IPv4 R&E Routing Table Report 21:10 GMT Thu 13 Jul, 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: 925307 Prefixes after maximum aggregation (per Origin AS): 350738 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 452070 Number of IPv4 prefixes with a valid ROA: 412569 Number of IPv4 prefixes with an invalid ROA: 2370 Number of IPv4 prefixes with no ROA: 510368 Total ASes present in the Internet Routing Table: 74563 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64089 Origin ASes announcing only one prefix: 26302 Transit ASes present in the Internet Routing Table: 10474 Transit-only ASes present in the Internet Routing Table: 436 Paths with bogon ASNs present in the IPv4 Routing Table: 60 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 130 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1093 Number of instances of unregistered ASNs: 1112 Number of 32-bit ASNs allocated by the RIRs: 42288 Number of 32-bit ASNs visible in the Routing Table: 34796 Prefixes from 32-bit ASNs in the Routing Table: 173340 Number of bogon 32-bit ASNs visible in the Routing Table: 89 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 554 Number of addresses announced to Internet: 3053175808 Equivalent to 181 /8s, 251 /16s and 196 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 308582 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243779 Total APNIC prefixes after maximum aggregation: 69281 APNIC Deaggregation factor: 3.52 Prefixes being announced from the APNIC address blocks: 237628 Unique aggregates announced from the APNIC address blocks: 98708 APNIC Region origin ASes present in the Internet Routing Table: 13483 APNIC Prefixes per ASN: 17.62 APNIC Region origin ASes announcing only one prefix: 3983 APNIC Region transit ASes present in the Internet Routing Table: 1795 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8823 Number of APNIC addresses announced to Internet: 773272832 Equivalent to 46 /8s, 23 /16s and 53 /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: 271402 Total ARIN prefixes after maximum aggregation: 123494 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 273698 Unique aggregates announced from the ARIN address blocks: 130779 ARIN Region origin ASes present in the Internet Routing Table: 19088 ARIN Prefixes per ASN: 14.34 ARIN Region origin ASes announcing only one prefix: 6965 ARIN Region transit ASes present in the Internet Routing Table: 1930 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4808 Number of ARIN addresses announced to Internet: 1276800512 Equivalent to 76 /8s, 26 /16s and 110 /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: 260264 Total RIPE prefixes after maximum aggregation: 122732 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256867 Unique aggregates announced from the RIPE address blocks: 159840 RIPE Region origin ASes present in the Internet Routing Table: 28366 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12052 RIPE Region transit ASes present in the Internet Routing Table: 3892 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11237 Number of RIPE addresses announced to Internet: 716780800 Equivalent to 42 /8s, 185 /16s and 53 /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 196608-213403 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: 119050 Total LACNIC prefixes after maximum aggregation: 28607 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 118176 Unique aggregates announced from the LACNIC address blocks: 49570 LACNIC Region origin ASes present in the Internet Routing Table: 11022 LACNIC Prefixes per ASN: 10.72 LACNIC Region origin ASes announcing only one prefix: 2686 LACNIC Region transit ASes present in the Internet Routing Table: 2331 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 32 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8812 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: 29719 Total AfriNIC prefixes after maximum aggregation: 5882 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 38383 Unique aggregates announced from the AfriNIC address blocks: 12718 AfriNIC Region origin ASes present in the Internet Routing Table: 1767 AfriNIC Prefixes per ASN: 21.72 AfriNIC Region origin ASes announcing only one prefix: 616 AfriNIC Region transit ASes present in the Internet Routing Table: 334 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 130 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1116 Number of AfriNIC addresses announced to Internet: 107572736 Equivalent to 6 /8s, 105 /16s and 110 /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 9524 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5679 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4239 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3533 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3364 1867 87 VNPT-AS-VN VNPT Corp, VN 7552 3335 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3047 497 247 BBIL-AP BHARTI Airtel Ltd., IN 4538 2733 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2444 834 445 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11270 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 8689 10870 3137 AMAZON-02, US 11492 4517 300 629 CABLEONE, US 7155 4143 285 76 VIASAT-SP-BACKBONE, US 22773 3548 3070 269 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1319 66 SHAW, CA 16625 3143 1556 2358 AKAMAI-AS, US 749 3142 54962 2394 DNIC-AS-00749, US 367 2748 3750 1316 DNIC-ASBLK-00306-00371, US 396982 2677 3594 384 GOOGLE-CLOUD-PLATFORM, US 30036 2504 361 396 MEDIACOM-ENTERPRISE-BUSINESS, 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 7299 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4084 3398 160 AKAMAI-ASN1, NL 8551 3467 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2948 2294 913 ROSTELECOM-AS, RU 9009 2651 246 1374 M247, RO 34984 2307 361 609 TELLCOM-AS, TR 58224 1824 946 535 TCI, IR 6849 1809 307 17 UKRTELNET, UA 13188 1606 100 27 TRIOLAN, UA 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 11569 3375 591 UNINET, MX 10620 3529 507 840 Telmex Colombia S.A., CO 13999 2400 359 632 Mega Cable, S.A. de C.V., MX 11830 2225 369 64 Instituto Costarricense de Electricidad 28573 1318 2324 239 Claro NXT Telecomunicacoes Ltda, BR 6503 1304 344 512 Axtel, S.A.B. de C.V., MX 3816 1301 767 167 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1130 370 22 Telefonica del Peru S.A.A., PE 11664 1107 177 435 Techtel LMDS Comunicaciones Interactiva 26615 1037 2500 47 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 1627 393 19 LINKdotNET-AS, EG 24835 1548 533 27 RAYA-AS, EG 36992 1352 1518 282 ETISALAT-MISR, EG 36903 1241 550 98 MT-MPLS, MA 29571 1052 67 45 ORANGE-COTE-IVOIRE, CI 36935 923 521 44 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 525 54 47 WANANCHI-, KE 24757 488 73 5 EthioNet-AS, ET 37342 466 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 11569 3375 591 UNINET, MX 9808 9524 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8689 10870 3137 AMAZON-02, US 12479 7299 1706 141 UNI2-AS, ES 7545 5679 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4517 300 629 CABLEONE, US 18403 4239 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4143 285 76 VIASAT-SP-BACKBONE, US 20940 4084 3398 160 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 9524 9487 CHINAMOBILE-CN China Mobile Communications Grou 12479 7299 7158 UNI2-AS, ES 16509 8689 5552 AMAZON-02, US 7545 5679 4988 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4239 4214 FPT-AS-AP FPT Telecom Company, VN 7155 4143 4067 VIASAT-SP-BACKBONE, US 20940 4084 3924 AKAMAI-ASN1, NL 11492 4517 3888 CABLEONE, US 7713 3533 3470 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 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 19695 UNALLOCATED 8.20.161.0/24 7015 COMCAST-7015, 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.157.200.0/24 Origin: 46983 UNASSIGNED 23.157.200.0/24 Transit: 20473 AS-CHOOPA, US 23.176.160.0/24 Origin: 397327 UNASSIGNED 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 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 /10:39 /11:103 /12:296 /13:577 /14:1198 /15:2106 /16:13466 /17:8243 /18:13825 /19:25069 /20:43862 /21:51471 /22:109888 /23:98674 /24:556459 /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 6387 7299 UNI2-AS, ES 8151 5500 11569 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3427 4517 CABLEONE, US 6327 3335 3525 SHAW, CA 7155 3094 4143 VIASAT-SP-BACKBONE, US 8551 2936 3467 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2613 3548 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2159 2504 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2087 3529 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) ---------------------------------------------- 1:2172 2:1351 3:226 4:5 5:4506 6:130 7:6 8:1528 9:1 11:172 12:1519 13:381 14:2311 15:299 16:193 17:376 18:506 20:268 21:4 22:188 23:6361 24:2604 25:4 27:2552 29:19 31:2528 32:77 34:25 35:113 36:1945 37:4701 38:4990 39:829 40:152 41:3931 42:2017 43:2314 44:305 45:16659 46:4349 47:376 49:1758 50:1862 51:586 52:1591 54:396 55:973 56:8 57:120 58:1891 59:1149 60:985 61:2477 62:2634 63:1904 64:5616 65:2315 66:4981 67:3058 68:1333 69:4102 70:1210 71:683 72:2986 74:2634 75:1568 76:618 77:2447 78:1833 79:2980 80:2106 81:1788 82:1497 83:1263 84:1542 85:2992 86:765 87:2007 88:1184 89:3841 90:613 91:7790 92:2042 93:2601 94:3574 95:4050 96:1310 97:334 98:1165 99:735 100:96 101:1316 102:2849 103:31766 104:4576 105:505 106:876 107:2556 108:1092 109:4242 110:2100 111:3123 112:2021 113:1740 114:1630 115:2027 116:1894 117:2532 118:2619 119:1988 120:1795 121:1101 122:2593 123:2158 124:1565 125:2476 128:1475 129:1051 130:1022 131:2005 132:858 133:422 134:1799 135:307 136:888 137:1104 138:2560 139:1576 140:1258 141:1309 142:1467 143:1506 144:989 145:341 146:1973 147:1589 148:2441 149:2140 150:888 151:1166 152:1838 153:561 154:4708 155:1360 156:1833 157:1313 158:1088 159:2268 160:2590 161:1562 162:3522 163:1575 164:1626 165:1878 166:1068 167:1729 168:3883 169:950 170:4624 171:874 172:3645 173:2962 174:1090 175:1189 176:3743 177:4535 178:3610 179:2173 180:2561 181:3490 182:3395 183:1995 184:2323 185:20497 186:4776 187:4081 188:4104 189:3723 190:9244 191:1378 192:10924 193:8950 194:7328 195:5144 196:3125 197:2375 198:5991 199:6112 200:8069 201:5945 202:10521 203:10273 204:4564 205:3704 206:4335 207:3454 208:4143 209:4934 210:4402 211:2470 212:4233 213:3600 214:1090 215:59 216:6671 217:2759 218:1308 219:477 220:1999 221:968 222:753 223:2155 End of report