IPv4 R&E Routing Table Report 21:10 GMT Sat 16 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: 935711 Prefixes after maximum aggregation (per Origin AS): 356510 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 455548 Number of IPv4 prefixes with a valid ROA: 434369 Number of IPv4 prefixes with an invalid ROA: 2411 Number of IPv4 prefixes with no ROA: 498931 Total ASes present in the Internet Routing Table: 75106 Prefixes per ASN: 12.46 Origin-only ASes present in the Internet Routing Table: 64547 Origin ASes announcing only one prefix: 26516 Transit ASes present in the Internet Routing Table: 10559 Transit-only ASes present in the Internet Routing Table: 461 Paths with bogon ASNs present in the IPv4 Routing Table: 48 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: 1090 Number of instances of unregistered ASNs: 1092 Number of 32-bit ASNs allocated by the RIRs: 43229 Number of 32-bit ASNs visible in the Routing Table: 35528 Prefixes from 32-bit ASNs in the Routing Table: 178676 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: 515 Number of addresses announced to Internet: 3047064832 Equivalent to 181 /8s, 158 /16s and 133 /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: 310572 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 247964 Total APNIC prefixes after maximum aggregation: 71583 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 241155 Unique aggregates announced from the APNIC address blocks: 99414 APNIC Region origin ASes present in the Internet Routing Table: 13813 APNIC Prefixes per ASN: 17.46 APNIC Region origin ASes announcing only one prefix: 4161 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: 9179 Number of APNIC addresses announced to Internet: 770382592 Equivalent to 45 /8s, 235 /16s and 27 /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: 273420 Total ARIN prefixes after maximum aggregation: 124374 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 278045 Unique aggregates announced from the ARIN address blocks: 132576 ARIN Region origin ASes present in the Internet Routing Table: 19063 ARIN Prefixes per ASN: 14.59 ARIN Region origin ASes announcing only one prefix: 6947 ARIN Region transit ASes present in the Internet Routing Table: 1925 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: 4820 Number of ARIN addresses announced to Internet: 1275472128 Equivalent to 76 /8s, 6 /16s and 41 /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: 262740 Total RIPE prefixes after maximum aggregation: 124982 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 257324 Unique aggregates announced from the RIPE address blocks: 160826 RIPE Region origin ASes present in the Internet Routing Table: 28494 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12101 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: 11475 Number of RIPE addresses announced to Internet: 714641152 Equivalent to 42 /8s, 152 /16s and 143 /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: 120021 Total LACNIC prefixes after maximum aggregation: 28803 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 118746 Unique aggregates announced from the LACNIC address blocks: 49397 LACNIC Region origin ASes present in the Internet Routing Table: 11056 LACNIC Prefixes per ASN: 10.74 LACNIC Region origin ASes announcing only one prefix: 2673 LACNIC Region transit ASes present in the Internet Routing Table: 2364 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: 8902 Number of LACNIC addresses announced to Internet: 178420480 Equivalent to 10 /8s, 162 /16s and 123 /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: 30476 Total AfriNIC prefixes after maximum aggregation: 6023 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 39925 Unique aggregates announced from the AfriNIC address blocks: 12911 AfriNIC Region origin ASes present in the Internet Routing Table: 1807 AfriNIC Prefixes per ASN: 22.09 AfriNIC Region origin ASes announcing only one prefix: 634 AfriNIC Region transit ASes present in the Internet Routing Table: 350 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: 107791616 Equivalent to 6 /8s, 108 /16s and 197 /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 9768 8731 43 CHINAMOBILE-CN China Mobile Communicati 7545 5673 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4440 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3592 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3394 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 2939 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2644 854 364 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2232 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 9360 11174 3413 AMAZON-02, US 11492 4562 303 680 CABLEONE, US 7155 4176 288 96 VIASAT-SP-BACKBONE, US 6327 3566 1320 69 SHAW, CA 22773 3486 3070 296 ASN-CXA-ALL-CCI-22773-RDC, US 749 3163 54930 2415 DNIC-AS-00749, US 16625 3158 1404 2317 AKAMAI-AS, US 367 2938 3835 1402 DNIC-ASBLK-00306-00371, US 396982 2736 3637 383 GOOGLE-CLOUD-PLATFORM, US 7018 2577 23628 1595 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 7591 1714 146 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 3996 3397 143 AKAMAI-ASN1, NL 9009 3495 300 1630 M247, RO 8551 3361 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2962 2301 910 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 12135 3379 595 UNINET, MX 10620 3518 496 885 Telmex Colombia S.A., CO 13999 2477 338 629 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1345 2318 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1307 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1246 341 504 Axtel, S.A.B. de C.V., MX 11664 1094 177 429 Techtel LMDS Comunicaciones Interactiva 6147 1085 369 22 Telefonica del Peru S.A.A., PE 22884 1070 115 375 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 1049 68 52 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 36914 526 82 3 KENET-AS, KE 15399 501 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 12135 3379 595 UNINET, MX 9808 9768 8731 43 CHINAMOBILE-CN China Mobile Communicati 16509 9360 11174 3413 AMAZON-02, US 12479 7591 1714 146 UNI2-AS, ES 7545 5673 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4562 303 680 CABLEONE, US 18403 4440 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4176 288 96 VIASAT-SP-BACKBONE, US 20940 3996 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 9768 9725 CHINAMOBILE-CN China Mobile Communications Grou 12479 7591 7445 UNI2-AS, ES 16509 9360 5947 AMAZON-02, US 7545 5673 4986 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4440 4415 FPT-AS-AP FPT Telecom Company, VN 7155 4176 4080 VIASAT-SP-BACKBONE, US 11492 4562 3882 CABLEONE, US 20940 3996 3853 AKAMAI-ASN1, NL 7713 3592 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 /11:99 /12:298 /13:582 /14:1191 /15:2089 /16:13451 /17:8239 /18:13799 /19:25012 /20:43935 /21:51561 /22:110550 /23:99707 /24:565129 /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 6677 7591 UNI2-AS, ES 8151 6154 12135 UNINET, MX 11492 3476 4562 CABLEONE, US 6327 3371 3566 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3120 4176 VIASAT-SP-BACKBONE, US 8551 2838 3361 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2540 3486 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2135 2480 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) ---------------------------------------------- 1:2235 2:1410 3:282 4:5 5:4392 6:162 7:6 8:1514 9:1 11:172 12:1489 13:372 14:2317 15:306 16:204 17:361 18:697 20:344 21:4 22:188 23:6586 24:2603 25:2 27:2596 29:19 31:2546 32:53 34:36 35:119 36:2087 37:4507 38:5718 39:881 40:147 41:4113 42:2143 43:2306 44:329 45:16701 46:4403 47:298 49:1891 50:1888 51:573 52:1595 54:381 55:875 56:5 57:130 58:1932 59:1164 60:1009 61:2587 62:2747 63:1909 64:5506 65:2229 66:5010 67:3054 68:1331 69:4059 70:1172 71:617 72:2930 74:2640 75:1551 76:630 77:2338 78:1823 79:3007 80:2110 81:1868 82:1537 83:1323 84:1625 85:2983 86:785 87:1985 88:1233 89:3941 90:650 91:7891 92:2184 93:2638 94:3590 95:4022 96:1297 97:316 98:1020 99:746 100:96 101:1146 102:3033 103:32524 104:4788 105:599 106:979 107:2758 108:1140 109:4179 110:2138 111:3147 112:2079 113:1707 114:1745 115:2016 116:1926 117:2503 118:2756 119:1965 120:1784 121:1283 122:2652 123:2199 124:1588 125:2775 128:1502 129:913 130:1066 131:1991 132:869 133:411 134:1705 135:294 136:912 137:1135 138:2731 139:1560 140:1383 141:1353 142:1542 143:1521 144:1002 145:336 146:2000 147:1650 148:2458 149:2386 150:1018 151:1315 152:1847 153:595 154:5363 155:1366 156:2110 157:1384 158:1090 159:2204 160:2623 161:1623 162:3593 163:1649 164:1631 165:1878 166:1092 167:1748 168:3842 169:792 170:4701 171:955 172:3759 173:3023 174:900 175:1223 176:3606 177:4646 178:3549 179:2217 180:2396 181:3615 182:3409 183:2023 184:2267 185:20518 186:4802 187:4277 188:4004 189:3952 190:9336 191:1493 192:11014 193:8991 194:7344 195:5214 196:3141 197:2648 198:6010 199:6757 200:8081 201:6268 202:10436 203:10171 204:4593 205:3630 206:4457 207:3485 208:4105 209:4950 210:4542 211:2524 212:4211 213:3381 214:1116 215:49 216:6773 217:2771 218:1319 219:475 220:2027 221:1021 222:794 223:2191 End of report