IPv4 R&E Routing Table Report 21:10 GMT Wed 20 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: 936389 Prefixes after maximum aggregation (per Origin AS): 356755 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 455782 Number of IPv4 prefixes with a valid ROA: 435208 Number of IPv4 prefixes with an invalid ROA: 2231 Number of IPv4 prefixes with no ROA: 498950 Total ASes present in the Internet Routing Table: 75154 Prefixes per ASN: 12.46 Origin-only ASes present in the Internet Routing Table: 64580 Origin ASes announcing only one prefix: 26536 Transit ASes present in the Internet Routing Table: 10574 Transit-only ASes present in the Internet Routing Table: 473 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: 1075 Number of instances of unregistered ASNs: 1078 Number of 32-bit ASNs allocated by the RIRs: 43244 Number of 32-bit ASNs visible in the Routing Table: 35566 Prefixes from 32-bit ASNs in the Routing Table: 178881 Number of bogon 32-bit ASNs visible in the Routing Table: 29 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 520 Number of addresses announced to Internet: 3047581952 Equivalent to 181 /8s, 166 /16s and 105 /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: 310709 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 248316 Total APNIC prefixes after maximum aggregation: 71716 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 241449 Unique aggregates announced from the APNIC address blocks: 99564 APNIC Region origin ASes present in the Internet Routing Table: 13832 APNIC Prefixes per ASN: 17.46 APNIC Region origin ASes announcing only one prefix: 4166 APNIC Region transit ASes present in the Internet Routing Table: 1870 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: 9198 Number of APNIC addresses announced to Internet: 770859520 Equivalent to 45 /8s, 242 /16s and 98 /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: 273598 Total ARIN prefixes after maximum aggregation: 124404 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 278261 Unique aggregates announced from the ARIN address blocks: 132641 ARIN Region origin ASes present in the Internet Routing Table: 19063 ARIN Prefixes per ASN: 14.60 ARIN Region origin ASes announcing only one prefix: 6945 ARIN Region transit ASes present in the Internet Routing Table: 1921 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: 4823 Number of ARIN addresses announced to Internet: 1275558912 Equivalent to 76 /8s, 7 /16s and 124 /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: 262552 Total RIPE prefixes after maximum aggregation: 125044 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 257236 Unique aggregates announced from the RIPE address blocks: 160765 RIPE Region origin ASes present in the Internet Routing Table: 28514 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12113 RIPE Region transit ASes present in the Internet Routing Table: 3899 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: 11492 Number of RIPE addresses announced to Internet: 714613248 Equivalent to 42 /8s, 152 /16s and 34 /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: 120397 Total LACNIC prefixes after maximum aggregation: 28830 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 119102 Unique aggregates announced from the LACNIC address blocks: 49417 LACNIC Region origin ASes present in the Internet Routing Table: 11048 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2671 LACNIC Region transit ASes present in the Internet Routing Table: 2362 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: 8892 Number of LACNIC addresses announced to Internet: 178431488 Equivalent to 10 /8s, 162 /16s and 166 /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: 30451 Total AfriNIC prefixes after maximum aggregation: 6028 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 39820 Unique aggregates announced from the AfriNIC address blocks: 12963 AfriNIC Region origin ASes present in the Internet Routing Table: 1817 AfriNIC Prefixes per ASN: 21.92 AfriNIC Region origin ASes announcing only one prefix: 641 AfriNIC Region transit ASes present in the Internet Routing Table: 351 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: 1161 Number of AfriNIC addresses announced to Internet: 107756800 Equivalent to 6 /8s, 108 /16s and 61 /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 9772 8734 47 CHINAMOBILE-CN China Mobile Communicati 7545 5673 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4514 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3599 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3400 495 254 BBIL-AP BHARTI Airtel Ltd., IN 45899 3250 1867 93 VNPT-AS-VN VNPT Corp, VN 7552 3022 1330 20 VIETEL-AS-AP Viettel Group, VN 4538 2940 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2656 856 373 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 9457 11200 3346 AMAZON-02, US 11492 4562 303 680 CABLEONE, US 7155 4176 288 96 VIASAT-SP-BACKBONE, US 6327 3566 1320 69 SHAW, CA 22773 3484 3071 297 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3204 1418 2323 AKAMAI-AS, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2961 3850 1416 DNIC-ASBLK-00306-00371, US 396982 2739 3638 385 GOOGLE-CLOUD-PLATFORM, US 7018 2522 23624 1570 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 7574 1714 146 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 4017 3397 143 AKAMAI-ASN1, NL 9009 3501 301 1637 M247, RO 8551 3369 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2962 2301 910 ROSTELECOM-AS, RU 34984 2331 360 594 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1526 874 584 TCI, IR 44477 1446 95 715 STARK-INDUSTRIES, GB 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 12139 3381 592 UNINET, MX 10620 3519 497 886 Telmex Colombia S.A., CO 13999 2492 339 635 Mega Cable, S.A. de C.V., MX 11830 2004 369 64 Instituto Costarricense de Electricidad 28573 1345 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 1098 177 430 Techtel LMDS Comunicaciones Interactiva 6147 1086 369 22 Telefonica del Peru S.A.A., PE 22884 1072 115 373 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 1360 1518 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1053 68 50 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 36914 525 82 3 KENET-AS, KE 15399 503 53 42 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 12139 3381 592 UNINET, MX 9808 9772 8734 47 CHINAMOBILE-CN China Mobile Communicati 16509 9457 11200 3346 AMAZON-02, US 12479 7574 1714 146 UNI2-AS, ES 7545 5673 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4562 303 680 CABLEONE, US 18403 4514 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4176 288 96 VIASAT-SP-BACKBONE, US 20940 4017 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 9772 9725 CHINAMOBILE-CN China Mobile Communications Grou 12479 7574 7428 UNI2-AS, ES 16509 9457 6111 AMAZON-02, US 7545 5673 4987 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4514 4489 FPT-AS-AP FPT Telecom Company, VN 7155 4176 4080 VIASAT-SP-BACKBONE, US 11492 4562 3882 CABLEONE, US 20940 4017 3874 AKAMAI-ASN1, NL 7713 3599 3535 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 100.120.27.0/24 2027 MILKYWAN MilkyWan, FR 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 /13:581 /14:1191 /15:2089 /16:13443 /17:8247 /18:13778 /19:25010 /20:43923 /21:51591 /22:110480 /23:99750 /24:565840 /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 6660 7574 UNI2-AS, ES 8151 6153 12139 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 2846 3369 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2537 3484 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2131 2474 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2122 3519 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) ---------------------------------------------- 1:2273 2:1412 3:283 4:5 5:4390 6:163 7:6 8:1510 9:1 11:172 12:1489 13:375 14:2324 15:308 16:206 17:360 18:708 20:344 21:4 22:188 23:6565 24:2605 25:2 27:2597 29:19 31:2546 32:53 34:35 35:119 36:2094 37:4497 38:5728 39:882 40:147 41:4126 42:2181 43:2308 44:325 45:16706 46:4398 47:298 49:1896 50:1890 51:573 52:1596 54:385 55:889 56:5 57:129 58:1938 59:1164 60:1011 61:2593 62:2754 63:1909 64:5507 65:2225 66:5013 67:3047 68:1331 69:4054 70:1170 71:618 72:2925 74:2635 75:1551 76:628 77:2344 78:1823 79:3015 80:2112 81:1864 82:1533 83:1320 84:1626 85:2989 86:788 87:1966 88:1229 89:3954 90:657 91:7902 92:2181 93:2640 94:3595 95:4022 96:1299 97:316 98:1021 99:737 100:96 101:1154 102:3032 103:32512 104:4792 105:600 106:979 107:2760 108:1146 109:4179 110:2140 111:3150 112:2079 113:1712 114:1744 115:2051 116:1935 117:2518 118:2765 119:1962 120:1784 121:1286 122:2648 123:2199 124:1590 125:2778 128:1500 129:915 130:1064 131:2005 132:873 133:411 134:1707 135:294 136:911 137:1133 138:2747 139:1560 140:1339 141:1358 142:1541 143:1541 144:1000 145:337 146:2007 147:1643 148:2496 149:2390 150:1016 151:1312 152:1847 153:595 154:5418 155:1368 156:2109 157:1385 158:1077 159:2208 160:2629 161:1625 162:3597 163:1645 164:1627 165:1871 166:1082 167:1745 168:3853 169:789 170:4700 171:957 172:3766 173:3014 174:893 175:1225 176:3601 177:4716 178:3549 179:2243 180:2402 181:3609 182:3406 183:2029 184:2264 185:20511 186:4857 187:4340 188:3941 189:4001 190:9330 191:1509 192:11010 193:8986 194:7341 195:5217 196:3145 197:2638 198:6005 199:6792 200:8095 201:6257 202:10506 203:10224 204:4594 205:3669 206:4452 207:3480 208:4105 209:4944 210:4562 211:2532 212:4216 213:3385 214:1119 215:49 216:6764 217:2771 218:1319 219:478 220:2028 221:1024 222:795 223:2193 End of report