IPv4 R&E Routing Table Report 21:10 GMT Wed 05 Apr, 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: 915507 Prefixes after maximum aggregation (per Origin AS): 347505 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 447918 Number of IPv4 prefixes with a valid ROA: 383106 Number of IPv4 prefixes with an invalid ROA: 2524 Number of IPv4 prefixes with no ROA: 529877 Total ASes present in the Internet Routing Table: 74274 Prefixes per ASN: 12.33 Origin-only ASes present in the Internet Routing Table: 63815 Origin ASes announcing only one prefix: 26175 Transit ASes present in the Internet Routing Table: 10459 Transit-only ASes present in the Internet Routing Table: 449 Paths with bogon ASNs present in the IPv4 Routing Table: 57 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 66 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 1105 Number of instances of unregistered ASNs: 1107 Number of 32-bit ASNs allocated by the RIRs: 41605 Number of 32-bit ASNs visible in the Routing Table: 34411 Prefixes from 32-bit ASNs in the Routing Table: 169532 Number of bogon 32-bit ASNs visible in the Routing Table: 49 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 512 Number of addresses announced to Internet: 3061221376 Equivalent to 182 /8s, 118 /16s and 136 /24s Percentage of available address space announced: 82.7 Percentage of allocated address space announced: 82.7 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: 306164 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240312 Total APNIC prefixes after maximum aggregation: 68690 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 234892 Unique aggregates announced from the APNIC address blocks: 98048 APNIC Region origin ASes present in the Internet Routing Table: 13375 APNIC Prefixes per ASN: 17.56 APNIC Region origin ASes announcing only one prefix: 3925 APNIC Region transit ASes present in the Internet Routing Table: 1802 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8679 Number of APNIC addresses announced to Internet: 773355776 Equivalent to 46 /8s, 24 /16s and 121 /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: 268637 Total ARIN prefixes after maximum aggregation: 122098 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 270910 Unique aggregates announced from the ARIN address blocks: 130474 ARIN Region origin ASes present in the Internet Routing Table: 19078 ARIN Prefixes per ASN: 14.20 ARIN Region origin ASes announcing only one prefix: 6974 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: 4774 Number of ARIN addresses announced to Internet: 1285220352 Equivalent to 76 /8s, 154 /16s and 232 /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: 258698 Total RIPE prefixes after maximum aggregation: 121790 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 254787 Unique aggregates announced from the RIPE address blocks: 157564 RIPE Region origin ASes present in the Internet Routing Table: 28278 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12022 RIPE Region transit ASes present in the Internet Routing Table: 3911 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11106 Number of RIPE addresses announced to Internet: 717917952 Equivalent to 42 /8s, 202 /16s and 143 /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: 117542 Total LACNIC prefixes after maximum aggregation: 28374 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 116865 Unique aggregates announced from the LACNIC address blocks: 49090 LACNIC Region origin ASes present in the Internet Routing Table: 10973 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2653 LACNIC Region transit ASes present in the Internet Routing Table: 2269 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8772 Number of LACNIC addresses announced to Internet: 176626688 Equivalent to 10 /8s, 135 /16s and 28 /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: 29213 Total AfriNIC prefixes after maximum aggregation: 5775 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 37540 Unique aggregates announced from the AfriNIC address blocks: 12334 AfriNIC Region origin ASes present in the Internet Routing Table: 1732 AfriNIC Prefixes per ASN: 21.67 AfriNIC Region origin ASes announcing only one prefix: 601 AfriNIC Region transit ASes present in the Internet Routing Table: 336 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1080 Number of AfriNIC addresses announced to Internet: 107736832 Equivalent to 6 /8s, 107 /16s and 239 /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 9527 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5746 786 690 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3565 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3558 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3369 1867 88 VNPT-AS-VN VNPT Corp, VN 9498 2903 491 237 BBIL-AP BHARTI Airtel Ltd., IN 4538 2746 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2362 835 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2308 11250 588 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 8230 10776 2901 AMAZON-02, US 11492 4538 301 622 CABLEONE, US 7155 3968 279 48 VIASAT-SP-BACKBONE, US 22773 3613 3077 283 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3513 1320 64 SHAW, CA 16625 3147 1579 2333 AKAMAI-AS, US 749 3054 50541 2321 DNIC-AS-00749, US 396982 2627 3590 361 GOOGLE-CLOUD-PLATFORM, US 7018 2580 24117 1576 ATT-INTERNET4, US 30036 2488 359 526 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 7243 1705 149 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4058 3399 166 AKAMAI-ASN1, NL 8551 3887 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2930 2292 911 ROSTELECOM-AS, RU 9009 2657 250 1379 M247, RO 34984 2268 359 610 TELLCOM-AS, TR 6849 2076 307 18 UKRTELNET, UA 58224 1850 950 543 TCI, IR 13188 1606 100 26 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 11209 3343 578 Uninet S.A. de C.V., MX 10620 3499 506 850 Telmex Colombia S.A., CO 13999 2310 370 617 Mega Cable, S.A. de C.V., MX 11830 2264 369 64 Instituto Costarricense de Electricidad 28573 1332 2325 235 Claro NXT Telecomunicacoes Ltda, BR 3816 1303 767 159 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1300 339 515 Axtel, S.A.B. de C.V., MX 6147 1131 370 22 Telefonica del Peru S.A.A., PE 11664 1102 180 443 Techtel LMDS Comunicaciones Interactiva 26615 1030 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 24835 1541 533 30 RAYA-AS, EG 24863 1442 393 19 LINKdotNET-AS, EG 36992 1356 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1016 67 48 ORANGE-COTE-IVOIRE, CI 36935 872 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 527 54 47 WANANCHI-, KE 37342 493 32 1 MOVITEL, MZ 24757 488 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 11209 3343 578 Uninet S.A. de C.V., MX 9808 9527 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 8230 10776 2901 AMAZON-02, US 12479 7243 1705 149 UNI2-AS, ES 7545 5746 786 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4538 301 622 CABLEONE, US 20940 4058 3399 166 AKAMAI-ASN1, NL 7155 3968 279 48 VIASAT-SP-BACKBONE, US 8551 3887 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 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 9527 9479 CHINAMOBILE-CN China Mobile Communications Grou 12479 7243 7094 UNI2-AS, ES 16509 8230 5329 AMAZON-02, US 7545 5746 5056 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 7155 3968 3920 VIASAT-SP-BACKBONE, US 11492 4538 3916 CABLEONE, US 20940 4058 3892 AKAMAI-ASN1, NL 8551 3887 3850 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3565 3544 VIETEL-AS-AP Viettel Group, VN 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, 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 23.131.185.0/24 Origin: 174 COGENT-174, US 23.131.185.0/24 Transit: 6461 ZAYO-6461, US 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 6461 ZAYO-6461, US 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 6461 ZAYO-6461, US 23.131.188.0/24 Origin: 174 COGENT-174, US 23.131.188.0/24 Transit: 6461 ZAYO-6461, US 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 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 /9:13 /10:39 /11:103 /12:299 /13:578 /14:1196 /15:2071 /16:13471 /17:8246 /18:13818 /19:25032 /20:43745 /21:51449 /22:109282 /23:97587 /24:548561 /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 6304 7243 UNI2-AS, ES 8151 5175 11209 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3446 4538 CABLEONE, US 8551 3359 3887 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3322 3513 SHAW, CA 7155 3040 3968 VIASAT-SP-BACKBONE, US 22773 2678 3613 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2145 2488 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2053 3499 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) ---------------------------------------------- 1:1669 2:1240 3:170 4:5 5:4482 6:121 7:6 8:1525 9:1 11:172 12:1561 13:394 14:2298 15:299 16:185 17:370 18:413 20:248 21:4 22:188 23:6142 24:2600 25:6 27:2570 29:19 31:2521 32:93 34:10 35:106 36:1925 37:4644 38:4442 39:805 40:151 41:3960 42:983 43:2336 44:309 45:16547 46:4200 47:342 49:1730 50:1827 51:571 52:1589 54:389 55:855 56:8 57:94 58:1762 59:1130 60:981 61:2442 62:2631 63:1924 64:5694 65:2308 66:4942 67:3045 68:1374 69:4145 70:1253 71:679 72:2974 74:2607 75:1462 76:610 77:2435 78:1854 79:3163 80:2099 81:1744 82:1484 83:1276 84:1541 85:2994 86:749 87:1989 88:1238 89:3626 90:614 91:7677 92:2058 93:2604 94:3596 95:3996 96:1328 97:335 98:1157 99:745 100:74 101:1070 102:2691 103:31348 104:4643 105:484 106:826 107:2511 108:1018 109:4415 110:2080 111:3203 112:2065 113:1514 114:1625 115:2079 116:1909 117:2565 118:2287 119:2023 120:1776 121:1074 122:2628 123:2177 124:1567 125:2529 128:1326 129:1062 130:1007 131:1987 132:846 133:421 134:1904 135:303 136:871 137:1083 138:2562 139:1531 140:1236 141:1453 142:1430 143:1484 144:1164 145:347 146:1936 147:1571 148:2328 149:2005 150:876 151:1153 152:1842 153:567 154:4394 155:1416 156:1804 157:1300 158:1048 159:2281 160:2534 161:1540 162:3545 163:1552 164:1602 165:1727 166:978 167:1735 168:3873 169:938 170:4602 171:868 172:3542 173:2931 174:1031 175:1171 176:3676 177:4544 178:3622 179:2139 180:2458 181:3427 182:3332 183:1938 184:2347 185:20179 186:4688 187:3933 188:4088 189:3542 190:9163 191:1451 192:10930 193:8852 194:7317 195:5143 196:3087 197:2382 198:5957 199:6102 200:7885 201:5889 202:10577 203:10265 204:4627 205:3549 206:4125 207:3449 208:4094 209:4881 210:4358 211:2443 212:4102 213:3575 214:1079 215:60 216:6630 217:2681 218:1311 219:470 220:2019 221:976 222:790 223:2151 End of report