IPv4 R&E Routing Table Report 21:10 GMT Sat 02 Sep, 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: 925951 Prefixes after maximum aggregation (per Origin AS): 351645 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 452704 Number of IPv4 prefixes with a valid ROA: 418343 Number of IPv4 prefixes with an invalid ROA: 2398 Number of IPv4 prefixes with no ROA: 505210 Total ASes present in the Internet Routing Table: 74724 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64241 Origin ASes announcing only one prefix: 26306 Transit ASes present in the Internet Routing Table: 10483 Transit-only ASes present in the Internet Routing Table: 457 Paths with bogon ASNs present in the IPv4 Routing Table: 61 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 131 Max AS path prepend of ASN ( 37447) 129 Prefixes from unregistered ASNs in the Routing Table: 1037 Number of instances of unregistered ASNs: 1054 Number of 32-bit ASNs allocated by the RIRs: 42572 Number of 32-bit ASNs visible in the Routing Table: 35018 Prefixes from 32-bit ASNs in the Routing Table: 174601 Number of bogon 32-bit ASNs visible in the Routing Table: 91 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 545 Number of addresses announced to Internet: 3055566336 Equivalent to 182 /8s, 32 /16s and 62 /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: 99.5 Total number of prefixes smaller than registry allocations: 308141 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244540 Total APNIC prefixes after maximum aggregation: 69875 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 238255 Unique aggregates announced from the APNIC address blocks: 98711 APNIC Region origin ASes present in the Internet Routing Table: 13564 APNIC Prefixes per ASN: 17.57 APNIC Region origin ASes announcing only one prefix: 4012 APNIC Region transit ASes present in the Internet Routing Table: 1814 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8920 Number of APNIC addresses announced to Internet: 772436480 Equivalent to 46 /8s, 10 /16s and 114 /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: 272065 Total ARIN prefixes after maximum aggregation: 123852 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 274282 Unique aggregates announced from the ARIN address blocks: 131309 ARIN Region origin ASes present in the Internet Routing Table: 19093 ARIN Prefixes per ASN: 14.37 ARIN Region origin ASes announcing only one prefix: 6952 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: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4822 Number of ARIN addresses announced to Internet: 1279502848 Equivalent to 76 /8s, 67 /16s and 170 /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: 259973 Total RIPE prefixes after maximum aggregation: 122733 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256643 Unique aggregates announced from the RIPE address blocks: 160096 RIPE Region origin ASes present in the Internet Routing Table: 28396 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12035 RIPE Region transit ASes present in the Internet Routing Table: 3897 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11307 Number of RIPE addresses announced to Internet: 716790784 Equivalent to 42 /8s, 185 /16s and 92 /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, 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: 118539 Total LACNIC prefixes after maximum aggregation: 28524 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117570 Unique aggregates announced from the LACNIC address blocks: 49267 LACNIC Region origin ASes present in the Internet Routing Table: 11024 LACNIC Prefixes per ASN: 10.66 LACNIC Region origin ASes announcing only one prefix: 2686 LACNIC Region transit ASes present in the Internet Routing Table: 2318 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 32 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8838 Number of LACNIC addresses announced to Internet: 178599168 Equivalent to 10 /8s, 165 /16s and 53 /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: 29797 Total AfriNIC prefixes after maximum aggregation: 5946 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 38655 Unique aggregates announced from the AfriNIC address blocks: 12869 AfriNIC Region origin ASes present in the Internet Routing Table: 1787 AfriNIC Prefixes per ASN: 21.63 AfriNIC Region origin ASes announcing only one prefix: 621 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: 131 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1131 Number of AfriNIC addresses announced to Internet: 107799808 Equivalent to 6 /8s, 108 /16s and 229 /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 9498 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5724 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4349 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3595 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3323 1835 91 VNPT-AS-VN VNPT Corp, VN 9498 3124 498 251 BBIL-AP BHARTI Airtel Ltd., IN 4538 2947 4192 73 ERX-CERNET-BKB China Education and Rese 7552 2935 1330 20 VIETEL-AS-AP Viettel Group, VN 24560 2490 847 397 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11270 590 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 9000 10980 3259 AMAZON-02, US 11492 4524 300 649 CABLEONE, US 7155 4179 288 101 VIASAT-SP-BACKBONE, US 22773 3563 3073 312 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3533 1319 66 SHAW, CA 749 3146 54960 2398 DNIC-AS-00749, US 16625 3038 1463 2292 AKAMAI-AS, US 367 2962 3833 1393 DNIC-ASBLK-00306-00371, US 396982 2687 3596 387 GOOGLE-CLOUD-PLATFORM, US 30036 2499 358 369 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 7346 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4095 3398 152 AKAMAI-ASN1, NL 8551 3460 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2971 2298 919 ROSTELECOM-AS, RU 9009 2679 248 1379 M247, RO 34984 2329 362 597 TELLCOM-AS, TR 58224 1749 933 521 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1504 101 1169 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 11716 3363 596 UNINET, MX 10620 3537 506 849 Telmex Colombia S.A., CO 13999 2442 363 642 Mega Cable, S.A. de C.V., MX 11830 1996 369 64 Instituto Costarricense de Electricidad 28573 1317 2324 232 Claro NXT Telecomunicacoes Ltda, BR 6503 1303 344 511 Axtel, S.A.B. de C.V., MX 3816 1295 764 191 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1121 182 434 Techtel LMDS Comunicaciones Interactiva 6147 1113 370 22 Telefonica del Peru S.A.A., PE 26615 1027 2501 49 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 1593 393 19 LINKdotNET-AS, EG 24835 1457 497 26 RAYA-AS, EG 36992 1356 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1046 67 45 ORANGE-COTE-IVOIRE, CI 36935 781 520 36 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 522 55 49 WANANCHI-, KE 37342 465 32 1 MOVITEL, MZ 24757 462 73 5 EthioNet-AS, ET 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 11716 3363 596 UNINET, MX 9808 9498 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9000 10980 3259 AMAZON-02, US 12479 7346 1713 145 UNI2-AS, ES 7545 5724 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4524 300 649 CABLEONE, US 18403 4349 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4179 288 101 VIASAT-SP-BACKBONE, US 20940 4095 3398 152 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 9498 9458 CHINAMOBILE-CN China Mobile Communications Grou 12479 7346 7201 UNI2-AS, ES 16509 9000 5741 AMAZON-02, US 7545 5724 5037 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4349 4324 FPT-AS-AP FPT Telecom Company, VN 7155 4179 4078 VIASAT-SP-BACKBONE, US 20940 4095 3943 AKAMAI-ASN1, NL 11492 4524 3875 CABLEONE, US 7713 3595 3532 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID 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 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 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, 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 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 23.140.216.0/24 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 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 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 /11:102 /12:298 /13:579 /14:1195 /15:2100 /16:13502 /17:8263 /18:13818 /19:24999 /20:43990 /21:51104 /22:109703 /23:99125 /24:557103 /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 6432 7346 UNI2-AS, ES 8151 5752 11716 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3434 4524 CABLEONE, US 6327 3345 3533 SHAW, CA 7155 3124 4179 VIASAT-SP-BACKBONE, US 8551 2928 3460 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2607 3563 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2157 2499 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2100 3537 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) ---------------------------------------------- 1:2221 2:1399 3:253 4:5 5:4556 6:137 7:6 8:1528 9:1 11:172 12:1510 13:370 14:2306 15:302 16:196 17:368 18:633 20:281 21:4 22:188 23:6399 24:2497 25:6 27:2580 29:19 31:2530 32:77 34:25 35:116 36:1983 37:4533 38:5151 39:870 40:147 41:4003 42:2104 43:2265 44:321 45:16604 46:4247 47:386 49:1787 50:1860 51:595 52:1597 54:391 55:963 56:8 57:123 58:1874 59:1165 60:999 61:2513 62:2689 63:1923 64:5593 65:2321 66:4941 67:3029 68:1341 69:4136 70:1192 71:666 72:2963 74:2617 75:1565 76:623 77:2335 78:1834 79:2986 80:2113 81:1827 82:1473 83:1283 84:1515 85:2974 86:749 87:2000 88:1177 89:3840 90:617 91:7815 92:2068 93:2629 94:3527 95:4009 96:1296 97:321 98:1078 99:734 100:91 101:1320 102:2928 103:32086 104:4596 105:559 106:881 107:2599 108:1139 109:4231 110:2122 111:3128 112:2064 113:1741 114:1682 115:2039 116:1895 117:2440 118:2702 119:2004 120:1789 121:1127 122:2586 123:2156 124:1573 125:2517 128:1481 129:926 130:1039 131:1963 132:861 133:418 134:1793 135:308 136:911 137:1120 138:2649 139:1574 140:1199 141:1293 142:1489 143:1481 144:997 145:346 146:1953 147:1609 148:2462 149:2178 150:872 151:1234 152:1874 153:578 154:4908 155:1392 156:1951 157:1338 158:1082 159:2232 160:2581 161:1592 162:3522 163:1598 164:1712 165:1837 166:1020 167:1734 168:3729 169:910 170:4659 171:860 172:3691 173:2960 174:987 175:1197 176:3790 177:4430 178:3549 179:2106 180:2500 181:3454 182:3313 183:1991 184:2287 185:20539 186:4734 187:4157 188:4140 189:3779 190:9261 191:1351 192:10957 193:8954 194:7266 195:5198 196:3115 197:2440 198:5997 199:6116 200:7955 201:6030 202:10498 203:10150 204:4548 205:3672 206:4328 207:3473 208:4147 209:4947 210:4425 211:2482 212:4227 213:3431 214:1090 215:59 216:6697 217:2769 218:1298 219:466 220:2034 221:981 222:759 223:2145 End of report