IPv4 R&E Routing Table Report 21:10 GMT Fri 29 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: 938128 Prefixes after maximum aggregation (per Origin AS): 357130 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 456124 Number of IPv4 prefixes with a valid ROA: 436291 Number of IPv4 prefixes with an invalid ROA: 2211 Number of IPv4 prefixes with no ROA: 499626 Total ASes present in the Internet Routing Table: 75171 Prefixes per ASN: 12.48 Origin-only ASes present in the Internet Routing Table: 64601 Origin ASes announcing only one prefix: 26536 Transit ASes present in the Internet Routing Table: 10570 Transit-only ASes present in the Internet Routing Table: 475 Paths with bogon ASNs present in the IPv4 Routing Table: 44 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: 1078 Number of instances of unregistered ASNs: 1081 Number of 32-bit ASNs allocated by the RIRs: 43278 Number of 32-bit ASNs visible in the Routing Table: 35590 Prefixes from 32-bit ASNs in the Routing Table: 179393 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: 3044248576 Equivalent to 181 /8s, 115 /16s and 140 /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: 310738 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249379 Total APNIC prefixes after maximum aggregation: 71848 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 242478 Unique aggregates announced from the APNIC address blocks: 99563 APNIC Region origin ASes present in the Internet Routing Table: 13844 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: 1874 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: 9220 Number of APNIC addresses announced to Internet: 770664192 Equivalent to 45 /8s, 239 /16s and 103 /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: 274072 Total ARIN prefixes after maximum aggregation: 124527 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 278883 Unique aggregates announced from the ARIN address blocks: 132963 ARIN Region origin ASes present in the Internet Routing Table: 19077 ARIN Prefixes per ASN: 14.62 ARIN Region origin ASes announcing only one prefix: 6948 ARIN Region transit ASes present in the Internet Routing Table: 1928 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: 4829 Number of ARIN addresses announced to Internet: 1273434112 Equivalent to 75 /8s, 231 /16s and 16 /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: 262751 Total RIPE prefixes after maximum aggregation: 125122 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 257332 Unique aggregates announced from the RIPE address blocks: 160914 RIPE Region origin ASes present in the Internet Routing Table: 28500 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12110 RIPE Region transit ASes present in the Internet Routing Table: 3890 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: 11484 Number of RIPE addresses announced to Internet: 714360064 Equivalent to 42 /8s, 148 /16s and 69 /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: 120413 Total LACNIC prefixes after maximum aggregation: 28862 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 119053 Unique aggregates announced from the LACNIC address blocks: 49439 LACNIC Region origin ASes present in the Internet Routing Table: 11053 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2672 LACNIC Region transit ASes present in the Internet Routing Table: 2355 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: 178382592 Equivalent to 10 /8s, 161 /16s and 231 /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: 30435 Total AfriNIC prefixes after maximum aggregation: 6036 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 39875 Unique aggregates announced from the AfriNIC address blocks: 12825 AfriNIC Region origin ASes present in the Internet Routing Table: 1814 AfriNIC Prefixes per ASN: 21.98 AfriNIC Region origin ASes announcing only one prefix: 641 AfriNIC Region transit ASes present in the Internet Routing Table: 346 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: 1156 Number of AfriNIC addresses announced to Internet: 107114752 Equivalent to 6 /8s, 98 /16s and 113 /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 5673 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4541 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3834 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 3249 1867 93 VNPT-AS-VN VNPT Corp, VN 4538 2941 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2660 856 371 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 9452 11199 3362 AMAZON-02, US 11492 4563 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 2969 3840 1418 DNIC-ASBLK-00306-00371, US 396982 2740 3639 386 GOOGLE-CLOUD-PLATFORM, US 7018 2504 23622 1572 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 4012 3397 143 AKAMAI-ASN1, NL 9009 3487 300 1630 M247, RO 8551 3339 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 3000 2301 912 ROSTELECOM-AS, RU 34984 2326 359 597 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 12154 3384 590 UNINET, MX 10620 3519 497 886 Telmex Colombia S.A., CO 13999 2494 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 1107 178 422 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 1585 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 1071 69 52 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 36914 512 82 3 KENET-AS, KE 15399 503 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 12154 3384 590 UNINET, MX 9808 9784 8738 52 CHINAMOBILE-CN China Mobile Communicati 16509 9452 11199 3362 AMAZON-02, US 12479 7564 1714 146 UNI2-AS, ES 7545 5673 784 686 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4641 279 54 ALJAWWALSTC-AS, SA 11492 4563 303 680 CABLEONE, US 18403 4541 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4173 288 96 VIASAT-SP-BACKBONE, US 20940 4012 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 9452 6090 AMAZON-02, US 7545 5673 4987 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4641 4587 ALJAWWALSTC-AS, SA 18403 4541 4516 FPT-AS-AP FPT Telecom Company, VN 7155 4173 4077 VIASAT-SP-BACKBONE, US 11492 4563 3883 CABLEONE, US 20940 4012 3869 AKAMAI-ASN1, NL 7552 3834 3814 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 /13:580 /14:1191 /15:2088 /16:13431 /17:8239 /18:13773 /19:25011 /20:43916 /21:51911 /22:110733 /23:99925 /24:566865 /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 6162 12154 UNINET, MX 11492 3477 4563 CABLEONE, US 6327 3371 3566 SHAW, CA 39891 3324 4641 ALJAWWALSTC-AS, SA 7155 3117 4173 VIASAT-SP-BACKBONE, US 8551 2816 3339 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) ---------------------------------------------- 1:2273 2:1408 3:284 4:5 5:4403 6:163 7:6 8:1510 9:1 11:172 12:1488 13:375 14:2323 15:309 16:206 17:361 18:709 20:344 21:4 22:188 23:6577 24:2604 25:2 27:2626 29:19 31:2550 32:53 34:35 35:122 36:2127 37:4493 38:5812 39:884 40:147 41:4106 42:2200 43:2316 44:325 45:16708 46:4340 47:285 49:1895 50:1883 51:574 52:1593 54:368 55:889 56:5 57:131 58:1934 59:1162 60:1012 61:2586 62:2755 63:1908 64:5511 65:2223 66:5023 67:3038 68:1340 69:4058 70:1180 71:619 72:2921 74:2628 75:1547 76:629 77:2335 78:1827 79:2999 80:2113 81:1870 82:1533 83:1323 84:1631 85:2994 86:792 87:1960 88:1231 89:3962 90:657 91:7908 92:2173 93:2631 94:3594 95:4014 96:1298 97:315 98:1019 99:738 100:95 101:1160 102:3039 103:32565 104:4784 105:600 106:973 107:2761 108:1148 109:4164 110:2132 111:3150 112:2081 113:1710 114:1741 115:2055 116:1961 117:2634 118:2777 119:1960 120:1785 121:1297 122:2649 123:2197 124:1585 125:2797 128:1499 129:915 130:1076 131:1981 132:873 133:411 134:1703 135:304 136:913 137:1186 138:2726 139:1561 140:1343 141:1340 142:1541 143:1534 144:1000 145:340 146:2021 147:1637 148:2483 149:2388 150:1022 151:1311 152:1969 153:595 154:5520 155:1369 156:2111 157:1384 158:1079 159:2209 160:2616 161:1618 162:3601 163:1679 164:1633 165:2117 166:1075 167:1742 168:3839 169:794 170:4697 171:976 172:3775 173:3015 174:893 175:1219 176:3599 177:4733 178:3551 179:2224 180:2416 181:3644 182:3420 183:2027 184:2269 185:20528 186:4826 187:4361 188:4013 189:3965 190:9345 191:1501 192:11037 193:8986 194:7354 195:5225 196:3099 197:2594 198:6010 199:6823 200:8099 201:6255 202:10497 203:10242 204:4593 205:3676 206:4508 207:3496 208:4094 209:4955 210:4578 211:2533 212:4194 213:3393 214:1112 215:50 216:6778 217:2775 218:1330 219:477 220:2052 221:1024 222:784 223:2195 End of report