IPv4 R&E Routing Table Report 21:10 GMT Thu 15 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: 923597 Prefixes after maximum aggregation (per Origin AS): 350056 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 450831 Number of IPv4 prefixes with a valid ROA: 407605 Number of IPv4 prefixes with an invalid ROA: 2393 Number of IPv4 prefixes with no ROA: 513599 Total ASes present in the Internet Routing Table: 74506 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64051 Origin ASes announcing only one prefix: 26247 Transit ASes present in the Internet Routing Table: 10455 Transit-only ASes present in the Internet Routing Table: 431 Paths with bogon ASNs present in the IPv4 Routing Table: 67 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: 1058 Number of instances of unregistered ASNs: 1125 Number of 32-bit ASNs allocated by the RIRs: 42058 Number of 32-bit ASNs visible in the Routing Table: 34688 Prefixes from 32-bit ASNs in the Routing Table: 172619 Number of bogon 32-bit ASNs visible in the Routing Table: 181 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 591 Number of addresses announced to Internet: 3055894016 Equivalent to 182 /8s, 37 /16s and 62 /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: 308156 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243596 Total APNIC prefixes after maximum aggregation: 68991 APNIC Deaggregation factor: 3.53 Prefixes being announced from the APNIC address blocks: 237679 Unique aggregates announced from the APNIC address blocks: 98501 APNIC Region origin ASes present in the Internet Routing Table: 13450 APNIC Prefixes per ASN: 17.67 APNIC Region origin ASes announcing only one prefix: 3967 APNIC Region transit ASes present in the Internet Routing Table: 1798 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: 8780 Number of APNIC addresses announced to Internet: 773330944 Equivalent to 46 /8s, 24 /16s and 24 /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: 270723 Total ARIN prefixes after maximum aggregation: 123172 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 273287 Unique aggregates announced from the ARIN address blocks: 130531 ARIN Region origin ASes present in the Internet Routing Table: 19113 ARIN Prefixes per ASN: 14.30 ARIN Region origin ASes announcing only one prefix: 6987 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: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4807 Number of ARIN addresses announced to Internet: 1280051712 Equivalent to 76 /8s, 76 /16s and 10 /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: 259996 Total RIPE prefixes after maximum aggregation: 122796 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256155 Unique aggregates announced from the RIPE address blocks: 159290 RIPE Region origin ASes present in the Internet Routing Table: 28346 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12032 RIPE Region transit ASes present in the Internet Routing Table: 3905 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11204 Number of RIPE addresses announced to Internet: 717710592 Equivalent to 42 /8s, 199 /16s and 101 /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: 118722 Total LACNIC prefixes after maximum aggregation: 28494 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117844 Unique aggregates announced from the LACNIC address blocks: 49495 LACNIC Region origin ASes present in the Internet Routing Table: 11011 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2651 LACNIC Region transit ASes present in the Internet Routing Table: 2298 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: 8796 Number of LACNIC addresses announced to Internet: 177004544 Equivalent to 10 /8s, 140 /16s and 224 /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: 29502 Total AfriNIC prefixes after maximum aggregation: 5846 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 38040 Unique aggregates announced from the AfriNIC address blocks: 12529 AfriNIC Region origin ASes present in the Internet Routing Table: 1753 AfriNIC Prefixes per ASN: 21.70 AfriNIC Region origin ASes announcing only one prefix: 610 AfriNIC Region transit ASes present in the Internet Routing Table: 332 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: 1101 Number of AfriNIC addresses announced to Internet: 107389184 Equivalent to 6 /8s, 102 /16s and 161 /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 9515 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5721 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4217 347 25 FPT-AS-AP FPT Telecom Company, VN 7713 3535 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3362 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3360 1851 90 VNPT-AS-VN VNPT Corp, VN 9498 3024 498 252 BBIL-AP BHARTI Airtel Ltd., IN 4538 2731 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2425 836 444 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 8503 10833 3107 AMAZON-02, US 11492 4516 299 609 CABLEONE, US 7155 4105 284 78 VIASAT-SP-BACKBONE, US 22773 3566 3067 266 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3523 1319 66 SHAW, CA 749 3125 54969 2377 DNIC-AS-00749, US 16625 3108 1549 2342 AKAMAI-AS, US 396982 2662 3593 376 GOOGLE-CLOUD-PLATFORM, US 30036 2505 360 411 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2468 24007 1565 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 7300 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4083 3398 162 AKAMAI-ASN1, NL 8551 3459 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2944 2292 912 ROSTELECOM-AS, RU 9009 2663 247 1385 M247, RO 34984 2298 361 607 TELLCOM-AS, TR 6849 1970 307 17 UKRTELNET, UA 58224 1826 945 537 TCI, IR 61317 1639 110 1269 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 11399 3372 593 Uninet S.A. de C.V., MX 10620 3530 507 838 Telmex Colombia S.A., CO 13999 2355 352 627 Mega Cable, S.A. de C.V., MX 11830 2269 369 64 Instituto Costarricense de Electricidad 28573 1319 2323 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1299 766 165 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1296 343 511 Axtel, S.A.B. de C.V., MX 6147 1133 370 22 Telefonica del Peru S.A.A., PE 11664 1106 181 438 Techtel LMDS Comunicaciones Interactiva 26615 1034 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 1581 393 19 LINKdotNET-AS, EG 24835 1536 533 27 RAYA-AS, EG 36992 1308 1518 281 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1038 67 47 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 522 54 46 WANANCHI-, KE 24757 493 73 5 EthioNet-AS, ET 37342 478 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 11399 3372 593 Uninet S.A. de C.V., MX 9808 9515 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8503 10833 3107 AMAZON-02, US 12479 7300 1706 141 UNI2-AS, ES 7545 5721 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4516 299 609 CABLEONE, US 18403 4217 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4105 284 78 VIASAT-SP-BACKBONE, US 20940 4083 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 9515 9478 CHINAMOBILE-CN China Mobile Communications Grou 12479 7300 7159 UNI2-AS, ES 16509 8503 5396 AMAZON-02, US 7545 5721 5031 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4217 4192 FPT-AS-AP FPT Telecom Company, VN 7155 4105 4027 VIASAT-SP-BACKBONE, US 20940 4083 3921 AKAMAI-ASN1, NL 11492 4516 3907 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 19695 UNALLOCATED 8.20.161.0/24 46887 LIGHTOWER, 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 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 /14:1197 /15:2100 /16:13475 /17:8222 /18:13807 /19:25016 /20:43537 /21:51381 /22:109744 /23:98470 /24:555592 /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 6388 7300 UNI2-AS, ES 8151 5334 11399 Uninet S.A. de C.V., MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3426 4516 CABLEONE, US 6327 3334 3523 SHAW, CA 7155 3090 4105 VIASAT-SP-BACKBONE, US 8551 2927 3459 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2632 3566 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2161 2505 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2085 3530 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) ---------------------------------------------- 1:2150 2:1283 3:204 4:5 5:4541 6:132 7:6 8:1523 9:1 11:172 12:1530 13:388 14:2303 15:304 16:193 17:370 18:453 20:262 21:4 22:188 23:6298 24:2592 25:6 27:2573 29:19 31:2513 32:78 34:22 35:111 36:1953 37:4684 38:4911 39:846 40:151 41:3913 42:2014 43:2331 44:308 45:16554 46:4298 47:376 49:1740 50:1874 51:584 52:1594 54:393 55:869 56:8 57:119 58:1894 59:1100 60:988 61:2528 62:2636 63:1902 64:5677 65:2317 66:5058 67:3063 68:1346 69:4129 70:1200 71:681 72:2990 74:2622 75:1558 76:615 77:2456 78:1825 79:2990 80:2112 81:1797 82:1496 83:1258 84:1531 85:3017 86:756 87:2015 88:1179 89:3745 90:616 91:7756 92:2044 93:2622 94:3618 95:4046 96:1317 97:336 98:1156 99:744 100:92 101:1080 102:2791 103:31626 104:4607 105:499 106:879 107:2579 108:1052 109:4205 110:2111 111:3123 112:2045 113:1730 114:1661 115:2047 116:1889 117:2524 118:2613 119:1989 120:1803 121:1097 122:2609 123:2153 124:1562 125:2493 128:1484 129:1057 130:1016 131:1989 132:857 133:422 134:1824 135:307 136:881 137:1090 138:2582 139:1553 140:1262 141:1439 142:1462 143:1504 144:1129 145:344 146:1960 147:1594 148:2436 149:2241 150:887 151:1159 152:1821 153:557 154:4592 155:1421 156:1823 157:1319 158:1092 159:2269 160:2569 161:1548 162:3524 163:1590 164:1629 165:1835 166:1097 167:1722 168:3867 169:951 170:4582 171:881 172:3582 173:2970 174:1072 175:1184 176:3711 177:4610 178:3617 179:2170 180:2551 181:3503 182:3394 183:2079 184:2338 185:20347 186:4839 187:3978 188:4111 189:3675 190:9223 191:1465 192:10929 193:8907 194:7343 195:5164 196:3132 197:2387 198:5969 199:6089 200:8004 201:5933 202:10543 203:10309 204:4565 205:3712 206:4305 207:3447 208:4120 209:4906 210:4380 211:2466 212:4230 213:3648 214:1080 215:59 216:6658 217:2732 218:1305 219:473 220:1999 221:966 222:754 223:2152 End of report