IPv4 R&E Routing Table Report 21:10 GMT Sat 23 Mar, 2024 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: 939246 Prefixes after maximum aggregation (per Origin AS): 358260 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 458236 Number of IPv4 prefixes with a valid ROA: 456599 Number of IPv4 prefixes with an invalid ROA: 1772 Number of IPv4 prefixes with no ROA: 480875 Total ASes present in the Internet Routing Table: 75456 Prefixes per ASN: 12.45 Origin-only ASes present in the Internet Routing Table: 64805 Origin ASes announcing only one prefix: 26546 Transit ASes present in the Internet Routing Table: 10651 Transit-only ASes present in the Internet Routing Table: 499 Paths with bogon ASNs present in the IPv4 Routing Table: 37 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 56 Max AS path prepend of ASN (151354) 50 Prefixes from unregistered ASNs in the Routing Table: 1072 Number of instances of unregistered ASNs: 1077 Number of 32-bit ASNs allocated by the RIRs: 43893 Number of 32-bit ASNs visible in the Routing Table: 36020 Prefixes from 32-bit ASNs in the Routing Table: 182799 Number of bogon 32-bit ASNs visible in the Routing Table: 26 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 589 Number of addresses announced to Internet: 3027612672 Equivalent to 180 /8s, 117 /16s and 180 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 81.8 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: 309448 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 248400 Total APNIC prefixes after maximum aggregation: 72397 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 241102 Unique aggregates announced from the APNIC address blocks: 99980 APNIC Region origin ASes present in the Internet Routing Table: 13990 APNIC Prefixes per ASN: 17.23 APNIC Region origin ASes announcing only one prefix: 4233 APNIC Region transit ASes present in the Internet Routing Table: 1867 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 54 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9403 Number of APNIC addresses announced to Internet: 760387584 Equivalent to 45 /8s, 82 /16s and 152 /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: 274424 Total ARIN prefixes after maximum aggregation: 123916 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 278936 Unique aggregates announced from the ARIN address blocks: 132415 ARIN Region origin ASes present in the Internet Routing Table: 19123 ARIN Prefixes per ASN: 14.59 ARIN Region origin ASes announcing only one prefix: 6957 ARIN Region transit ASes present in the Internet Routing Table: 1961 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: 4868 Number of ARIN addresses announced to Internet: 1269136128 Equivalent to 75 /8s, 165 /16s and 123 /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: 263577 Total RIPE prefixes after maximum aggregation: 126250 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 258840 Unique aggregates announced from the RIPE address blocks: 162789 RIPE Region origin ASes present in the Internet Routing Table: 28558 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12088 RIPE Region transit ASes present in the Internet Routing Table: 3932 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 38 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11657 Number of RIPE addresses announced to Internet: 714842112 Equivalent to 42 /8s, 155 /16s and 160 /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: 121021 Total LACNIC prefixes after maximum aggregation: 28844 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119382 Unique aggregates announced from the LACNIC address blocks: 49581 LACNIC Region origin ASes present in the Internet Routing Table: 11051 LACNIC Prefixes per ASN: 10.80 LACNIC Region origin ASes announcing only one prefix: 2618 LACNIC Region transit ASes present in the Internet Routing Table: 2366 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8907 Number of LACNIC addresses announced to Internet: 177262592 Equivalent to 10 /8s, 144 /16s and 208 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 30752 Total AfriNIC prefixes after maximum aggregation: 6137 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 40396 Unique aggregates announced from the AfriNIC address blocks: 12998 AfriNIC Region origin ASes present in the Internet Routing Table: 1817 AfriNIC Prefixes per ASN: 22.23 AfriNIC Region origin ASes announcing only one prefix: 650 AfriNIC Region transit ASes present in the Internet Routing Table: 357 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 31 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1185 Number of AfriNIC addresses announced to Internet: 105672704 Equivalent to 6 /8s, 76 /16s and 112 /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 9849 8741 61 CHINAMOBILE-CN China Mobile Communicati 7545 5654 777 673 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4588 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3854 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3607 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3522 495 253 BBIL-AP BHARTI Airtel Ltd., IN 45899 3271 1867 92 VNPT-AS-VN VNPT Corp, VN 24560 2764 864 363 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2177 433 189 TATACOMM-AS TATA Communications formerl 45090 2149 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 9721 11353 3432 AMAZON-02, US 11492 4593 305 622 CABLEONE, US 7155 4181 288 96 VIASAT-SP-BACKBONE, US 22773 3624 3079 300 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3602 1320 75 SHAW, CA 174 3506 6651 695 COGENT-174, US 749 3191 54916 2443 DNIC-AS-00749, US 16625 3134 1342 2236 AKAMAI-AS, US 367 2917 3629 1386 DNIC-ASBLK-00306-00371, US 396982 2762 3641 411 GOOGLE-CLOUD-PLATFORM, 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 7701 1714 147 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3845 3395 126 AKAMAI-ASN1, NL 9009 3265 283 1596 M247, RO 12389 2982 2304 903 ROSTELECOM-AS, RU 8551 2649 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 34984 2341 363 589 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 8452 1524 1852 14 TE-AS TE-AS, EG 44477 1497 98 709 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 12342 3320 488 UNINET, MX 10620 3526 497 892 Telmex Colombia S.A., CO 13999 2513 342 658 Mega Cable, S.A. de C.V., MX 11830 2000 369 64 Instituto Costarricense de Electricidad 28573 1343 2319 241 Claro NXT Telecomunicacoes Ltda, BR 3816 1313 788 194 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1204 348 492 Axtel, S.A.B. de C.V., MX 11664 1148 179 424 Techtel LMDS Comunicaciones Interactiva 6147 1089 369 22 Telefonica del Peru S.A.A., PE 22884 1066 113 375 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 24835 1548 545 28 RAYA-AS, EG 24863 1504 389 20 LINKdotNET-AS, EG 36992 1368 1519 281 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1203 76 60 ORANGE-COTE-IVOIRE, CI 36935 935 521 42 Vodafone-, EG 6713 554 1861 34 IAM-AS, MA 15399 538 56 54 WANANCHI-, KE 36914 482 82 3 KENET-AS, KE 24757 427 73 5 EthioNet-AS, ET 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 12342 3320 488 UNINET, MX 9808 9849 8741 61 CHINAMOBILE-CN China Mobile Communicati 16509 9721 11353 3432 AMAZON-02, US 12479 7701 1714 147 UNI2-AS, ES 7545 5654 777 673 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4593 305 622 CABLEONE, US 18403 4588 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4181 288 96 VIASAT-SP-BACKBONE, US 7552 3854 1330 20 VIETEL-AS-AP Viettel Group, VN 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 9849 9788 CHINAMOBILE-CN China Mobile Communications Grou 12479 7701 7554 UNI2-AS, ES 16509 9721 6289 AMAZON-02, US 7545 5654 4981 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4588 4563 FPT-AS-AP FPT Telecom Company, VN 7155 4181 4085 VIASAT-SP-BACKBONE, US 11492 4593 3971 CABLEONE, US 7552 3854 3834 VIETEL-AS-AP Viettel Group, VN 20940 3845 3719 AKAMAI-ASN1, NL 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 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 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, 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 CROWNCASTLE-AS46887, 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 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 23.160.201.0/24 Origin: 21738 ROZINT, US 23.160.201.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res 23.174.120.0/24 Origin: 29774 VSIX-, FR 23.174.120.0/24 Transit: 1299 TWELVE99 Arelion, fka Telia Carrier, SE 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 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 /10:36 /11:95 /12:298 /13:580 /14:1191 /15:2095 /16:13284 /17:8185 /18:13646 /19:24608 /20:43391 /21:51207 /22:110514 /23:98691 /24:571394 /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 6815 7701 UNI2-AS, ES 8151 6364 12342 UNINET, MX 11492 3506 4593 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3400 3602 SHAW, CA 7155 3125 4181 VIASAT-SP-BACKBONE, US 22773 2661 3624 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2160 2505 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2132 3526 Telmex Colombia S.A., CO 8551 2125 2649 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2263 2:1474 3:318 4:6 5:4518 6:162 7:6 8:1499 9:2 11:172 12:1464 13:374 14:2361 15:318 16:210 17:367 18:750 20:355 21:4 22:188 23:6615 24:2704 25:2 27:2642 29:19 31:2627 32:46 34:59 35:126 36:2229 37:4510 38:7104 39:894 40:125 41:4066 42:2213 43:2333 44:313 45:16881 46:4408 47:296 49:1906 50:1902 51:573 52:1579 54:307 55:973 56:5 57:161 58:2023 59:1128 60:1025 61:2568 62:2707 63:1914 64:5529 65:2200 66:4726 67:3064 68:1335 69:4078 70:1200 71:583 72:2893 74:2585 75:1550 76:628 77:2421 78:1845 79:2478 80:2164 81:1934 82:1527 83:1288 84:1648 85:3096 86:826 87:2023 88:1241 89:4048 90:686 91:8025 92:2199 93:2648 94:3659 95:4171 96:1303 97:312 98:1042 99:743 100:92 101:1167 102:3064 103:32474 104:4802 105:634 106:930 107:2757 108:1113 109:4069 110:2135 111:3202 112:2064 113:1758 114:1771 115:2056 116:1869 117:2619 118:2833 119:1952 120:1787 121:1279 122:2682 123:2213 124:1563 125:2844 126:32 128:1496 129:923 130:1099 131:1826 132:805 133:410 134:1733 135:314 136:941 137:1191 138:2801 139:1558 140:1379 141:1362 142:1575 143:1485 144:1013 145:347 146:2025 147:1731 148:2489 149:2572 150:1042 151:1340 152:1978 153:589 154:5908 155:1377 156:2229 157:1646 158:1078 159:2263 160:2596 161:1638 162:3600 163:1725 164:1625 165:2128 166:1061 167:1765 168:3930 169:793 170:4693 171:1004 172:3826 173:3046 174:905 175:1209 176:3677 177:4533 178:3608 179:2231 180:2376 181:3676 182:3364 183:2035 184:2265 185:20667 186:4920 187:4420 188:4057 189:4062 190:9347 191:1479 192:11016 193:9059 194:7451 195:5246 196:3174 197:2396 198:6006 199:7512 200:7997 201:6322 202:10320 203:10282 204:4570 205:3746 206:4502 207:3483 208:4144 209:5050 210:4488 211:2483 212:4292 213:3391 214:1088 215:50 216:6769 217:2825 218:1314 219:406 220:2051 221:1031 222:692 223:2199 End of report