IPv4 R&E Routing Table Report 21:10 GMT Tue 16 May, 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: 921118 Prefixes after maximum aggregation (per Origin AS): 348785 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 448919 Number of IPv4 prefixes with a valid ROA: 399426 Number of IPv4 prefixes with an invalid ROA: 2627 Number of IPv4 prefixes with no ROA: 519065 Total ASes present in the Internet Routing Table: 74406 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 63948 Origin ASes announcing only one prefix: 26219 Transit ASes present in the Internet Routing Table: 10458 Transit-only ASes present in the Internet Routing Table: 429 Paths with bogon ASNs present in the IPv4 Routing Table: 65 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 77 Max AS path prepend of ASN ( 37447) 75 Prefixes from unregistered ASNs in the Routing Table: 1119 Number of instances of unregistered ASNs: 1177 Number of 32-bit ASNs allocated by the RIRs: 41864 Number of 32-bit ASNs visible in the Routing Table: 34577 Prefixes from 32-bit ASNs in the Routing Table: 171473 Number of bogon 32-bit ASNs visible in the Routing Table: 156 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 627 Number of addresses announced to Internet: 3056755200 Equivalent to 182 /8s, 50 /16s and 98 /24s Percentage of available address space announced: 82.6 Percentage of allocated address space announced: 82.6 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: 307431 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243141 Total APNIC prefixes after maximum aggregation: 68829 APNIC Deaggregation factor: 3.53 Prefixes being announced from the APNIC address blocks: 237374 Unique aggregates announced from the APNIC address blocks: 98063 APNIC Region origin ASes present in the Internet Routing Table: 13411 APNIC Prefixes per ASN: 17.70 APNIC Region origin ASes announcing only one prefix: 3946 APNIC Region transit ASes present in the Internet Routing Table: 1799 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: 8728 Number of APNIC addresses announced to Internet: 773041920 Equivalent to 46 /8s, 19 /16s and 175 /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: 269534 Total ARIN prefixes after maximum aggregation: 122402 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 272234 Unique aggregates announced from the ARIN address blocks: 130267 ARIN Region origin ASes present in the Internet Routing Table: 19100 ARIN Prefixes per ASN: 14.25 ARIN Region origin ASes announcing only one prefix: 6980 ARIN Region transit ASes present in the Internet Routing Table: 1927 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: 4795 Number of ARIN addresses announced to Internet: 1280895488 Equivalent to 76 /8s, 88 /16s and 234 /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: 259777 Total RIPE prefixes after maximum aggregation: 122476 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255701 Unique aggregates announced from the RIPE address blocks: 158357 RIPE Region origin ASes present in the Internet Routing Table: 28323 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12046 RIPE Region transit ASes present in the Internet Routing Table: 3896 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: 11183 Number of RIPE addresses announced to Internet: 717989120 Equivalent to 42 /8s, 203 /16s and 165 /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: 118377 Total LACNIC prefixes after maximum aggregation: 28439 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117629 Unique aggregates announced from the LACNIC address blocks: 49332 LACNIC Region origin ASes present in the Internet Routing Table: 10993 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2632 LACNIC Region transit ASes present in the Internet Routing Table: 2296 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: 8777 Number of LACNIC addresses announced to Internet: 176771584 Equivalent to 10 /8s, 137 /16s and 82 /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: 29170 Total AfriNIC prefixes after maximum aggregation: 5834 AfriNIC Deaggregation factor: 5.00 Prefixes being announced from the AfriNIC address blocks: 37552 Unique aggregates announced from the AfriNIC address blocks: 12377 AfriNIC Region origin ASes present in the Internet Routing Table: 1746 AfriNIC Prefixes per ASN: 21.51 AfriNIC Region origin ASes announcing only one prefix: 615 AfriNIC Region transit ASes present in the Internet Routing Table: 333 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 77 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1094 Number of AfriNIC addresses announced to Internet: 107645952 Equivalent to 6 /8s, 106 /16s and 140 /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 9491 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5722 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4121 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3572 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3380 1867 88 VNPT-AS-VN VNPT Corp, VN 7552 3228 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 2961 491 241 BBIL-AP BHARTI Airtel Ltd., IN 4538 2734 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2394 836 449 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2300 11250 586 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 8302 10783 2934 AMAZON-02, US 11492 4537 300 603 CABLEONE, US 7155 4011 281 51 VIASAT-SP-BACKBONE, US 22773 3572 3068 272 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1320 64 SHAW, CA 16625 3117 1572 2362 AKAMAI-AS, US 749 3100 54980 2352 DNIC-AS-00749, US 396982 2643 3591 370 GOOGLE-CLOUD-PLATFORM, US 7018 2494 24148 1564 ATT-INTERNET4, US 30036 2494 360 468 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 7316 1707 141 UNI2-AS, ES 39891 4765 282 59 ALJAWWALSTC-AS, SA 20940 4105 3399 165 AKAMAI-ASN1, NL 8551 3881 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2924 2292 910 ROSTELECOM-AS, RU 9009 2723 252 1405 M247, RO 34984 2273 359 607 TELLCOM-AS, TR 6849 2017 307 17 UKRTELNET, UA 58224 1850 949 534 TCI, IR 13188 1607 100 18 TRIOLAN, UA 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 11277 3328 601 Uninet S.A. de C.V., MX 10620 3517 508 854 Telmex Colombia S.A., CO 13999 2344 361 622 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1330 2323 240 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 339 515 Axtel, S.A.B. de C.V., MX 3816 1293 760 170 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1134 370 22 Telefonica del Peru S.A.A., PE 11664 1098 180 443 Techtel LMDS Comunicaciones Interactiva 26615 1035 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 1603 393 19 LINKdotNET-AS, EG 24835 1460 517 28 RAYA-AS, EG 36992 1329 1518 276 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1028 67 47 ORANGE-COTE-IVOIRE, CI 36935 875 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 520 54 47 WANANCHI-, KE 24757 492 73 5 EthioNet-AS, ET 37342 489 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 11277 3328 601 Uninet S.A. de C.V., MX 9808 9491 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8302 10783 2934 AMAZON-02, US 12479 7316 1707 141 UNI2-AS, ES 7545 5722 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4765 282 59 ALJAWWALSTC-AS, SA 11492 4537 300 603 CABLEONE, US 18403 4121 347 25 FPT-AS-AP FPT Telecom Company, VN 20940 4105 3399 165 AKAMAI-ASN1, NL 7155 4011 281 51 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 9491 9454 CHINAMOBILE-CN China Mobile Communications Grou 12479 7316 7175 UNI2-AS, ES 16509 8302 5368 AMAZON-02, US 7545 5722 5032 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4765 4706 ALJAWWALSTC-AS, SA 18403 4121 4096 FPT-AS-AP FPT Telecom Company, VN 7155 4011 3960 VIASAT-SP-BACKBONE, US 20940 4105 3940 AKAMAI-ASN1, NL 11492 4537 3934 CABLEONE, US 8551 3881 3844 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 23.153.56.0/24 Origin: 35008 KERFUFFLE Kerfuffle, GB 23.153.56.0/24 Transit: 6939 HURRICANE, 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 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 /11:104 /12:301 /13:580 /14:1197 /15:2085 /16:13464 /17:8201 /18:13790 /19:24958 /20:43656 /21:51224 /22:109543 /23:98231 /24:553714 /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 6380 7316 UNI2-AS, ES 8151 5245 11277 Uninet S.A. de C.V., MX 39891 3628 4765 ALJAWWALSTC-AS, SA 11492 3445 4537 CABLEONE, US 8551 3353 3881 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3334 3524 SHAW, CA 7155 3069 4011 VIASAT-SP-BACKBONE, US 22773 2640 3572 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2150 2494 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2070 3517 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) ---------------------------------------------- 1:2127 2:1307 3:175 4:5 5:4547 6:130 7:6 8:1530 9:1 11:172 12:1535 13:385 14:2307 15:300 16:188 17:372 18:422 20:258 21:4 22:188 23:6252 24:2602 25:6 27:2546 29:19 31:2489 32:76 34:13 35:108 36:1953 37:4695 38:4617 39:843 40:151 41:3894 42:1957 43:2354 44:307 45:16556 46:4302 47:362 49:1738 50:1842 51:570 52:1600 54:393 55:761 56:8 57:118 58:1879 59:1151 60:990 61:2485 62:2639 63:1920 64:5691 65:2322 66:5037 67:3019 68:1346 69:4098 70:1250 71:678 72:2987 74:2617 75:1556 76:608 77:2451 78:1819 79:3172 80:2127 81:1779 82:1499 83:1276 84:1527 85:2986 86:768 87:2025 88:1165 89:3619 90:619 91:7734 92:2064 93:2623 94:3627 95:4032 96:1309 97:336 98:1151 99:745 100:74 101:1073 102:2719 103:31418 104:4666 105:488 106:867 107:2514 108:1042 109:4423 110:2106 111:3106 112:2031 113:1718 114:1646 115:2036 116:1889 117:2543 118:2605 119:2021 120:1797 121:1095 122:2608 123:2169 124:1561 125:2490 128:1421 129:1022 130:1028 131:1994 132:846 133:422 134:1927 135:306 136:877 137:1090 138:2579 139:1555 140:1237 141:1401 142:1444 143:1507 144:1163 145:346 146:1941 147:1587 148:2375 149:2223 150:883 151:1158 152:1821 153:565 154:4424 155:1443 156:1818 157:1308 158:1070 159:2259 160:2545 161:1547 162:3515 163:1578 164:1624 165:1755 166:1068 167:1725 168:3877 169:937 170:4567 171:857 172:3555 173:2928 174:1075 175:1187 176:3702 177:4606 178:3593 179:2166 180:2627 181:3484 182:3353 183:2105 184:2347 185:20259 186:4749 187:4023 188:4088 189:3589 190:9166 191:1454 192:10934 193:8877 194:7306 195:5147 196:3105 197:2374 198:5961 199:6101 200:8059 201:5908 202:10612 203:10342 204:4569 205:3696 206:4306 207:3441 208:4096 209:4862 210:4370 211:2451 212:4157 213:3627 214:1095 215:59 216:6658 217:2700 218:1312 219:471 220:1998 221:978 222:780 223:2149 End of report