IPv4 R&E Routing Table Report 21:10 GMT Wed 10 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: 918836 Prefixes after maximum aggregation (per Origin AS): 348678 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 448838 Number of IPv4 prefixes with a valid ROA: 396525 Number of IPv4 prefixes with an invalid ROA: 2678 Number of IPv4 prefixes with no ROA: 519633 Total ASes present in the Internet Routing Table: 74401 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 63931 Origin ASes announcing only one prefix: 26206 Transit ASes present in the Internet Routing Table: 10470 Transit-only ASes present in the Internet Routing Table: 437 Paths with bogon ASNs present in the IPv4 Routing Table: 64 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: 1131 Number of instances of unregistered ASNs: 1189 Number of 32-bit ASNs allocated by the RIRs: 41820 Number of 32-bit ASNs visible in the Routing Table: 34555 Prefixes from 32-bit ASNs in the Routing Table: 171550 Number of bogon 32-bit ASNs visible in the Routing Table: 155 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 630 Number of addresses announced to Internet: 3057052672 Equivalent to 182 /8s, 54 /16s and 236 /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: 307118 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241068 Total APNIC prefixes after maximum aggregation: 68835 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 235453 Unique aggregates announced from the APNIC address blocks: 97957 APNIC Region origin ASes present in the Internet Routing Table: 13412 APNIC Prefixes per ASN: 17.56 APNIC Region origin ASes announcing only one prefix: 3949 APNIC Region transit ASes present in the Internet Routing Table: 1799 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: 8730 Number of APNIC addresses announced to Internet: 773177088 Equivalent to 46 /8s, 21 /16s and 191 /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: 269554 Total ARIN prefixes after maximum aggregation: 122429 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 272159 Unique aggregates announced from the ARIN address blocks: 130222 ARIN Region origin ASes present in the Internet Routing Table: 19087 ARIN Prefixes per ASN: 14.26 ARIN Region origin ASes announcing only one prefix: 6967 ARIN Region transit ASes present in the Internet Routing Table: 1934 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: 1280903168 Equivalent to 76 /8s, 89 /16s and 8 /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: 259828 Total RIPE prefixes after maximum aggregation: 122358 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255846 Unique aggregates announced from the RIPE address blocks: 158512 RIPE Region origin ASes present in the Internet Routing Table: 28328 RIPE Prefixes per ASN: 9.03 RIPE Region origin ASes announcing only one prefix: 12046 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: 11172 Number of RIPE addresses announced to Internet: 718191360 Equivalent to 42 /8s, 206 /16s and 187 /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: 118118 Total LACNIC prefixes after maximum aggregation: 28418 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117414 Unique aggregates announced from the LACNIC address blocks: 49306 LACNIC Region origin ASes present in the Internet Routing Table: 10993 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2640 LACNIC Region transit ASes present in the Internet Routing Table: 2282 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: 176636416 Equivalent to 10 /8s, 135 /16s and 66 /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: 29137 Total AfriNIC prefixes after maximum aggregation: 5823 AfriNIC Deaggregation factor: 5.00 Prefixes being announced from the AfriNIC address blocks: 37333 Unique aggregates announced from the AfriNIC address blocks: 12313 AfriNIC Region origin ASes present in the Internet Routing Table: 1738 AfriNIC Prefixes per ASN: 21.48 AfriNIC Region origin ASes announcing only one prefix: 604 AfriNIC Region transit ASes present in the Internet Routing Table: 331 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: 1086 Number of AfriNIC addresses announced to Internet: 107732224 Equivalent to 6 /8s, 107 /16s and 221 /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 9483 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5726 787 694 TPG-INTERNET-AP TPG Telecom Limited, AU 45899 4042 1872 41 VNPT-AS-VN VNPT Corp, VN 7713 3577 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3227 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 2952 491 236 BBIL-AP BHARTI Airtel Ltd., IN 4538 2749 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2392 836 449 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 8283 10781 2928 AMAZON-02, US 11492 4535 300 609 CABLEONE, US 7155 4004 281 51 VIASAT-SP-BACKBONE, US 22773 3590 3073 283 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1320 64 SHAW, CA 749 3100 54980 2352 DNIC-AS-00749, US 16625 3094 1560 2341 AKAMAI-AS, US 396982 2637 3591 368 GOOGLE-CLOUD-PLATFORM, US 30036 2494 359 474 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2488 24147 1562 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 7287 1707 141 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4095 3399 166 AKAMAI-ASN1, NL 8551 3878 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2929 2292 909 ROSTELECOM-AS, RU 9009 2725 253 1403 M247, RO 34984 2277 360 610 TELLCOM-AS, TR 6849 2018 307 18 UKRTELNET, UA 58224 1851 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 11263 3329 595 Uninet S.A. de C.V., MX 10620 3517 508 854 Telmex Colombia S.A., CO 13999 2346 360 617 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 1301 339 515 Axtel, S.A.B. de C.V., MX 3816 1293 760 170 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1133 370 22 Telefonica del Peru S.A.A., PE 11664 1097 180 443 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 1601 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 1025 67 46 ORANGE-COTE-IVOIRE, CI 36935 875 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 520 54 47 WANANCHI-, KE 24757 492 73 5 EthioNet-AS, ET 37342 489 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 11263 3329 595 Uninet S.A. de C.V., MX 9808 9483 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8283 10781 2928 AMAZON-02, US 12479 7287 1707 141 UNI2-AS, ES 7545 5726 787 694 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4535 300 609 CABLEONE, US 20940 4095 3399 166 AKAMAI-ASN1, NL 45899 4042 1872 41 VNPT-AS-VN VNPT Corp, VN 7155 4004 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 9483 9446 CHINAMOBILE-CN China Mobile Communications Grou 12479 7287 7146 UNI2-AS, ES 16509 8283 5355 AMAZON-02, US 7545 5726 5032 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 45899 4042 4001 VNPT-AS-VN VNPT Corp, VN 7155 4004 3953 VIASAT-SP-BACKBONE, US 20940 4095 3929 AKAMAI-ASN1, NL 11492 4535 3926 CABLEONE, US 8551 3878 3841 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 /11:104 /12:301 /13:579 /14:1195 /15:2086 /16:13472 /17:8211 /18:14244 /19:25034 /20:43696 /21:51167 /22:109473 /23:97964 /24:551240 /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 6347 7287 UNI2-AS, ES 8151 5231 11263 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3443 4535 CABLEONE, US 8551 3350 3878 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3334 3524 SHAW, CA 7155 3071 4004 VIASAT-SP-BACKBONE, US 22773 2654 3590 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2152 2494 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2070 3517 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 3:173 4:5 5:4537 6:129 7:6 8:1529 9:1 11:172 12:1534 13:389 14:2331 15:303 16:189 17:372 18:420 20:258 21:4 22:188 23:6236 24:2602 25:6 27:2536 29:19 31:2499 32:75 34:11 35:108 36:1959 37:4693 38:4561 39:842 40:150 41:3896 42:1026 43:2346 44:307 45:16568 46:4297 47:362 49:1731 50:1840 51:573 52:1597 54:391 55:773 56:8 57:118 58:1771 59:1153 60:990 61:2484 62:2630 63:1920 64:5688 65:2313 66:5025 67:3039 68:1347 69:4092 70:1251 71:678 72:2992 74:2609 75:1487 76:611 77:2454 78:1812 79:3164 80:2125 81:1775 82:1489 83:1277 84:1525 85:2968 86:769 87:2024 88:1169 89:3690 90:609 91:7753 92:2063 93:2618 94:3612 95:4030 96:1313 97:336 98:1152 99:746 100:74 101:1072 102:2704 103:31427 104:4664 105:488 106:863 107:2526 108:1040 109:4411 110:2105 111:3096 112:2033 113:1549 114:1639 115:2039 116:1893 117:2543 118:2299 119:1935 120:1797 121:1095 122:2604 123:2171 124:1559 125:2494 128:1387 129:1091 130:1022 131:2013 132:853 133:422 134:1925 135:306 136:877 137:1095 138:2569 139:1565 140:1244 141:1452 142:1443 143:1500 144:1170 145:346 146:2018 147:1588 148:2355 149:2233 150:880 151:1158 152:1819 153:567 154:4282 155:1453 156:1787 157:1310 158:1064 159:2319 160:2541 161:1544 162:3498 163:1567 164:1623 165:1746 166:1049 167:1731 168:3871 169:933 170:4585 171:860 172:3556 173:2929 174:1071 175:1191 176:3704 177:4606 178:3604 179:2161 180:2616 181:3482 182:3341 183:1945 184:2352 185:20230 186:4745 187:3990 188:4094 189:3591 190:9160 191:1442 192:10938 193:8886 194:7308 195:5154 196:3092 197:2373 198:5955 199:6108 200:8041 201:5894 202:10616 203:10344 204:4581 205:3674 206:4315 207:3459 208:4089 209:4869 210:4359 211:2447 212:4138 213:3609 214:1088 215:59 216:6656 217:2687 218:1317 219:470 220:2001 221:978 222:785 223:2153 End of report