IPv4 R&E Routing Table Report 21:10 GMT Sun 10 Dec, 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: 934796 Prefixes after maximum aggregation (per Origin AS): 356185 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 455572 Number of IPv4 prefixes with a valid ROA: 432812 Number of IPv4 prefixes with an invalid ROA: 2172 Number of IPv4 prefixes with no ROA: 499812 Total ASes present in the Internet Routing Table: 75090 Prefixes per ASN: 12.45 Origin-only ASes present in the Internet Routing Table: 64532 Origin ASes announcing only one prefix: 26506 Transit ASes present in the Internet Routing Table: 10558 Transit-only ASes present in the Internet Routing Table: 459 Paths with bogon ASNs present in the IPv4 Routing Table: 47 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 37 Max AS path prepend of ASN (203217) 33 Prefixes from unregistered ASNs in the Routing Table: 1055 Number of instances of unregistered ASNs: 1057 Number of 32-bit ASNs allocated by the RIRs: 43221 Number of 32-bit ASNs visible in the Routing Table: 35482 Prefixes from 32-bit ASNs in the Routing Table: 178328 Number of bogon 32-bit ASNs visible in the Routing Table: 23 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 504 Number of addresses announced to Internet: 3047741184 Equivalent to 181 /8s, 168 /16s and 215 /24s Percentage of available address space announced: 82.3 Percentage of allocated address space announced: 82.3 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: 309849 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 247945 Total APNIC prefixes after maximum aggregation: 71443 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 241139 Unique aggregates announced from the APNIC address blocks: 99434 APNIC Region origin ASes present in the Internet Routing Table: 13790 APNIC Prefixes per ASN: 17.49 APNIC Region origin ASes announcing only one prefix: 4136 APNIC Region transit ASes present in the Internet Routing Table: 1857 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9145 Number of APNIC addresses announced to Internet: 770988032 Equivalent to 45 /8s, 244 /16s and 88 /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: 273302 Total ARIN prefixes after maximum aggregation: 124411 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 277929 Unique aggregates announced from the ARIN address blocks: 132789 ARIN Region origin ASes present in the Internet Routing Table: 19077 ARIN Prefixes per ASN: 14.57 ARIN Region origin ASes announcing only one prefix: 6965 ARIN Region transit ASes present in the Internet Routing Table: 1936 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: 4821 Number of ARIN addresses announced to Internet: 1275870720 Equivalent to 76 /8s, 12 /16s and 62 /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: 262053 Total RIPE prefixes after maximum aggregation: 124837 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256645 Unique aggregates announced from the RIPE address blocks: 160652 RIPE Region origin ASes present in the Internet Routing Table: 28499 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12110 RIPE Region transit ASes present in the Internet Routing Table: 3900 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11467 Number of RIPE addresses announced to Internet: 714563072 Equivalent to 42 /8s, 151 /16s and 94 /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: 120191 Total LACNIC prefixes after maximum aggregation: 28774 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 118943 Unique aggregates announced from the LACNIC address blocks: 49447 LACNIC Region origin ASes present in the Internet Routing Table: 11055 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2657 LACNIC Region transit ASes present in the Internet Routing Table: 2352 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 37 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8897 Number of LACNIC addresses announced to Internet: 178444032 Equivalent to 10 /8s, 162 /16s and 215 /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: 30250 Total AfriNIC prefixes after maximum aggregation: 6022 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 39635 Unique aggregates announced from the AfriNIC address blocks: 12836 AfriNIC Region origin ASes present in the Internet Routing Table: 1809 AfriNIC Prefixes per ASN: 21.91 AfriNIC Region origin ASes announcing only one prefix: 638 AfriNIC Region transit ASes present in the Internet Routing Table: 345 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1152 Number of AfriNIC addresses announced to Internet: 107517952 Equivalent to 6 /8s, 104 /16s and 152 /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 9745 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5663 783 680 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4426 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3599 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3387 494 252 BBIL-AP BHARTI Airtel Ltd., IN 45899 3246 1867 93 VNPT-AS-VN VNPT Corp, VN 7552 2988 1330 20 VIETEL-AS-AP Viettel Group, VN 4538 2941 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2640 853 366 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2233 11258 589 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 9426 11183 3338 AMAZON-02, US 11492 4561 303 681 CABLEONE, US 7155 4175 288 96 VIASAT-SP-BACKBONE, US 6327 3559 1320 68 SHAW, CA 22773 3511 3071 299 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3174 1410 2318 AKAMAI-AS, US 749 3163 54930 2415 DNIC-AS-00749, US 367 2974 3837 1409 DNIC-ASBLK-00306-00371, US 396982 2724 3631 375 GOOGLE-CLOUD-PLATFORM, US 7018 2582 23628 1597 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 7555 1714 146 UNI2-AS, ES 39891 4502 267 55 ALJAWWALSTC-AS, SA 20940 4009 3397 143 AKAMAI-ASN1, NL 9009 3484 300 1632 M247, RO 8551 2956 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2931 2301 907 ROSTELECOM-AS, RU 34984 2325 360 589 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1601 889 587 TCI, IR 8452 1540 1852 14 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 12134 3379 596 UNINET, MX 10620 3527 499 872 Telmex Colombia S.A., CO 13999 2482 338 637 Mega Cable, S.A. de C.V., MX 11830 2004 369 64 Instituto Costarricense de Electricidad 28573 1341 2318 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1246 341 504 Axtel, S.A.B. de C.V., MX 11664 1099 175 434 Techtel LMDS Comunicaciones Interactiva 6147 1080 369 22 Telefonica del Peru S.A.A., PE 26615 1048 2502 52 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 1589 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1359 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1048 67 51 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 503 53 41 WANANCHI-, KE 37342 491 32 1 MOVITEL, MZ 24757 481 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 12134 3379 596 UNINET, MX 9808 9745 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9426 11183 3338 AMAZON-02, US 12479 7555 1714 146 UNI2-AS, ES 7545 5663 783 680 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4561 303 681 CABLEONE, US 39891 4502 267 55 ALJAWWALSTC-AS, SA 18403 4426 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4175 288 96 VIASAT-SP-BACKBONE, US 20940 4009 3397 143 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 9745 9704 CHINAMOBILE-CN China Mobile Communications Grou 12479 7555 7409 UNI2-AS, ES 16509 9426 6088 AMAZON-02, US 7545 5663 4983 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4502 4447 ALJAWWALSTC-AS, SA 18403 4426 4401 FPT-AS-AP FPT Telecom Company, VN 7155 4175 4079 VIASAT-SP-BACKBONE, US 11492 4561 3880 CABLEONE, US 20940 4009 3866 AKAMAI-ASN1, NL 7713 3599 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 65536 DOCUMENT 5.102.30.0/24 198471 LINKEM-AS, IT 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, 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 /11:99 /12:298 /13:582 /14:1190 /15:2089 /16:13453 /17:8278 /18:13809 /19:24999 /20:43894 /21:51528 /22:110542 /23:99723 /24:564243 /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 6644 7555 UNI2-AS, ES 8151 6149 12134 UNINET, MX 11492 3475 4561 CABLEONE, US 6327 3367 3559 SHAW, CA 39891 3256 4502 ALJAWWALSTC-AS, SA 7155 3119 4175 VIASAT-SP-BACKBONE, US 22773 2563 3511 ASN-CXA-ALL-CCI-22773-RDC, US 8551 2433 2956 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 30036 2126 2471 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2121 3527 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) ---------------------------------------------- 1:2237 2:1418 3:280 4:5 5:4396 6:160 7:6 8:1511 9:1 11:172 12:1488 13:365 14:2318 15:302 16:206 17:361 18:706 20:328 21:4 22:188 23:6545 24:2599 25:2 27:2598 29:19 31:2536 32:53 34:33 35:119 36:2046 37:4475 38:5715 39:881 40:148 41:4019 42:2140 43:2315 44:328 45:16729 46:4381 47:299 49:1896 50:1888 51:573 52:1598 54:394 55:801 56:5 57:129 58:1926 59:1156 60:1007 61:2584 62:2728 63:1908 64:5486 65:2227 66:5041 67:3052 68:1359 69:4069 70:1184 71:614 72:2931 74:2635 75:1561 76:628 77:2275 78:1821 79:3007 80:2122 81:1856 82:1536 83:1324 84:1621 85:2980 86:785 87:1976 88:1237 89:3935 90:641 91:7897 92:2182 93:2641 94:3587 95:4016 96:1299 97:316 98:1018 99:737 100:95 101:1390 102:3018 103:32576 104:4790 105:593 106:977 107:2745 108:1137 109:3771 110:2136 111:3139 112:2077 113:1696 114:1745 115:2052 116:1930 117:2505 118:2755 119:1961 120:1786 121:1271 122:2645 123:2198 124:1589 125:2762 128:1502 129:913 130:1060 131:1993 132:875 133:410 134:1706 135:295 136:917 137:1137 138:2735 139:1567 140:1343 141:1350 142:1541 143:1537 144:1009 145:344 146:1991 147:1604 148:2478 149:2374 150:1017 151:1290 152:1831 153:592 154:5308 155:1375 156:2120 157:1387 158:1085 159:2205 160:2627 161:1611 162:3563 163:1650 164:1639 165:1885 166:1091 167:1771 168:3848 169:798 170:4698 171:946 172:3762 173:2999 174:901 175:1221 176:3606 177:4629 178:3554 179:2227 180:2370 181:3606 182:3406 183:2026 184:2250 185:20505 186:4788 187:4319 188:3995 189:3988 190:9351 191:1495 192:11014 193:8975 194:7299 195:5213 196:3145 197:2528 198:6015 199:6650 200:8102 201:6256 202:10502 203:10210 204:4603 205:3676 206:4444 207:3477 208:4092 209:4935 210:4493 211:2503 212:4215 213:3406 214:1113 215:63 216:6761 217:2751 218:1318 219:475 220:2026 221:1017 222:794 223:2196 End of report