IPv4 R&E Routing Table Report 21:10 GMT Sun 16 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: 916457 Prefixes after maximum aggregation (per Origin AS): 348003 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 448428 Number of IPv4 prefixes with a valid ROA: 389182 Number of IPv4 prefixes with an invalid ROA: 3034 Number of IPv4 prefixes with no ROA: 524241 Total ASes present in the Internet Routing Table: 74314 Prefixes per ASN: 12.33 Origin-only ASes present in the Internet Routing Table: 63824 Origin ASes announcing only one prefix: 26170 Transit ASes present in the Internet Routing Table: 10490 Transit-only ASes present in the Internet Routing Table: 443 Paths with bogon ASNs present in the IPv4 Routing Table: 60 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: 1406 Number of instances of unregistered ASNs: 1410 Number of 32-bit ASNs allocated by the RIRs: 41678 Number of 32-bit ASNs visible in the Routing Table: 34456 Prefixes from 32-bit ASNs in the Routing Table: 170156 Number of bogon 32-bit ASNs visible in the Routing Table: 50 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 933 Number of addresses announced to Internet: 3060907776 Equivalent to 182 /8s, 113 /16s and 191 /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: 306387 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240044 Total APNIC prefixes after maximum aggregation: 68688 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 234369 Unique aggregates announced from the APNIC address blocks: 97752 APNIC Region origin ASes present in the Internet Routing Table: 13373 APNIC Prefixes per ASN: 17.53 APNIC Region origin ASes announcing only one prefix: 3914 APNIC Region transit ASes present in the Internet Routing Table: 1813 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8685 Number of APNIC addresses announced to Internet: 773217792 Equivalent to 46 /8s, 22 /16s and 94 /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: 268657 Total ARIN prefixes after maximum aggregation: 122159 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 271214 Unique aggregates announced from the ARIN address blocks: 130791 ARIN Region origin ASes present in the Internet Routing Table: 19080 ARIN Prefixes per ASN: 14.21 ARIN Region origin ASes announcing only one prefix: 6968 ARIN Region transit ASes present in the Internet Routing Table: 1940 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4783 Number of ARIN addresses announced to Internet: 1284519424 Equivalent to 76 /8s, 144 /16s and 54 /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: 259284 Total RIPE prefixes after maximum aggregation: 122157 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255203 Unique aggregates announced from the RIPE address blocks: 157660 RIPE Region origin ASes present in the Internet Routing Table: 28304 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12035 RIPE Region transit ASes present in the Internet Routing Table: 3914 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: 11132 Number of RIPE addresses announced to Internet: 717917696 Equivalent to 42 /8s, 202 /16s and 142 /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: 117767 Total LACNIC prefixes after maximum aggregation: 28381 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 117060 Unique aggregates announced from the LACNIC address blocks: 49219 LACNIC Region origin ASes present in the Internet Routing Table: 10976 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2647 LACNIC Region transit ASes present in the Internet Routing Table: 2284 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: 8773 Number of LACNIC addresses announced to Internet: 176684800 Equivalent to 10 /8s, 135 /16s and 255 /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: 29299 Total AfriNIC prefixes after maximum aggregation: 5790 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 37677 Unique aggregates announced from the AfriNIC address blocks: 12337 AfriNIC Region origin ASes present in the Internet Routing Table: 1734 AfriNIC Prefixes per ASN: 21.73 AfriNIC Region origin ASes announcing only one prefix: 606 AfriNIC Region transit ASes present in the Internet Routing Table: 334 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: 1083 Number of AfriNIC addresses announced to Internet: 107784192 Equivalent to 6 /8s, 108 /16s and 168 /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 9474 8704 36 CHINAMOBILE-CN China Mobile Communicati 7545 5729 786 689 TPG-INTERNET-AP TPG Telecom Limited, AU 7713 3559 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3552 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3374 1867 88 VNPT-AS-VN VNPT Corp, VN 9498 2935 491 237 BBIL-AP BHARTI Airtel Ltd., IN 4538 2746 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2375 836 442 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 8223 10776 2918 AMAZON-02, US 11492 4542 301 607 CABLEONE, US 7155 3968 279 48 VIASAT-SP-BACKBONE, US 22773 3606 3073 281 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3514 1320 64 SHAW, CA 16625 3150 1580 2332 AKAMAI-AS, US 749 3055 50540 2322 DNIC-AS-00749, US 396982 2630 3590 362 GOOGLE-CLOUD-PLATFORM, US 7018 2564 24116 1561 ATT-INTERNET4, US 30036 2494 360 500 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 7236 1705 149 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4070 3399 166 AKAMAI-ASN1, NL 8551 3890 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2926 2292 909 ROSTELECOM-AS, RU 9009 2668 250 1391 M247, RO 34984 2270 359 611 TELLCOM-AS, TR 6849 2017 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 11232 3343 583 Uninet S.A. de C.V., MX 10620 3500 507 851 Telmex Colombia S.A., CO 13999 2317 355 614 Mega Cable, S.A. de C.V., MX 11830 2262 369 64 Instituto Costarricense de Electricidad 28573 1332 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 1133 370 22 Telefonica del Peru S.A.A., PE 11664 1104 181 444 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 24863 1578 393 19 LINKdotNET-AS, EG 24835 1541 533 30 RAYA-AS, EG 36992 1338 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1023 67 48 ORANGE-COTE-IVOIRE, CI 36935 875 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 531 54 47 WANANCHI-, KE 37342 493 32 1 MOVITEL, MZ 24757 485 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 11232 3343 583 Uninet S.A. de C.V., MX 9808 9474 8704 36 CHINAMOBILE-CN China Mobile Communicati 16509 8223 10776 2918 AMAZON-02, US 12479 7236 1705 149 UNI2-AS, ES 7545 5729 786 689 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4542 301 607 CABLEONE, US 20940 4070 3399 166 AKAMAI-ASN1, NL 7155 3968 279 48 VIASAT-SP-BACKBONE, US 8551 3890 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 9474 9438 CHINAMOBILE-CN China Mobile Communications Grou 12479 7236 7087 UNI2-AS, ES 16509 8223 5305 AMAZON-02, US 7545 5729 5040 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 11492 4542 3935 CABLEONE, US 7155 3968 3920 VIASAT-SP-BACKBONE, US 20940 4070 3904 AKAMAI-ASN1, NL 8551 3890 3853 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3552 3531 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, 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 3356 LEVEL3, 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 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 100.127.0.0/16 27720 CITTA TELECOM LTDA, BR 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 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 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 /15:2068 /16:13461 /17:8225 /18:13793 /19:24994 /20:43726 /21:51263 /22:109476 /23:97779 /24:549427 /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 6296 7236 UNI2-AS, ES 8151 5198 11232 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3451 4542 CABLEONE, US 8551 3362 3890 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3323 3514 SHAW, CA 7155 3040 3968 VIASAT-SP-BACKBONE, US 22773 2673 3606 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2151 2494 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2054 3500 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) ---------------------------------------------- 1:1663 2:1247 3:173 4:5 5:4488 6:128 7:6 8:1526 9:1 11:172 12:1550 13:391 14:2314 15:299 16:183 17:371 18:413 20:256 21:4 22:188 23:6226 24:2606 25:6 27:2567 29:19 31:2521 32:86 34:10 35:106 36:1931 37:4647 38:4434 39:817 40:151 41:3941 42:984 43:2343 44:308 45:16545 46:4249 47:361 49:1730 50:1833 51:571 52:1588 54:385 55:857 56:8 57:116 58:1764 59:1160 60:976 61:2447 62:2638 63:1921 64:5692 65:2317 66:4957 67:3044 68:1375 69:4161 70:1251 71:680 72:2979 74:2621 75:1468 76:610 77:2427 78:1864 79:3171 80:2098 81:1748 82:1486 83:1279 84:1533 85:2991 86:763 87:1986 88:1243 89:3615 90:613 91:7704 92:2066 93:2619 94:3595 95:4017 96:1328 97:336 98:1157 99:745 100:73 101:1069 102:2676 103:31376 104:4653 105:484 106:827 107:2526 108:1023 109:4428 110:2079 111:3182 112:2058 113:1512 114:1634 115:2076 116:1911 117:2564 118:2278 119:2020 120:1769 121:1079 122:2614 123:2148 124:1566 125:2513 128:1308 129:1055 130:1017 131:1995 132:852 133:422 134:1905 135:304 136:880 137:1090 138:2576 139:1563 140:1236 141:1458 142:1436 143:1499 144:1167 145:347 146:1944 147:1571 148:2340 149:2081 150:879 151:1152 152:1845 153:567 154:4406 155:1433 156:1809 157:1312 158:1055 159:2290 160:2533 161:1525 162:3530 163:1564 164:1626 165:1730 166:1029 167:1742 168:3873 169:936 170:4611 171:872 172:3564 173:2938 174:1069 175:1173 176:3676 177:4566 178:3580 179:2148 180:2469 181:3432 182:3332 183:1931 184:2358 185:20183 186:4764 187:3958 188:4082 189:3545 190:9108 191:1435 192:10927 193:8867 194:7315 195:5144 196:3086 197:2375 198:5966 199:6115 200:7984 201:5855 202:10573 203:10254 204:4598 205:3563 206:4151 207:3458 208:4084 209:4865 210:4352 211:2428 212:4114 213:3589 214:1084 215:59 216:6645 217:2694 218:1304 219:470 220:2015 221:973 222:783 223:2154 End of report