IPv4 R&E Routing Table Report 21:10 GMT Mon 12 Jun, 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: 923222 Prefixes after maximum aggregation (per Origin AS): 349993 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 450532 Number of IPv4 prefixes with a valid ROA: 406792 Number of IPv4 prefixes with an invalid ROA: 2408 Number of IPv4 prefixes with no ROA: 514022 Total ASes present in the Internet Routing Table: 74488 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 64045 Origin ASes announcing only one prefix: 26271 Transit ASes present in the Internet Routing Table: 10443 Transit-only ASes present in the Internet Routing Table: 426 Paths with bogon ASNs present in the IPv4 Routing Table: 69 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: 1040 Number of instances of unregistered ASNs: 1112 Number of 32-bit ASNs allocated by the RIRs: 42071 Number of 32-bit ASNs visible in the Routing Table: 34674 Prefixes from 32-bit ASNs in the Routing Table: 172560 Number of bogon 32-bit ASNs visible in the Routing Table: 186 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 572 Number of addresses announced to Internet: 3055459840 Equivalent to 182 /8s, 30 /16s and 158 /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: 308129 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243489 Total APNIC prefixes after maximum aggregation: 69034 APNIC Deaggregation factor: 3.53 Prefixes being announced from the APNIC address blocks: 237516 Unique aggregates announced from the APNIC address blocks: 98436 APNIC Region origin ASes present in the Internet Routing Table: 13450 APNIC Prefixes per ASN: 17.66 APNIC Region origin ASes announcing only one prefix: 3977 APNIC Region transit ASes present in the Internet Routing Table: 1797 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8771 Number of APNIC addresses announced to Internet: 773167616 Equivalent to 46 /8s, 21 /16s and 154 /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: 270569 Total ARIN prefixes after maximum aggregation: 123141 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 273204 Unique aggregates announced from the ARIN address blocks: 130594 ARIN Region origin ASes present in the Internet Routing Table: 19132 ARIN Prefixes per ASN: 14.28 ARIN Region origin ASes announcing only one prefix: 7003 ARIN Region transit ASes present in the Internet Routing Table: 1928 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4808 Number of ARIN addresses announced to Internet: 1280105216 Equivalent to 76 /8s, 76 /16s and 219 /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: 259876 Total RIPE prefixes after maximum aggregation: 122758 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256062 Unique aggregates announced from the RIPE address blocks: 159075 RIPE Region origin ASes present in the Internet Routing Table: 28333 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12037 RIPE Region transit ASes present in the Internet Routing Table: 3901 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 63 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11202 Number of RIPE addresses announced to Internet: 717611264 Equivalent to 42 /8s, 197 /16s and 225 /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: 118775 Total LACNIC prefixes after maximum aggregation: 28480 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117908 Unique aggregates announced from the LACNIC address blocks: 49481 LACNIC Region origin ASes present in the Internet Routing Table: 11009 LACNIC Prefixes per ASN: 10.71 LACNIC Region origin ASes announcing only one prefix: 2644 LACNIC Region transit ASes present in the Internet Routing Table: 2294 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8795 Number of LACNIC addresses announced to Internet: 176996608 Equivalent to 10 /8s, 140 /16s and 193 /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: 29473 Total AfriNIC prefixes after maximum aggregation: 5842 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 37959 Unique aggregates announced from the AfriNIC address blocks: 12478 AfriNIC Region origin ASes present in the Internet Routing Table: 1750 AfriNIC Prefixes per ASN: 21.69 AfriNIC Region origin ASes announcing only one prefix: 610 AfriNIC Region transit ASes present in the Internet Routing Table: 334 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 130 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1098 Number of AfriNIC addresses announced to Internet: 107186944 Equivalent to 6 /8s, 99 /16s and 139 /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 9509 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5724 784 692 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4182 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3535 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3376 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3364 1851 90 VNPT-AS-VN VNPT Corp, VN 9498 3023 498 252 BBIL-AP BHARTI Airtel Ltd., IN 4538 2730 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2421 837 446 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2288 11252 579 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 8491 10834 3092 AMAZON-02, US 11492 4523 300 606 CABLEONE, US 7155 4106 284 78 VIASAT-SP-BACKBONE, US 22773 3572 3068 269 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3523 1319 66 SHAW, CA 749 3126 54969 2378 DNIC-AS-00749, US 16625 3112 1552 2350 AKAMAI-AS, US 396982 2662 3593 376 GOOGLE-CLOUD-PLATFORM, US 30036 2504 360 419 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2470 24004 1560 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 7301 1706 140 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4090 3398 162 AKAMAI-ASN1, NL 8551 3462 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2943 2291 911 ROSTELECOM-AS, RU 9009 2668 248 1386 M247, RO 34984 2276 360 600 TELLCOM-AS, TR 6849 1970 307 17 UKRTELNET, UA 58224 1827 946 534 TCI, IR 61317 1654 110 1282 ASDETUK www.heficed.com, US 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 11404 3362 599 Uninet S.A. de C.V., MX 10620 3529 507 838 Telmex Colombia S.A., CO 13999 2350 351 626 Mega Cable, S.A. de C.V., MX 11830 2269 369 64 Instituto Costarricense de Electricidad 28573 1320 2324 238 Claro NXT Telecomunicacoes Ltda, BR 6503 1303 343 512 Axtel, S.A.B. de C.V., MX 3816 1296 763 171 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1134 370 22 Telefonica del Peru S.A.A., PE 11664 1102 180 438 Techtel LMDS Comunicaciones Interactiva 26615 1025 2498 45 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 1579 393 19 LINKdotNET-AS, EG 24835 1536 533 27 RAYA-AS, EG 36992 1305 1518 281 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1036 67 47 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 522 54 46 WANANCHI-, KE 24757 492 73 5 EthioNet-AS, ET 37342 480 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 11404 3362 599 Uninet S.A. de C.V., MX 9808 9509 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8491 10834 3092 AMAZON-02, US 12479 7301 1706 140 UNI2-AS, ES 7545 5724 784 692 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4523 300 606 CABLEONE, US 18403 4182 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4106 284 78 VIASAT-SP-BACKBONE, US 20940 4090 3398 162 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 9509 9472 CHINAMOBILE-CN China Mobile Communications Grou 12479 7301 7161 UNI2-AS, ES 16509 8491 5399 AMAZON-02, US 7545 5724 5032 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4182 4157 FPT-AS-AP FPT Telecom Company, VN 7155 4106 4028 VIASAT-SP-BACKBONE, US 20940 4090 3928 AKAMAI-ASN1, NL 11492 4523 3917 CABLEONE, US 7713 3535 3469 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 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 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, 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 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 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 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 /12:301 /13:582 /14:1198 /15:2095 /16:13472 /17:8221 /18:13810 /19:25013 /20:43493 /21:51373 /22:109757 /23:98390 /24:555344 /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 6390 7301 UNI2-AS, ES 8151 5361 11404 Uninet S.A. de C.V., MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3432 4523 CABLEONE, US 6327 3334 3523 SHAW, CA 7155 3091 4106 VIASAT-SP-BACKBONE, US 8551 2930 3462 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2638 3572 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2160 2504 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2085 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) ---------------------------------------------- 1:2140 2:1278 3:199 4:5 5:4535 6:131 7:6 8:1522 9:1 11:172 12:1532 13:388 14:2304 15:304 16:193 17:370 18:450 20:262 21:4 22:188 23:6297 24:2604 25:6 27:2551 29:19 31:2511 32:78 34:22 35:111 36:1956 37:4691 38:4848 39:846 40:151 41:3909 42:1996 43:2331 44:306 45:16558 46:4293 47:377 49:1742 50:1871 51:585 52:1594 54:393 55:868 56:8 57:121 58:1893 59:1099 60:988 61:2516 62:2640 63:1904 64:5679 65:2323 66:5045 67:3057 68:1346 69:4133 70:1206 71:680 72:2987 74:2617 75:1558 76:611 77:2446 78:1823 79:2987 80:2110 81:1791 82:1499 83:1260 84:1527 85:3018 86:750 87:2015 88:1178 89:3742 90:614 91:7762 92:2051 93:2623 94:3617 95:4057 96:1312 97:332 98:1151 99:744 100:87 101:1078 102:2775 103:31594 104:4594 105:505 106:879 107:2583 108:1053 109:4202 110:2102 111:3117 112:2036 113:1726 114:1661 115:2048 116:1887 117:2516 118:2617 119:2003 120:1800 121:1097 122:2605 123:2148 124:1564 125:2488 128:1478 129:1056 130:1010 131:1988 132:856 133:420 134:1830 135:307 136:879 137:1097 138:2592 139:1546 140:1256 141:1431 142:1460 143:1519 144:1133 145:344 146:1957 147:1595 148:2429 149:2231 150:892 151:1152 152:1810 153:568 154:4541 155:1429 156:1830 157:1318 158:1089 159:2256 160:2550 161:1559 162:3515 163:1588 164:1633 165:1833 166:1094 167:1722 168:3883 169:949 170:4613 171:884 172:3584 173:2969 174:1069 175:1186 176:3710 177:4608 178:3606 179:2183 180:2556 181:3494 182:3392 183:2080 184:2347 185:20336 186:4843 187:3976 188:4110 189:3695 190:9233 191:1479 192:10934 193:8909 194:7340 195:5161 196:3124 197:2391 198:5968 199:6098 200:8005 201:5937 202:10557 203:10312 204:4569 205:3702 206:4295 207:3463 208:4113 209:4900 210:4374 211:2465 212:4223 213:3639 214:1090 215:59 216:6672 217:2732 218:1306 219:473 220:1997 221:968 222:755 223:2152 End of report