IPv4 R&E Routing Table Report 21:10 GMT Thu 01 Jun, 2023 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: 922642 Prefixes after maximum aggregation (per Origin AS): 349383 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 450234 Number of IPv4 prefixes with a valid ROA: 405839 Number of IPv4 prefixes with an invalid ROA: 2554 Number of IPv4 prefixes with no ROA: 514249 Total ASes present in the Internet Routing Table: 74435 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 63996 Origin ASes announcing only one prefix: 26235 Transit ASes present in the Internet Routing Table: 10439 Transit-only ASes present in the Internet Routing Table: 422 Paths with bogon ASNs present in the IPv4 Routing Table: 67 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 130 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1085 Number of instances of unregistered ASNs: 1151 Number of 32-bit ASNs allocated by the RIRs: 41995 Number of 32-bit ASNs visible in the Routing Table: 34619 Prefixes from 32-bit ASNs in the Routing Table: 172359 Number of bogon 32-bit ASNs visible in the Routing Table: 175 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 579 Number of addresses announced to Internet: 3055419392 Equivalent to 182 /8s, 30 /16s and 0 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 308009 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243433 Total APNIC prefixes after maximum aggregation: 69003 APNIC Deaggregation factor: 3.53 Prefixes being announced from the APNIC address blocks: 237433 Unique aggregates announced from the APNIC address blocks: 98271 APNIC Region origin ASes present in the Internet Routing Table: 13425 APNIC Prefixes per ASN: 17.69 APNIC Region origin ASes announcing only one prefix: 3960 APNIC Region transit ASes present in the Internet Routing Table: 1796 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8740 Number of APNIC addresses announced to Internet: 773060864 Equivalent to 46 /8s, 19 /16s and 249 /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: 269734 Total ARIN prefixes after maximum aggregation: 122580 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 272534 Unique aggregates announced from the ARIN address blocks: 130486 ARIN Region origin ASes present in the Internet Routing Table: 19115 ARIN Prefixes per ASN: 14.26 ARIN Region origin ASes announcing only one prefix: 6978 ARIN Region transit ASes present in the Internet Routing Table: 1931 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4802 Number of ARIN addresses announced to Internet: 1280145152 Equivalent to 76 /8s, 77 /16s and 119 /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: 260288 Total RIPE prefixes after maximum aggregation: 122662 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256184 Unique aggregates announced from the RIPE address blocks: 158934 RIPE Region origin ASes present in the Internet Routing Table: 28328 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12051 RIPE Region transit ASes present in the Internet Routing Table: 3903 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11194 Number of RIPE addresses announced to Internet: 717879296 Equivalent to 42 /8s, 201 /16s and 248 /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: 118823 Total LACNIC prefixes after maximum aggregation: 28521 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117994 Unique aggregates announced from the LACNIC address blocks: 49548 LACNIC Region origin ASes present in the Internet Routing Table: 11006 LACNIC Prefixes per ASN: 10.72 LACNIC Region origin ASes announcing only one prefix: 2633 LACNIC Region transit ASes present in the Internet Routing Table: 2282 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8787 Number of LACNIC addresses announced to Internet: 177039104 Equivalent to 10 /8s, 141 /16s and 103 /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: 29279 Total AfriNIC prefixes after maximum aggregation: 5834 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 37917 Unique aggregates announced from the AfriNIC address blocks: 12520 AfriNIC Region origin ASes present in the Internet Routing Table: 1748 AfriNIC Prefixes per ASN: 21.69 AfriNIC Region origin ASes announcing only one prefix: 613 AfriNIC Region transit ASes present in the Internet Routing Table: 335 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 130 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1096 Number of AfriNIC addresses announced to Internet: 106898944 Equivalent to 6 /8s, 95 /16s and 38 /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 9496 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5723 784 693 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4205 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3539 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3372 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3364 1851 90 VNPT-AS-VN VNPT Corp, VN 9498 2984 496 239 BBIL-AP BHARTI Airtel Ltd., IN 4538 2728 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2405 837 443 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2297 11252 587 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 8353 10793 2967 AMAZON-02, US 11492 4523 300 607 CABLEONE, US 7155 4052 282 62 VIASAT-SP-BACKBONE, US 22773 3571 3068 271 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3522 1319 66 SHAW, CA 749 3100 54980 2352 DNIC-AS-00749, US 16625 3076 1542 2326 AKAMAI-AS, US 396982 2659 3593 374 GOOGLE-CLOUD-PLATFORM, US 30036 2503 360 423 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2464 24004 1545 ATT-INTERNET4, 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 7303 1707 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4087 3398 162 AKAMAI-ASN1, NL 8551 3879 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2927 2291 910 ROSTELECOM-AS, RU 9009 2664 248 1387 M247, RO 34984 2278 360 601 TELLCOM-AS, TR 6849 1957 307 17 UKRTELNET, UA 58224 1826 945 533 TCI, IR 61317 1637 109 1268 ASDETUK www.heficed.com, US 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 11341 3355 603 Uninet S.A. de C.V., MX 10620 3520 508 857 Telmex Colombia S.A., CO 13999 2367 364 629 Mega Cable, S.A. de C.V., MX 11830 2269 369 64 Instituto Costarricense de Electricidad 28573 1331 2324 238 Claro NXT Telecomunicacoes Ltda, BR 6503 1303 343 512 Axtel, S.A.B. de C.V., MX 3816 1295 762 171 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1134 370 22 Telefonica del Peru S.A.A., PE 11664 1101 180 439 Techtel LMDS Comunicaciones Interactiva 26615 1027 2498 45 TIM SA, BR 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 1573 393 19 LINKdotNET-AS, EG 24835 1538 533 29 RAYA-AS, EG 36992 1341 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1034 67 47 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 520 54 47 WANANCHI-, KE 24757 492 73 5 EthioNet-AS, ET 37342 482 32 1 MOVITEL, MZ 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 11341 3355 603 Uninet S.A. de C.V., MX 9808 9496 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8353 10793 2967 AMAZON-02, US 12479 7303 1707 141 UNI2-AS, ES 7545 5723 784 693 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4523 300 607 CABLEONE, US 18403 4205 347 25 FPT-AS-AP FPT Telecom Company, VN 20940 4087 3398 162 AKAMAI-ASN1, NL 7155 4052 282 62 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 9808 9496 9459 CHINAMOBILE-CN China Mobile Communications Grou 12479 7303 7162 UNI2-AS, ES 16509 8353 5386 AMAZON-02, US 7545 5723 5030 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4205 4180 FPT-AS-AP FPT Telecom Company, VN 7155 4052 3990 VIASAT-SP-BACKBONE, US 20940 4087 3925 AKAMAI-ASN1, NL 11492 4523 3916 CABLEONE, US 8551 3879 3845 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 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 3507 UNALLOCATED 2.57.241.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.49.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.69.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.206.0/24 213035 AS-SERVERION Serverion B.V., 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 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 100.96.100.0/24 57681 ASN-MGTS-USPD2, RU 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 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 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 /9:14 /10:39 /11:103 /12:301 /13:582 /14:1196 /15:2097 /16:13470 /17:8209 /18:13808 /19:24955 /20:43504 /21:51360 /22:109617 /23:98279 /24:555091 /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 6387 7303 UNI2-AS, ES 8151 5304 11341 Uninet S.A. de C.V., MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3432 4523 CABLEONE, US 8551 3352 3879 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3333 3522 SHAW, CA 7155 3067 4052 VIASAT-SP-BACKBONE, US 22773 2636 3571 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2159 2503 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2073 3520 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) ---------------------------------------------- 1:2142 2:1241 3:180 4:5 5:4538 6:130 7:6 8:1527 9:1 11:172 12:1535 13:387 14:2301 15:304 16:193 17:373 18:435 20:263 21:4 22:188 23:6297 24:2599 25:6 27:2546 29:19 31:2499 32:79 34:21 35:111 36:1956 37:4658 38:4732 39:845 40:151 41:3919 42:1980 43:2357 44:307 45:16525 46:4307 47:375 49:1733 50:1871 51:585 52:1591 54:393 55:844 56:8 57:118 58:1886 59:1105 60:990 61:2516 62:2653 63:1921 64:5689 65:2306 66:5030 67:2938 68:1344 69:4130 70:1206 71:678 72:2995 74:2619 75:1560 76:609 77:2430 78:1825 79:3190 80:2131 81:1787 82:1488 83:1261 84:1537 85:3011 86:772 87:2030 88:1180 89:3686 90:616 91:7756 92:2069 93:2616 94:3617 95:4043 96:1302 97:336 98:1138 99:745 100:70 101:1083 102:2763 103:31484 104:4615 105:504 106:864 107:2587 108:1045 109:4409 110:2092 111:3117 112:2032 113:1731 114:1644 115:2055 116:1881 117:2517 118:2624 119:2016 120:1801 121:1097 122:2600 123:2156 124:1561 125:2488 128:1497 129:1055 130:1013 131:1989 132:859 133:420 134:1889 135:306 136:884 137:1098 138:2580 139:1552 140:1244 141:1414 142:1454 143:1516 144:1152 145:347 146:1957 147:1594 148:2427 149:2242 150:886 151:1154 152:1817 153:566 154:4572 155:1446 156:1825 157:1324 158:1067 159:2234 160:2552 161:1557 162:3519 163:1577 164:1623 165:1799 166:1119 167:1751 168:3866 169:947 170:4584 171:885 172:3584 173:2961 174:1044 175:1184 176:3708 177:4656 178:3583 179:2261 180:2569 181:3491 182:3357 183:2085 184:2337 185:20306 186:4821 187:4012 188:4096 189:3678 190:9189 191:1448 192:10943 193:8874 194:7312 195:5154 196:3162 197:2377 198:5968 199:6107 200:8049 201:5906 202:10629 203:10319 204:4571 205:3688 206:4295 207:3457 208:4105 209:4906 210:4368 211:2469 212:4172 213:3635 214:1074 215:59 216:6660 217:2720 218:1304 219:473 220:1998 221:972 222:751 223:2151 End of report