IPv4 R&E Routing Table Report 21:10 GMT Wed 03 May, 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: 918889 Prefixes after maximum aggregation (per Origin AS): 348314 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 447995 Number of IPv4 prefixes with a valid ROA: 396065 Number of IPv4 prefixes with an invalid ROA: 2765 Number of IPv4 prefixes with no ROA: 520059 Total ASes present in the Internet Routing Table: 74344 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63845 Origin ASes announcing only one prefix: 26195 Transit ASes present in the Internet Routing Table: 10499 Transit-only ASes present in the Internet Routing Table: 434 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: 87 Max AS path prepend of ASN ( 37447) 85 Prefixes from unregistered ASNs in the Routing Table: 1103 Number of instances of unregistered ASNs: 1162 Number of 32-bit ASNs allocated by the RIRs: 41781 Number of 32-bit ASNs visible in the Routing Table: 34523 Prefixes from 32-bit ASNs in the Routing Table: 170961 Number of bogon 32-bit ASNs visible in the Routing Table: 163 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 635 Number of addresses announced to Internet: 3059383296 Equivalent to 182 /8s, 90 /16s and 124 /24s Percentage of available address space announced: 82.6 Percentage of allocated address space announced: 82.6 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: 306719 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241566 Total APNIC prefixes after maximum aggregation: 68797 APNIC Deaggregation factor: 3.51 Prefixes being announced from the APNIC address blocks: 235709 Unique aggregates announced from the APNIC address blocks: 97844 APNIC Region origin ASes present in the Internet Routing Table: 13387 APNIC Prefixes per ASN: 17.61 APNIC Region origin ASes announcing only one prefix: 3930 APNIC Region transit ASes present in the Internet Routing Table: 1800 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: 8708 Number of APNIC addresses announced to Internet: 773083392 Equivalent to 46 /8s, 20 /16s and 81 /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, 131072-151865 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: 269334 Total ARIN prefixes after maximum aggregation: 122330 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 271859 Unique aggregates announced from the ARIN address blocks: 129962 ARIN Region origin ASes present in the Internet Routing Table: 19077 ARIN Prefixes per ASN: 14.25 ARIN Region origin ASes announcing only one prefix: 6960 ARIN Region transit ASes present in the Internet Routing Table: 1935 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: 4787 Number of ARIN addresses announced to Internet: 1283390464 Equivalent to 76 /8s, 126 /16s and 252 /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: 259427 Total RIPE prefixes after maximum aggregation: 122180 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255576 Unique aggregates announced from the RIPE address blocks: 158061 RIPE Region origin ASes present in the Internet Routing Table: 28324 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12059 RIPE Region transit ASes present in the Internet Routing Table: 3917 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11165 Number of RIPE addresses announced to Internet: 718000896 Equivalent to 42 /8s, 203 /16s and 211 /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: 118125 Total LACNIC prefixes after maximum aggregation: 28406 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117394 Unique aggregates announced from the LACNIC address blocks: 49302 LACNIC Region origin ASes present in the Internet Routing Table: 10983 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2639 LACNIC Region transit ASes present in the Internet Routing Table: 2297 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8774 Number of LACNIC addresses announced to Internet: 176717568 Equivalent to 10 /8s, 136 /16s and 127 /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: 29334 Total AfriNIC prefixes after maximum aggregation: 5808 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 37715 Unique aggregates announced from the AfriNIC address blocks: 12300 AfriNIC Region origin ASes present in the Internet Routing Table: 1739 AfriNIC Prefixes per ASN: 21.69 AfriNIC Region origin ASes announcing only one prefix: 607 AfriNIC Region transit ASes present in the Internet Routing Table: 335 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 87 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1089 Number of AfriNIC addresses announced to Internet: 107773184 Equivalent to 6 /8s, 108 /16s and 125 /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 9477 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5722 787 693 TPG-INTERNET-AP TPG Telecom Limited, AU 45899 4041 1872 41 VNPT-AS-VN VNPT Corp, VN 7713 3561 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3227 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 2948 490 235 BBIL-AP BHARTI Airtel Ltd., IN 4538 2748 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2384 836 445 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2303 11250 586 KIXS-AS-KR Korea Telecom, KR 45090 2184 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 8276 10781 2944 AMAZON-02, US 11492 4536 300 612 CABLEONE, US 7155 3976 281 51 VIASAT-SP-BACKBONE, US 22773 3593 3074 285 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3523 1320 64 SHAW, CA 16625 3163 1575 2353 AKAMAI-AS, US 749 3101 54980 2353 DNIC-AS-00749, US 396982 2636 3591 367 GOOGLE-CLOUD-PLATFORM, US 7018 2525 24151 1583 ATT-INTERNET4, US 30036 2500 360 446 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 7260 1706 140 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4081 3399 166 AKAMAI-ASN1, NL 8551 3884 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2929 2292 909 ROSTELECOM-AS, RU 9009 2714 252 1401 M247, RO 34984 2274 359 612 TELLCOM-AS, TR 6849 2018 307 18 UKRTELNET, UA 58224 1853 950 535 TCI, IR 13188 1607 100 18 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 11258 3343 592 Uninet S.A. de C.V., MX 10620 3510 507 854 Telmex Colombia S.A., CO 13999 2339 359 619 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1333 2324 240 Claro NXT Telecomunicacoes Ltda, BR 6503 1300 339 515 Axtel, S.A.B. de C.V., MX 3816 1293 760 170 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1132 370 22 Telefonica del Peru S.A.A., PE 11664 1099 180 445 Techtel LMDS Comunicaciones Interactiva 26615 1035 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 1591 393 19 LINKdotNET-AS, EG 24835 1553 533 30 RAYA-AS, EG 36992 1338 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1018 67 46 ORANGE-COTE-IVOIRE, CI 36935 875 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 521 54 46 WANANCHI-, KE 24757 490 73 5 EthioNet-AS, ET 37342 490 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 11258 3343 592 Uninet S.A. de C.V., MX 9808 9477 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8276 10781 2944 AMAZON-02, US 12479 7260 1706 140 UNI2-AS, ES 7545 5722 787 693 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4536 300 612 CABLEONE, US 20940 4081 3399 166 AKAMAI-ASN1, NL 45899 4041 1872 41 VNPT-AS-VN VNPT Corp, VN 7155 3976 281 51 VIASAT-SP-BACKBONE, US 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 9477 9440 CHINAMOBILE-CN China Mobile Communications Grou 12479 7260 7120 UNI2-AS, ES 16509 8276 5332 AMAZON-02, US 7545 5722 5029 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 45899 4041 4000 VNPT-AS-VN VNPT Corp, VN 7155 3976 3925 VIASAT-SP-BACKBONE, US 11492 4536 3924 CABLEONE, US 20940 4081 3915 AKAMAI-ASN1, NL 8551 3884 3847 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 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 3507 UNALLOCATED 5.105.166.0/24 213035 AS-SERVERION Serverion B.V., 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 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 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 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 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 /11:105 /12:300 /13:579 /14:1196 /15:2088 /16:13470 /17:8226 /18:14242 /19:25055 /20:43737 /21:51162 /22:109400 /23:97826 /24:551433 /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 6321 7260 UNI2-AS, ES 8151 5208 11258 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3445 4536 CABLEONE, US 8551 3356 3884 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3333 3523 SHAW, CA 7155 3043 3976 VIASAT-SP-BACKBONE, US 22773 2655 3593 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2157 2500 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2064 3510 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) ---------------------------------------------- 1:1780 2:1296 3:175 4:5 5:4515 6:127 7:6 8:1530 9:1 11:172 12:1536 13:387 14:2326 15:300 16:181 17:373 18:420 20:256 21:4 22:188 23:6239 24:2598 25:6 27:2538 29:19 31:2498 32:72 34:12 35:108 36:1939 37:4682 38:4543 39:827 40:150 41:3926 42:1246 43:2352 44:308 45:16550 46:4279 47:362 49:1731 50:1825 51:573 52:1593 54:389 55:856 56:8 57:117 58:1785 59:1153 60:991 61:2448 62:2634 63:1924 64:5664 65:2322 66:4996 67:3032 68:1351 69:4102 70:1235 71:679 72:2982 74:2609 75:1450 76:613 77:2451 78:1816 79:3174 80:2114 81:1768 82:1496 83:1280 84:1520 85:2960 86:766 87:2015 88:1174 89:3698 90:610 91:7742 92:2066 93:2620 94:3620 95:4015 96:1315 97:336 98:1154 99:745 100:74 101:1076 102:2707 103:31363 104:4653 105:488 106:866 107:2524 108:1027 109:4425 110:2104 111:3089 112:2033 113:1592 114:1637 115:2074 116:1897 117:2541 118:2374 119:2019 120:1797 121:1095 122:2595 123:2204 124:1563 125:2490 128:1393 129:1084 130:1019 131:2011 132:856 133:422 134:1901 135:304 136:878 137:1096 138:2568 139:1558 140:1241 141:1461 142:1439 143:1500 144:1166 145:346 146:1947 147:1581 148:2356 149:2219 150:884 151:1160 152:1813 153:568 154:4467 155:1444 156:1806 157:1309 158:1061 159:2316 160:2546 161:1536 162:3519 163:1568 164:1620 165:1733 166:1030 167:1737 168:3866 169:943 170:4582 171:859 172:3555 173:2930 174:1070 175:1185 176:3673 177:4605 178:3599 179:2155 180:2612 181:3457 182:3340 183:1975 184:2360 185:20195 186:4785 187:3966 188:4094 189:3576 190:9155 191:1440 192:10946 193:8867 194:7333 195:5157 196:3112 197:2379 198:5949 199:6104 200:8053 201:5880 202:10574 203:10278 204:4585 205:3676 206:4325 207:3449 208:4075 209:4844 210:4360 211:2441 212:4158 213:3601 214:1087 215:58 216:6640 217:2686 218:1316 219:470 220:2018 221:978 222:788 223:2150 End of report