IPv4 R&E Routing Table Report 21:10 GMT Wed 13 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: 935788 Prefixes after maximum aggregation (per Origin AS): 356568 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 455654 Number of IPv4 prefixes with a valid ROA: 434401 Number of IPv4 prefixes with an invalid ROA: 2188 Number of IPv4 prefixes with no ROA: 499199 Total ASes present in the Internet Routing Table: 75140 Prefixes per ASN: 12.45 Origin-only ASes present in the Internet Routing Table: 64585 Origin ASes announcing only one prefix: 26552 Transit ASes present in the Internet Routing Table: 10555 Transit-only ASes present in the Internet Routing Table: 460 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: 1056 Number of instances of unregistered ASNs: 1058 Number of 32-bit ASNs allocated by the RIRs: 43228 Number of 32-bit ASNs visible in the Routing Table: 35534 Prefixes from 32-bit ASNs in the Routing Table: 178542 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: 547 Number of addresses announced to Internet: 3047520768 Equivalent to 181 /8s, 165 /16s and 122 /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: 310575 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 248083 Total APNIC prefixes after maximum aggregation: 71560 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 241221 Unique aggregates announced from the APNIC address blocks: 99504 APNIC Region origin ASes present in the Internet Routing Table: 13817 APNIC Prefixes per ASN: 17.46 APNIC Region origin ASes announcing only one prefix: 4157 APNIC Region transit ASes present in the Internet Routing Table: 1860 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: 9174 Number of APNIC addresses announced to Internet: 770685184 Equivalent to 45 /8s, 239 /16s and 185 /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: 273640 Total ARIN prefixes after maximum aggregation: 124507 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 278295 Unique aggregates announced from the ARIN address blocks: 132683 ARIN Region origin ASes present in the Internet Routing Table: 19081 ARIN Prefixes per ASN: 14.58 ARIN Region origin ASes announcing only one prefix: 6960 ARIN Region transit ASes present in the Internet Routing Table: 1932 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: 1275758336 Equivalent to 76 /8s, 10 /16s and 135 /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: 262449 Total RIPE prefixes after maximum aggregation: 124935 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 257019 Unique aggregates announced from the RIPE address blocks: 160695 RIPE Region origin ASes present in the Internet Routing Table: 28509 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12123 RIPE Region transit ASes present in the Internet Routing Table: 3898 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: 11484 Number of RIPE addresses announced to Internet: 714502912 Equivalent to 42 /8s, 150 /16s and 115 /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: 120128 Total LACNIC prefixes after maximum aggregation: 28813 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 118840 Unique aggregates announced from the LACNIC address blocks: 49461 LACNIC Region origin ASes present in the Internet Routing Table: 11055 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2674 LACNIC Region transit ASes present in the Internet Routing Table: 2349 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: 178416896 Equivalent to 10 /8s, 162 /16s and 109 /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: 30432 Total AfriNIC prefixes after maximum aggregation: 6043 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 39865 Unique aggregates announced from the AfriNIC address blocks: 12879 AfriNIC Region origin ASes present in the Internet Routing Table: 1812 AfriNIC Prefixes per ASN: 22.00 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: 1154 Number of AfriNIC addresses announced to Internet: 107760128 Equivalent to 6 /8s, 108 /16s and 74 /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 9741 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5662 783 680 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4436 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3595 1045 67 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3391 495 254 BBIL-AP BHARTI Airtel Ltd., IN 45899 3246 1867 93 VNPT-AS-VN VNPT Corp, VN 7552 3011 1330 20 VIETEL-AS-AP Viettel Group, VN 4538 2940 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2643 854 369 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2233 11258 588 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 9383 11176 3383 AMAZON-02, US 11492 4562 303 680 CABLEONE, US 7155 4175 288 96 VIASAT-SP-BACKBONE, US 6327 3562 1320 69 SHAW, CA 22773 3512 3071 299 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3171 1409 2319 AKAMAI-AS, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2956 4974 1418 DNIC-ASBLK-00306-00371, US 396982 2729 3633 380 GOOGLE-CLOUD-PLATFORM, US 7018 2576 23627 1594 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 7587 1714 146 UNI2-AS, ES 39891 4434 262 59 ALJAWWALSTC-AS, SA 20940 4004 3397 143 AKAMAI-ASN1, NL 9009 3491 300 1621 M247, RO 8551 3336 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2966 2301 911 ROSTELECOM-AS, RU 34984 2325 360 589 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1595 888 593 TCI, IR 8452 1539 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 12115 3379 600 UNINET, MX 10620 3518 496 885 Telmex Colombia S.A., CO 13999 2484 337 635 Mega Cable, S.A. de C.V., MX 11830 2005 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 1086 176 430 Techtel LMDS Comunicaciones Interactiva 6147 1080 369 22 Telefonica del Peru S.A.A., PE 26615 1047 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 1596 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1359 1518 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1047 67 52 ORANGE-COTE-IVOIRE, CI 36935 853 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 36914 532 82 3 KENET-AS, KE 15399 503 53 41 WANANCHI-, KE 37342 490 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 12115 3379 600 UNINET, MX 9808 9741 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9383 11176 3383 AMAZON-02, US 12479 7587 1714 146 UNI2-AS, ES 7545 5662 783 680 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4562 303 680 CABLEONE, US 18403 4436 347 25 FPT-AS-AP FPT Telecom Company, VN 39891 4434 262 59 ALJAWWALSTC-AS, SA 7155 4175 288 96 VIASAT-SP-BACKBONE, US 20940 4004 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 9741 9700 CHINAMOBILE-CN China Mobile Communications Grou 12479 7587 7441 UNI2-AS, ES 16509 9383 6000 AMAZON-02, US 7545 5662 4982 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4436 4411 FPT-AS-AP FPT Telecom Company, VN 39891 4434 4375 ALJAWWALSTC-AS, SA 7155 4175 4079 VIASAT-SP-BACKBONE, US 11492 4562 3882 CABLEONE, US 20940 4004 3861 AKAMAI-ASN1, NL 7713 3595 3528 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 /11:100 /12:299 /13:583 /14:1191 /15:2091 /16:13454 /17:8278 /18:13799 /19:25004 /20:43910 /21:51523 /22:110511 /23:99814 /24:565162 /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 6673 7587 UNI2-AS, ES 8151 6135 12115 UNINET, MX 11492 3476 4562 CABLEONE, US 6327 3367 3562 SHAW, CA 39891 3252 4434 ALJAWWALSTC-AS, SA 7155 3119 4175 VIASAT-SP-BACKBONE, US 8551 2813 3336 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2564 3512 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2136 2482 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2121 3518 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) ---------------------------------------------- 1:2238 2:1416 3:280 4:5 5:4388 6:162 7:6 8:1511 9:1 11:172 12:1488 13:368 14:2317 15:304 16:206 17:362 18:705 20:337 21:4 22:188 23:6590 24:2596 25:2 27:2599 29:19 31:2544 32:53 34:33 35:117 36:2049 37:4476 38:5732 39:881 40:147 41:4107 42:2147 43:2318 44:328 45:16692 46:4383 47:299 49:1895 50:1891 51:509 52:1595 54:387 55:873 56:5 57:130 58:1932 59:1164 60:1009 61:2590 62:2731 63:1906 64:5500 65:2229 66:5022 67:3049 68:1347 69:4057 70:1183 71:617 72:2934 74:2634 75:1550 76:629 77:2274 78:1822 79:2996 80:2123 81:1871 82:1535 83:1322 84:1626 85:2984 86:787 87:1983 88:1232 89:3935 90:648 91:7891 92:2180 93:2639 94:3591 95:4019 96:1298 97:316 98:1019 99:744 100:96 101:1152 102:3020 103:32588 104:4798 105:599 106:977 107:2761 108:1144 109:4166 110:2136 111:3142 112:2076 113:1705 114:1744 115:2056 116:1931 117:2503 118:2756 119:1966 120:1784 121:1271 122:2654 123:2198 124:1589 125:2770 128:1503 129:912 130:1061 131:1985 132:868 133:410 134:1710 135:295 136:908 137:1139 138:2729 139:1567 140:1341 141:1354 142:1541 143:1529 144:1007 145:336 146:2003 147:1640 148:2491 149:2390 150:1019 151:1288 152:1845 153:595 154:5353 155:1368 156:2147 157:1387 158:1088 159:2205 160:2626 161:1621 162:3595 163:1644 164:1638 165:1882 166:1084 167:1749 168:3830 169:799 170:4695 171:955 172:3762 173:3020 174:901 175:1223 176:3605 177:4659 178:3548 179:2253 180:2379 181:3606 182:3410 183:2025 184:2267 185:20519 186:4765 187:4330 188:3989 189:3984 190:9344 191:1580 192:11005 193:8978 194:7319 195:5213 196:3146 197:2651 198:6017 199:6717 200:8063 201:6230 202:10515 203:10212 204:4591 205:3685 206:4445 207:3483 208:4087 209:4957 210:4527 211:2521 212:4210 213:3405 214:1118 215:49 216:6771 217:2764 218:1319 219:475 220:2027 221:1019 222:794 223:2193 End of report