IPv4 R&E Routing Table Report 21:10 GMT Fri 14 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: 917038 Prefixes after maximum aggregation (per Origin AS): 347980 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 448409 Number of IPv4 prefixes with a valid ROA: 389084 Number of IPv4 prefixes with an invalid ROA: 3020 Number of IPv4 prefixes with no ROA: 524934 Total ASes present in the Internet Routing Table: 74308 Prefixes per ASN: 12.34 Origin-only ASes present in the Internet Routing Table: 63839 Origin ASes announcing only one prefix: 26166 Transit ASes present in the Internet Routing Table: 10469 Transit-only ASes present in the Internet Routing Table: 439 Paths with bogon ASNs present in the IPv4 Routing Table: 54 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: 1426 Number of instances of unregistered ASNs: 1428 Number of 32-bit ASNs allocated by the RIRs: 41653 Number of 32-bit ASNs visible in the Routing Table: 34460 Prefixes from 32-bit ASNs in the Routing Table: 170194 Number of bogon 32-bit ASNs visible in the Routing Table: 40 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 936 Number of addresses announced to Internet: 3061179904 Equivalent to 182 /8s, 117 /16s and 230 /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: 306341 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240527 Total APNIC prefixes after maximum aggregation: 68771 APNIC Deaggregation factor: 3.50 Prefixes being announced from the APNIC address blocks: 234840 Unique aggregates announced from the APNIC address blocks: 97784 APNIC Region origin ASes present in the Internet Routing Table: 13378 APNIC Prefixes per ASN: 17.55 APNIC Region origin ASes announcing only one prefix: 3912 APNIC Region transit ASes present in the Internet Routing Table: 1809 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 26 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8684 Number of APNIC addresses announced to Internet: 773238784 Equivalent to 46 /8s, 22 /16s and 176 /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: 268611 Total ARIN prefixes after maximum aggregation: 122114 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 271193 Unique aggregates announced from the ARIN address blocks: 130812 ARIN Region origin ASes present in the Internet Routing Table: 19075 ARIN Prefixes per ASN: 14.22 ARIN Region origin ASes announcing only one prefix: 6965 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: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4784 Number of ARIN addresses announced to Internet: 1284764160 Equivalent to 76 /8s, 147 /16s and 242 /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: 259198 Total RIPE prefixes after maximum aggregation: 122086 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 255124 Unique aggregates announced from the RIPE address blocks: 157633 RIPE Region origin ASes present in the Internet Routing Table: 28293 RIPE Prefixes per ASN: 9.02 RIPE Region origin ASes announcing only one prefix: 12030 RIPE Region transit ASes present in the Internet Routing Table: 3913 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: 11131 Number of RIPE addresses announced to Internet: 717847808 Equivalent to 42 /8s, 201 /16s and 125 /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: 117830 Total LACNIC prefixes after maximum aggregation: 28367 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 117122 Unique aggregates announced from the LACNIC address blocks: 49164 LACNIC Region origin ASes present in the Internet Routing Table: 10980 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2653 LACNIC Region transit ASes present in the Internet Routing Table: 2275 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: 8776 Number of LACNIC addresses announced to Internet: 176697600 Equivalent to 10 /8s, 136 /16s and 49 /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: 29446 Total AfriNIC prefixes after maximum aggregation: 5792 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 37822 Unique aggregates announced from the AfriNIC address blocks: 12343 AfriNIC Region origin ASes present in the Internet Routing Table: 1736 AfriNIC Prefixes per ASN: 21.79 AfriNIC Region origin ASes announcing only one prefix: 606 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: 1085 Number of AfriNIC addresses announced to Internet: 107846656 Equivalent to 6 /8s, 109 /16s and 156 /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 9559 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5728 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 3377 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 8252 10781 2906 AMAZON-02, US 11492 4542 301 607 CABLEONE, US 7155 3968 279 48 VIASAT-SP-BACKBONE, US 22773 3604 3073 281 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3514 1320 64 SHAW, CA 16625 3151 1580 2333 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 2493 360 505 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 7237 1705 149 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4069 3399 166 AKAMAI-ASN1, NL 8551 3889 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 11234 3343 579 Uninet S.A. de C.V., MX 10620 3500 507 851 Telmex Colombia S.A., CO 13999 2315 355 613 Mega Cable, S.A. de C.V., MX 11830 2261 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 1028 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 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 11234 3343 579 Uninet S.A. de C.V., MX 9808 9559 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 8252 10781 2906 AMAZON-02, US 12479 7237 1705 149 UNI2-AS, ES 7545 5728 786 689 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4542 301 607 CABLEONE, US 20940 4069 3399 166 AKAMAI-ASN1, NL 7155 3968 279 48 VIASAT-SP-BACKBONE, US 8551 3889 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 9559 9511 CHINAMOBILE-CN China Mobile Communications Grou 12479 7237 7088 UNI2-AS, ES 16509 8252 5346 AMAZON-02, US 7545 5728 5039 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 4069 3903 AKAMAI-ASN1, NL 8551 3889 3852 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., 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 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 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 23.136.112.0/24 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 /15:2070 /16:13499 /17:8247 /18:13809 /19:25016 /20:43748 /21:51458 /22:109535 /23:97805 /24:549606 /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 6297 7237 UNI2-AS, ES 8151 5198 11234 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3451 4542 CABLEONE, US 8551 3361 3889 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3323 3514 SHAW, CA 7155 3040 3968 VIASAT-SP-BACKBONE, US 22773 2671 3604 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2150 2493 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) ---------------------------------------------- 1:1669 2:1238 3:173 4:5 5:4491 6:128 7:6 8:1527 9:1 11:172 12:1549 13:391 14:2308 15:299 16:183 17:371 18:415 20:255 21:4 22:188 23:6220 24:2606 25:6 27:2570 29:19 31:2522 32:86 34:10 35:106 36:1932 37:4647 38:4439 39:812 40:151 41:3962 42:984 43:2344 44:308 45:16543 46:4243 47:361 49:1731 50:1832 51:571 52:1589 54:389 55:857 56:8 57:116 58:1764 59:1128 60:975 61:2466 62:2640 63:1921 64:5687 65:2320 66:4944 67:3045 68:1367 69:4156 70:1252 71:680 72:2972 74:2621 75:1468 76:609 77:2427 78:1864 79:3171 80:2096 81:1747 82:1485 83:1279 84:1533 85:2994 86:758 87:1986 88:1242 89:3612 90:612 91:7698 92:2062 93:2619 94:3599 95:4015 96:1328 97:336 98:1157 99:745 100:73 101:1072 102:2698 103:31377 104:4656 105:484 106:824 107:2525 108:1027 109:4428 110:2081 111:3201 112:2070 113:1515 114:1635 115:2077 116:1912 117:2566 118:2281 119:2021 120:1776 121:1080 122:2619 123:2176 124:1566 125:2521 128:1327 129:1055 130:1020 131:1991 132:855 133:422 134:1905 135:304 136:881 137:1087 138:2578 139:1565 140:1234 141:1459 142:1436 143:1492 144:1167 145:347 146:1944 147:1577 148:2352 149:2085 150:875 151:1152 152:1847 153:566 154:4407 155:1435 156:1811 157:1310 158:1055 159:2290 160:2532 161:1525 162:3532 163:1558 164:1629 165:1730 166:1022 167:1742 168:3886 169:937 170:4607 171:871 172:3562 173:2937 174:1069 175:1173 176:3676 177:4575 178:3580 179:2151 180:2466 181:3430 182:3335 183:1939 184:2357 185:20179 186:4762 187:3968 188:4082 189:3541 190:9117 191:1439 192:10929 193:8864 194:7317 195:5142 196:3098 197:2390 198:5967 199:6115 200:8005 201:5851 202:10574 203:10264 204:4601 205:3560 206:4152 207:3459 208:4081 209:4861 210:4352 211:2437 212:4111 213:3580 214:1085 215:59 216:6624 217:2693 218:1313 219:471 220:2014 221:975 222:790 223:2154 End of report