IPv4 R&E Routing Table Report 21:10 GMT Thu 28 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: 937773 Prefixes after maximum aggregation (per Origin AS): 357023 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 456204 Number of IPv4 prefixes with a valid ROA: 435956 Number of IPv4 prefixes with an invalid ROA: 2114 Number of IPv4 prefixes with no ROA: 499703 Total ASes present in the Internet Routing Table: 75172 Prefixes per ASN: 12.48 Origin-only ASes present in the Internet Routing Table: 64595 Origin ASes announcing only one prefix: 26537 Transit ASes present in the Internet Routing Table: 10577 Transit-only ASes present in the Internet Routing Table: 475 Paths with bogon ASNs present in the IPv4 Routing Table: 46 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 37 Max AS path prepend of ASN (272886) 31 Prefixes from unregistered ASNs in the Routing Table: 1072 Number of instances of unregistered ASNs: 1075 Number of 32-bit ASNs allocated by the RIRs: 43276 Number of 32-bit ASNs visible in the Routing Table: 35591 Prefixes from 32-bit ASNs in the Routing Table: 179340 Number of bogon 32-bit ASNs visible in the Routing Table: 27 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 506 Number of addresses announced to Internet: 3044930560 Equivalent to 181 /8s, 125 /16s and 244 /24s Percentage of available address space announced: 82.2 Percentage of allocated address space announced: 82.2 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: 310580 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249403 Total APNIC prefixes after maximum aggregation: 71837 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 242513 Unique aggregates announced from the APNIC address blocks: 99612 APNIC Region origin ASes present in the Internet Routing Table: 13846 APNIC Prefixes per ASN: 17.52 APNIC Region origin ASes announcing only one prefix: 4165 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: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9219 Number of APNIC addresses announced to Internet: 770677760 Equivalent to 45 /8s, 239 /16s and 156 /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: 274040 Total ARIN prefixes after maximum aggregation: 124477 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 278779 Unique aggregates announced from the ARIN address blocks: 132958 ARIN Region origin ASes present in the Internet Routing Table: 19072 ARIN Prefixes per ASN: 14.62 ARIN Region origin ASes announcing only one prefix: 6949 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: 4827 Number of ARIN addresses announced to Internet: 1273437184 Equivalent to 75 /8s, 231 /16s and 28 /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: 262749 Total RIPE prefixes after maximum aggregation: 125109 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 257378 Unique aggregates announced from the RIPE address blocks: 160951 RIPE Region origin ASes present in the Internet Routing Table: 28501 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12107 RIPE Region transit ASes present in the Internet Routing Table: 3894 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11487 Number of RIPE addresses announced to Internet: 714386432 Equivalent to 42 /8s, 148 /16s and 172 /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: 120039 Total LACNIC prefixes after maximum aggregation: 28836 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 118730 Unique aggregates announced from the LACNIC address blocks: 49442 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: 2670 LACNIC Region transit ASes present in the Internet Routing Table: 2361 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: 8901 Number of LACNIC addresses announced to Internet: 178376448 Equivalent to 10 /8s, 161 /16s and 207 /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: 30470 Total AfriNIC prefixes after maximum aggregation: 6032 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 39866 Unique aggregates announced from the AfriNIC address blocks: 12821 AfriNIC Region origin ASes present in the Internet Routing Table: 1816 AfriNIC Prefixes per ASN: 21.95 AfriNIC Region origin ASes announcing only one prefix: 646 AfriNIC Region transit ASes present in the Internet Routing Table: 346 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: 1157 Number of AfriNIC addresses announced to Internet: 107759872 Equivalent to 6 /8s, 108 /16s and 73 /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 9784 8738 52 CHINAMOBILE-CN China Mobile Communicati 7545 5674 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4538 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3833 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3594 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3416 495 254 BBIL-AP BHARTI Airtel Ltd., IN 45899 3244 1867 93 VNPT-AS-VN VNPT Corp, VN 4538 2941 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2661 857 370 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2186 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 9463 11201 3348 AMAZON-02, US 11492 4562 303 680 CABLEONE, US 7155 4173 288 96 VIASAT-SP-BACKBONE, US 6327 3566 1320 69 SHAW, CA 22773 3509 3071 298 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3203 1418 2324 AKAMAI-AS, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2971 3844 1418 DNIC-ASBLK-00306-00371, US 396982 2740 3639 386 GOOGLE-CLOUD-PLATFORM, US 7018 2531 23624 1577 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 7564 1714 146 UNI2-AS, ES 39891 4641 279 54 ALJAWWALSTC-AS, SA 20940 4010 3397 143 AKAMAI-ASN1, NL 9009 3482 300 1628 M247, RO 8551 3343 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 3001 2301 912 ROSTELECOM-AS, RU 34984 2328 359 598 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1510 872 576 TCI, IR 44477 1449 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 12149 3382 591 UNINET, MX 10620 3519 497 886 Telmex Colombia S.A., CO 13999 2493 339 636 Mega Cable, S.A. de C.V., MX 11830 2006 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 1105 178 424 Techtel LMDS Comunicaciones Interactiva 6147 1088 369 22 Telefonica del Peru S.A.A., PE 22884 1074 116 375 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 1588 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 1058 68 52 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 552 1861 34 IAM-AS, MA 36914 514 82 3 KENET-AS, KE 15399 502 53 42 WANANCHI-, KE 37342 481 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 12149 3382 591 UNINET, MX 9808 9784 8738 52 CHINAMOBILE-CN China Mobile Communicati 16509 9463 11201 3348 AMAZON-02, US 12479 7564 1714 146 UNI2-AS, ES 7545 5674 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4641 279 54 ALJAWWALSTC-AS, SA 11492 4562 303 680 CABLEONE, US 18403 4538 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4173 288 96 VIASAT-SP-BACKBONE, US 20940 4010 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 9784 9732 CHINAMOBILE-CN China Mobile Communications Grou 12479 7564 7418 UNI2-AS, ES 16509 9463 6115 AMAZON-02, US 7545 5674 4988 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4641 4587 ALJAWWALSTC-AS, SA 18403 4538 4513 FPT-AS-AP FPT Telecom Company, VN 7155 4173 4077 VIASAT-SP-BACKBONE, US 11492 4562 3882 CABLEONE, US 20940 4010 3867 AKAMAI-ASN1, NL 7552 3833 3813 VIETEL-AS-AP Viettel Group, VN 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 /10:37 /11:99 /12:298 /13:581 /14:1191 /15:2088 /16:13435 /17:8241 /18:13774 /19:25018 /20:43925 /21:51918 /22:110761 /23:99885 /24:566491 /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 6652 7564 UNI2-AS, ES 8151 6159 12149 UNINET, MX 11492 3476 4562 CABLEONE, US 6327 3371 3566 SHAW, CA 39891 3324 4641 ALJAWWALSTC-AS, SA 7155 3117 4173 VIASAT-SP-BACKBONE, US 8551 2820 3343 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2560 3509 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2130 2473 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) ---------------------------------------------- 1:2275 2:1405 3:283 4:5 5:4401 6:163 7:6 8:1510 9:1 11:172 12:1488 13:375 14:2324 15:309 16:206 17:361 18:710 20:344 21:4 22:188 23:6568 24:2604 25:2 27:2636 29:19 31:2549 32:53 34:35 35:120 36:2125 37:4492 38:5800 39:884 40:147 41:4134 42:2199 43:2315 44:323 45:16716 46:4340 47:285 49:1895 50:1882 51:574 52:1594 54:377 55:891 56:5 57:131 58:1933 59:1165 60:1012 61:2585 62:2756 63:1909 64:5509 65:2223 66:5024 67:3044 68:1340 69:4058 70:1180 71:618 72:2921 74:2629 75:1547 76:629 77:2341 78:1828 79:3002 80:2113 81:1871 82:1532 83:1324 84:1627 85:2994 86:791 87:1960 88:1229 89:3965 90:657 91:7906 92:2171 93:2634 94:3596 95:4019 96:1298 97:316 98:1019 99:738 100:95 101:1159 102:3036 103:32579 104:4783 105:600 106:975 107:2760 108:1147 109:4163 110:2132 111:3150 112:2080 113:1715 114:1743 115:2055 116:1962 117:2634 118:2776 119:1961 120:1785 121:1297 122:2644 123:2198 124:1584 125:2796 128:1496 129:915 130:1073 131:1980 132:830 133:411 134:1701 135:303 136:883 137:1186 138:2736 139:1559 140:1342 141:1356 142:1540 143:1526 144:999 145:341 146:2022 147:1638 148:2487 149:2392 150:1022 151:1311 152:1847 153:595 154:5461 155:1369 156:2110 157:1383 158:1079 159:2210 160:2619 161:1617 162:3601 163:1641 164:1634 165:2117 166:1074 167:1742 168:3836 169:793 170:4693 171:975 172:3776 173:3016 174:893 175:1226 176:3600 177:4629 178:3554 179:2214 180:2418 181:3631 182:3421 183:2027 184:2269 185:20526 186:4801 187:4327 188:4015 189:3960 190:9331 191:1488 192:11035 193:8990 194:7358 195:5226 196:3138 197:2604 198:6006 199:6812 200:8094 201:6262 202:10498 203:10274 204:4594 205:3679 206:4447 207:3494 208:4097 209:4956 210:4576 211:2533 212:4221 213:3400 214:1120 215:50 216:6781 217:2773 218:1334 219:478 220:2048 221:1024 222:784 223:2191 End of report