172 12:1713 13:295 14:2375 15:201 16:44 17:386 18:161 20:212 21:4 22:188 23:5678 24:2293 25:6 27:2650 29:19 31:2417 32:93 34:2 35:76 36:1755 37:4373 38:2821 39:693 40:153 41:3965 42:1096 43:2191 44:291 45:16061 46:4122 47:322 49:1682 50:2162 51:100 52:1426 54:366 55:671 56:8 57:60 58:1862 59:1194 60:967 61:2248 62:2549 63:1944 64:5520 65:2309 66:4871 67:2998 68:1195 69:4151 70:1329 71:680 72:3042 74:2656 75:1391 76:584 77:2179 78:3480 79:3115 80:1995 81:1696 82:1494 83:1209 84:1366 85:3537 86:715 87:1963 88:2407 89:3295 90:522 91:7630 92:2022 93:2590 94:3491 95:4520 96:1305 97:349 98:998 99:737 100:75 101:1046 102:2090 103:29111 104:4387 105:462 106:872 107:2514 108:831 109:4249 110:2024 111:3236 112:2024 113:1508 114:1496 115:2146 116:1891 117:2514 118:2345 119:1876 120:1663 121:1100 122:2558 123:2137 124:1541 125:2145 128:1254 129:1107 130:974 131:2066 132:804 133:372 134:1899 135:288 136:885 137:993 138:2454 139:1515 140:867 141:1402 142:1284 143:1440 144:1203 145:343 146:1814 147:1496 148:2251 149:1727 150:853 151:1084 152:1849 153:536 154:3469 155:1421 156:1847 157:1230 158:1042 159:2181 160:2519 161:1278 162:3465 163:1273 164:1641 165:1615 166:720 167:1729 168:3788 169:836 170:4485 171:829 172:3184 173:3124 174:1026 175:1130 176:3520 177:4616 178:3508 179:2019 180:2340 181:2983 182:3205 183:1954 184:2382 185:19519 186:4321 187:3726 188:3862 189:3257 190:8953 191:1322 192:11038 193:8628 194:7015 195:4989 196:2971 197:2436 198:6000 199:6046 200:7509 201:5720 202:10489 203:10220 204:4550 205:3445 206:3766 207:3384 208:4047 209:4672 210:4352 211:2457 212:4025 213:3446 214:1153 215:67 216:6458 217:2669 218:1267 219:549 220:1957 221:983 222:847 223:2113 End of report