IPv4 R&E Routing Table Report 21:10 GMT Sun 08 Oct, 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: 931059 Prefixes after maximum aggregation (per Origin AS): 353290 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 453573 Number of IPv4 prefixes with a valid ROA: 424687 Number of IPv4 prefixes with an invalid ROA: 2452 Number of IPv4 prefixes with no ROA: 503920 Total ASes present in the Internet Routing Table: 74891 Prefixes per ASN: 12.43 Origin-only ASes present in the Internet Routing Table: 64360 Origin ASes announcing only one prefix: 26442 Transit ASes present in the Internet Routing Table: 10531 Transit-only ASes present in the Internet Routing Table: 459 Paths with bogon ASNs present in the IPv4 Routing Table: 63 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 102 Max AS path prepend of ASN (211389) 100 Prefixes from unregistered ASNs in the Routing Table: 1022 Number of instances of unregistered ASNs: 1057 Number of 32-bit ASNs allocated by the RIRs: 42802 Number of 32-bit ASNs visible in the Routing Table: 35212 Prefixes from 32-bit ASNs in the Routing Table: 176005 Number of bogon 32-bit ASNs visible in the Routing Table: 111 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 522 Number of addresses announced to Internet: 3052457472 Equivalent to 181 /8s, 240 /16s and 206 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 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: 310079 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 245318 Total APNIC prefixes after maximum aggregation: 70386 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 238892 Unique aggregates announced from the APNIC address blocks: 99004 APNIC Region origin ASes present in the Internet Routing Table: 13651 APNIC Prefixes per ASN: 17.50 APNIC Region origin ASes announcing only one prefix: 4082 APNIC Region transit ASes present in the Internet Routing Table: 1821 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9009 Number of APNIC addresses announced to Internet: 772463104 Equivalent to 46 /8s, 10 /16s and 218 /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: 273583 Total ARIN prefixes after maximum aggregation: 123730 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 277215 Unique aggregates announced from the ARIN address blocks: 131916 ARIN Region origin ASes present in the Internet Routing Table: 19089 ARIN Prefixes per ASN: 14.52 ARIN Region origin ASes announcing only one prefix: 6952 ARIN Region transit ASes present in the Internet Routing Table: 1926 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4825 Number of ARIN addresses announced to Internet: 1277292288 Equivalent to 76 /8s, 33 /16s and 239 /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: 262155 Total RIPE prefixes after maximum aggregation: 123906 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 257268 Unique aggregates announced from the RIPE address blocks: 160108 RIPE Region origin ASes present in the Internet Routing Table: 28444 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12078 RIPE Region transit ASes present in the Internet Routing Table: 3921 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11368 Number of RIPE addresses announced to Internet: 716235520 Equivalent to 42 /8s, 176 /16s and 227 /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: 118916 Total LACNIC prefixes after maximum aggregation: 28593 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117889 Unique aggregates announced from the LACNIC address blocks: 49366 LACNIC Region origin ASes present in the Internet Routing Table: 11048 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2708 LACNIC Region transit ASes present in the Internet Routing Table: 2330 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8869 Number of LACNIC addresses announced to Internet: 178379776 Equivalent to 10 /8s, 161 /16s and 220 /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: 30065 Total AfriNIC prefixes after maximum aggregation: 5966 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 39272 Unique aggregates announced from the AfriNIC address blocks: 12744 AfriNIC Region origin ASes present in the Internet Routing Table: 1798 AfriNIC Prefixes per ASN: 21.84 AfriNIC Region origin ASes announcing only one prefix: 622 AfriNIC Region transit ASes present in the Internet Routing Table: 337 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1141 Number of AfriNIC addresses announced to Internet: 107661824 Equivalent to 6 /8s, 106 /16s and 202 /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 9487 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5734 785 699 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4246 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3592 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3320 1835 90 VNPT-AS-VN VNPT Corp, VN 9498 3202 498 253 BBIL-AP BHARTI Airtel Ltd., IN 4538 2944 4192 73 ERX-CERNET-BKB China Education and Rese 7552 2942 1330 20 VIETEL-AS-AP Viettel Group, VN 24560 2523 847 397 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2287 11269 604 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 9079 10987 3282 AMAZON-02, US 11492 4537 301 671 CABLEONE, US 7155 4177 288 100 VIASAT-SP-BACKBONE, US 6327 3545 1319 66 SHAW, CA 22773 3530 3070 298 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54958 2415 DNIC-AS-00749, US 367 3015 3849 1413 DNIC-ASBLK-00306-00371, US 16625 3012 1413 2300 AKAMAI-AS, US 396982 2700 3597 396 GOOGLE-CLOUD-PLATFORM, US 30036 2498 359 372 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 7386 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4080 3398 152 AKAMAI-ASN1, NL 8551 3448 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3028 272 1497 M247, RO 12389 2941 2295 912 ROSTELECOM-AS, RU 34984 2333 362 593 TELLCOM-AS, TR 58224 1720 923 530 TCI, IR 13188 1606 100 27 TRIOLAN, UA 8452 1525 1852 16 TE-AS TE-AS, EG 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 11817 3378 602 UNINET, MX 10620 3534 504 858 Telmex Colombia S.A., CO 13999 2411 332 627 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1331 2324 233 Claro NXT Telecomunicacoes Ltda, BR 6503 1302 344 510 Axtel, S.A.B. de C.V., MX 3816 1296 766 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1111 369 22 Telefonica del Peru S.A.A., PE 11664 1078 169 429 Techtel LMDS Comunicaciones Interactiva 26615 1035 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 1605 393 19 LINKdotNET-AS, EG 24835 1549 549 28 RAYA-AS, EG 36992 1358 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1045 67 45 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 6713 549 1861 34 IAM-AS, MA 15399 531 55 52 WANANCHI-, KE 37342 488 32 1 MOVITEL, MZ 24757 479 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 11817 3378 602 UNINET, MX 9808 9487 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9079 10987 3282 AMAZON-02, US 12479 7386 1713 145 UNI2-AS, ES 7545 5734 785 699 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4537 301 671 CABLEONE, US 18403 4246 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4177 288 100 VIASAT-SP-BACKBONE, US 20940 4080 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 9487 9446 CHINAMOBILE-CN China Mobile Communications Grou 12479 7386 7241 UNI2-AS, ES 16509 9079 5797 AMAZON-02, US 7545 5734 5035 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4246 4221 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4077 VIASAT-SP-BACKBONE, US 20940 4080 3928 AKAMAI-ASN1, NL 11492 4537 3866 CABLEONE, US 7713 3592 3529 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 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, 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 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 /10:38 /11:101 /12:299 /13:580 /14:1194 /15:2093 /16:13494 /17:8282 /18:13834 /19:25045 /20:44032 /21:51517 /22:110141 /23:99103 /24:561275 /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 6472 7386 UNI2-AS, ES 8151 5854 11817 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3450 4537 CABLEONE, US 6327 3356 3545 SHAW, CA 7155 3122 4177 VIASAT-SP-BACKBONE, US 8551 2925 3448 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2583 3530 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2155 2498 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2108 3534 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) ---------------------------------------------- 1:2202 2:1437 3:265 4:5 5:4423 6:137 7:6 8:1515 9:1 11:172 12:1503 13:364 14:2324 15:304 16:197 17:367 18:658 20:297 21:4 22:188 23:6455 24:2520 25:2 27:2607 29:19 31:2542 32:75 34:25 35:117 36:1996 37:4536 38:5378 39:871 40:142 41:4013 42:2060 43:2278 44:323 45:16672 46:4299 47:371 49:1823 50:1885 51:582 52:1591 54:392 55:930 56:5 57:128 58:1863 59:1162 60:1004 61:2533 62:2688 63:1911 64:5681 65:2357 66:5010 67:3039 68:1343 69:4157 70:1190 71:675 72:2941 74:2625 75:1563 76:634 77:2303 78:1829 79:2996 80:2089 81:1823 82:1538 83:1307 84:1567 85:3109 86:761 87:1999 88:1205 89:3924 90:623 91:7849 92:2063 93:2621 94:3543 95:4067 96:1302 97:315 98:1084 99:734 100:91 101:1286 102:2930 103:32257 104:4744 105:577 106:905 107:2727 108:1136 109:4242 110:2135 111:3138 112:2062 113:1751 114:1720 115:2040 116:1882 117:2464 118:2708 119:1981 120:1784 121:1169 122:2616 123:2189 124:1569 125:2570 128:1472 129:921 130:1053 131:1990 132:863 133:408 134:1786 135:306 136:1016 137:1124 138:2654 139:1600 140:1292 141:1329 142:1522 143:1600 144:1006 145:349 146:1968 147:1609 148:2490 149:2320 150:883 151:1229 152:1857 153:590 154:5121 155:1392 156:2030 157:1359 158:1055 159:2199 160:2647 161:1603 162:3534 163:1626 164:1709 165:1861 166:1078 167:1743 168:3843 169:808 170:4657 171:924 172:3805 173:2967 174:981 175:1193 176:3769 177:4492 178:3550 179:2149 180:2518 181:3528 182:3360 183:1976 184:2272 185:20640 186:4752 187:4159 188:4160 189:3882 190:9325 191:1406 192:10992 193:8963 194:7305 195:5204 196:3131 197:2479 198:6023 199:6201 200:7974 201:6115 202:10480 203:10162 204:4554 205:3707 206:4398 207:3512 208:4144 209:4920 210:4450 211:2484 212:4279 213:3416 214:1107 215:71 216:6732 217:2771 218:1298 219:468 220:2034 221:985 222:755 223:2145 End of report