IPv4 R&E Routing Table Report 21:10 GMT Mon 08 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: 918551 Prefixes after maximum aggregation (per Origin AS): 348590 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 448562 Number of IPv4 prefixes with a valid ROA: 396194 Number of IPv4 prefixes with an invalid ROA: 2724 Number of IPv4 prefixes with no ROA: 519633 Total ASes present in the Internet Routing Table: 74390 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 63907 Origin ASes announcing only one prefix: 26209 Transit ASes present in the Internet Routing Table: 10483 Transit-only ASes present in the Internet Routing Table: 438 Paths with bogon ASNs present in the IPv4 Routing Table: 74 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 77 Max AS path prepend of ASN ( 37447) 75 Prefixes from unregistered ASNs in the Routing Table: 1117 Number of instances of unregistered ASNs: 1177 Number of 32-bit ASNs allocated by the RIRs: 41809 Number of 32-bit ASNs visible in the Routing Table: 34558 Prefixes from 32-bit ASNs in the Routing Table: 171326 Number of bogon 32-bit ASNs visible in the Routing Table: 167 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 621 Number of addresses announced to Internet: 3058758656 Equivalent to 182 /8s, 80 /16s and 244 /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: 306878 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241279 Total APNIC prefixes after maximum aggregation: 68865 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 235441 Unique aggregates announced from the APNIC address blocks: 97914 APNIC Region origin ASes present in the Internet Routing Table: 13416 APNIC Prefixes per ASN: 17.55 APNIC Region origin ASes announcing only one prefix: 3954 APNIC Region transit ASes present in the Internet Routing Table: 1805 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: 8735 Number of APNIC addresses announced to Internet: 773128960 Equivalent to 46 /8s, 21 /16s and 3 /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: 122367 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 271950 Unique aggregates announced from the ARIN address blocks: 130158 ARIN Region origin ASes present in the Internet Routing Table: 19083 ARIN Prefixes per ASN: 14.25 ARIN Region origin ASes announcing only one prefix: 6966 ARIN Region transit ASes present in the Internet Routing Table: 1930 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: 4784 Number of ARIN addresses announced to Internet: 1283425024 Equivalent to 76 /8s, 127 /16s and 131 /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: 259675 Total RIPE prefixes after maximum aggregation: 122315 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255685 Unique aggregates announced from the RIPE address blocks: 158312 RIPE Region origin ASes present in the Internet Routing Table: 28326 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12051 RIPE Region transit ASes present in the Internet Routing Table: 3919 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: 11171 Number of RIPE addresses announced to Internet: 718179328 Equivalent to 42 /8s, 206 /16s and 140 /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: 118102 Total LACNIC prefixes after maximum aggregation: 28443 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 117400 Unique aggregates announced from the LACNIC address blocks: 49375 LACNIC Region origin ASes present in the Internet Routing Table: 10990 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2631 LACNIC Region transit ASes present in the Internet Routing Table: 2291 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: 8780 Number of LACNIC addresses announced to Internet: 176577792 Equivalent to 10 /8s, 134 /16s and 93 /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: 29044 Total AfriNIC prefixes after maximum aggregation: 5801 AfriNIC Deaggregation factor: 5.01 Prefixes being announced from the AfriNIC address blocks: 37453 Unique aggregates announced from the AfriNIC address blocks: 12290 AfriNIC Region origin ASes present in the Internet Routing Table: 1736 AfriNIC Prefixes per ASN: 21.57 AfriNIC Region origin ASes announcing only one prefix: 607 AfriNIC Region transit ASes present in the Internet Routing Table: 330 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 77 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1088 Number of AfriNIC addresses announced to Internet: 107036672 Equivalent to 6 /8s, 97 /16s and 64 /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 9481 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5726 787 694 TPG-INTERNET-AP TPG Telecom Limited, AU 45899 4041 1872 41 VNPT-AS-VN VNPT Corp, VN 7713 3576 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3227 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 2951 490 236 BBIL-AP BHARTI Airtel Ltd., IN 4538 2748 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2391 836 448 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 8269 10780 2939 AMAZON-02, US 11492 4534 300 609 CABLEONE, US 7155 3976 281 51 VIASAT-SP-BACKBONE, US 22773 3589 3072 282 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1320 64 SHAW, CA 16625 3111 1572 2349 AKAMAI-AS, US 749 3101 54980 2353 DNIC-AS-00749, US 396982 2637 3591 368 GOOGLE-CLOUD-PLATFORM, US 7018 2519 24150 1583 ATT-INTERNET4, US 30036 2483 359 491 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 7284 1707 141 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4095 3399 166 AKAMAI-ASN1, NL 8551 3884 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2929 2292 909 ROSTELECOM-AS, RU 9009 2717 252 1401 M247, RO 34984 2277 360 610 TELLCOM-AS, TR 6849 2018 307 18 UKRTELNET, UA 58224 1854 950 531 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 11262 3328 592 Uninet S.A. de C.V., MX 10620 3518 508 855 Telmex Colombia S.A., CO 13999 2343 358 618 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1331 2324 240 Claro NXT Telecomunicacoes Ltda, BR 6503 1302 339 515 Axtel, S.A.B. de C.V., MX 3816 1293 760 170 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1134 370 22 Telefonica del Peru S.A.A., PE 11664 1100 180 445 Techtel LMDS Comunicaciones Interactiva 26615 1033 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 1589 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 1024 67 46 ORANGE-COTE-IVOIRE, CI 36935 875 520 42 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 520 54 47 WANANCHI-, KE 37342 489 32 1 MOVITEL, MZ 24757 473 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 11262 3328 592 Uninet S.A. de C.V., MX 9808 9481 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8269 10780 2939 AMAZON-02, US 12479 7284 1707 141 UNI2-AS, ES 7545 5726 787 694 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4534 300 609 CABLEONE, US 20940 4095 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 9481 9444 CHINAMOBILE-CN China Mobile Communications Grou 12479 7284 7143 UNI2-AS, ES 16509 8269 5330 AMAZON-02, US 7545 5726 5032 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 45899 4041 4000 VNPT-AS-VN VNPT Corp, VN 20940 4095 3929 AKAMAI-ASN1, NL 11492 4534 3925 CABLEONE, US 7155 3976 3925 VIASAT-SP-BACKBONE, US 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 5.105.69.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.206.0/24 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 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 /12:301 /13:579 /14:1194 /15:2085 /16:13463 /17:8192 /18:14232 /19:25039 /20:43698 /21:51156 /22:109428 /23:97869 /24:551140 /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 6344 7284 UNI2-AS, ES 8151 5219 11262 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3442 4534 CABLEONE, US 8551 3356 3884 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3334 3524 SHAW, CA 7155 3043 3976 VIASAT-SP-BACKBONE, US 22773 2654 3589 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2140 2483 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2071 3518 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) ---------------------------------------------- 1:1680 2:1303 3:175 4:5 5:4531 6:127 7:6 8:1529 9:1 11:172 12:1535 13:388 14:2327 15:303 16:184 17:373 18:416 20:258 21:4 22:188 23:6227 24:2602 25:6 27:2532 29:19 31:2498 32:74 34:11 35:108 36:1956 37:4686 38:4549 39:827 40:150 41:3887 42:1027 43:2350 44:308 45:16572 46:4296 47:362 49:1730 50:1828 51:573 52:1596 54:392 55:774 56:8 57:118 58:1770 59:1152 60:993 61:2486 62:2631 63:1925 64:5685 65:2314 66:5021 67:3033 68:1349 69:4096 70:1234 71:679 72:2991 74:2613 75:1486 76:610 77:2453 78:1814 79:3164 80:2123 81:1779 82:1499 83:1279 84:1522 85:2967 86:771 87:2028 88:1171 89:3695 90:607 91:7756 92:2063 93:2619 94:3620 95:4025 96:1312 97:332 98:1152 99:744 100:74 101:1075 102:2695 103:31411 104:4647 105:488 106:863 107:2522 108:1028 109:4420 110:2100 111:3094 112:2032 113:1548 114:1636 115:2070 116:1891 117:2542 118:2300 119:2017 120:1797 121:1094 122:2602 123:2202 124:1563 125:2490 128:1392 129:1092 130:1019 131:2010 132:857 133:422 134:1925 135:305 136:874 137:1096 138:2570 139:1564 140:1241 141:1449 142:1442 143:1503 144:1166 145:346 146:1952 147:1590 148:2358 149:2226 150:880 151:1161 152:1817 153:568 154:4470 155:1449 156:1792 157:1311 158:1063 159:2321 160:2544 161:1539 162:3505 163:1569 164:1625 165:1742 166:1040 167:1727 168:3860 169:934 170:4580 171:857 172:3550 173:2921 174:1066 175:1186 176:3704 177:4609 178:3597 179:2123 180:2616 181:3475 182:3339 183:1944 184:2348 185:20218 186:4765 187:3971 188:4095 189:3582 190:9161 191:1433 192:10932 193:8871 194:7310 195:5138 196:3068 197:2354 198:5949 199:6107 200:8057 201:5896 202:10594 203:10333 204:4580 205:3675 206:4328 207:3455 208:4089 209:4862 210:4361 211:2445 212:4131 213:3608 214:1088 215:59 216:6654 217:2685 218:1316 219:470 220:2022 221:978 222:786 223:2148 End of report