IPv4 R&E Routing Table Report 21:10 GMT Tue 24 Jan, 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: 917579 Prefixes after maximum aggregation (per Origin AS): 347270 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 445178 Number of IPv4 prefixes with a valid ROA: 378114 Number of IPv4 prefixes with an invalid ROA: 2876 Number of IPv4 prefixes with no ROA: 536589 Total ASes present in the Internet Routing Table: 74062 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 63645 Origin ASes announcing only one prefix: 26127 Transit ASes present in the Internet Routing Table: 10417 Transit-only ASes present in the Internet Routing Table: 423 Paths with bogon ASNs present in the IPv4 Routing Table: 50 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: 977 Number of instances of unregistered ASNs: 986 Number of 32-bit ASNs allocated by the RIRs: 41111 Number of 32-bit ASNs visible in the Routing Table: 34068 Prefixes from 32-bit ASNs in the Routing Table: 166865 Number of bogon 32-bit ASNs visible in the Routing Table: 51 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 501 Number of addresses announced to Internet: 3063025920 Equivalent to 182 /8s, 146 /16s and 17 /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: 311542 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 238038 Total APNIC prefixes after maximum aggregation: 68390 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 233193 Unique aggregates announced from the APNIC address blocks: 97896 APNIC Region origin ASes present in the Internet Routing Table: 13249 APNIC Prefixes per ASN: 17.60 APNIC Region origin ASes announcing only one prefix: 3852 APNIC Region transit ASes present in the Internet Routing Table: 1795 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 30 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8523 Number of APNIC addresses announced to Internet: 773384192 Equivalent to 46 /8s, 24 /16s and 232 /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: 267130 Total ARIN prefixes after maximum aggregation: 121623 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 269095 Unique aggregates announced from the ARIN address blocks: 129773 ARIN Region origin ASes present in the Internet Routing Table: 19071 ARIN Prefixes per ASN: 14.11 ARIN Region origin ASes announcing only one prefix: 6993 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: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4729 Number of ARIN addresses announced to Internet: 1285938688 Equivalent to 76 /8s, 165 /16s and 222 /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: 264370 Total RIPE prefixes after maximum aggregation: 122428 RIPE Deaggregation factor: 2.16 Prefixes being announced from the RIPE address blocks: 260771 Unique aggregates announced from the RIPE address blocks: 156099 RIPE Region origin ASes present in the Internet Routing Table: 28214 RIPE Prefixes per ASN: 9.24 RIPE Region origin ASes announcing only one prefix: 12021 RIPE Region transit ASes present in the Internet Routing Table: 3909 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10986 Number of RIPE addresses announced to Internet: 719166720 Equivalent to 42 /8s, 221 /16s and 157 /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: 117887 Total LACNIC prefixes after maximum aggregation: 28351 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 117065 Unique aggregates announced from the LACNIC address blocks: 49000 LACNIC Region origin ASes present in the Internet Routing Table: 11007 LACNIC Prefixes per ASN: 10.64 LACNIC Region origin ASes announcing only one prefix: 2671 LACNIC Region transit ASes present in the Internet Routing Table: 2266 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8774 Number of LACNIC addresses announced to Internet: 176162304 Equivalent to 10 /8s, 128 /16s and 6 /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: 29177 Total AfriNIC prefixes after maximum aggregation: 5720 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 36953 Unique aggregates announced from the AfriNIC address blocks: 12003 AfriNIC Region origin ASes present in the Internet Routing Table: 1712 AfriNIC Prefixes per ASN: 21.58 AfriNIC Region origin ASes announcing only one prefix: 590 AfriNIC Region transit ASes present in the Internet Routing Table: 331 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: 1056 Number of AfriNIC addresses announced to Internet: 108084736 Equivalent to 6 /8s, 113 /16s and 62 /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 9440 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5931 787 702 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3568 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3520 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3095 1867 88 VNPT-AS-VN VNPT Corp, VN 9498 2714 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2360 848 437 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11250 588 KIXS-AS-KR Korea Telecom, KR 4538 2264 4192 73 ERX-CERNET-BKB China Education and Rese 45090 2183 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 7831 10709 2915 AMAZON-02, US 11492 4531 300 601 CABLEONE, US 7155 3895 265 33 VIASAT-SP-BACKBONE, US 22773 3694 3066 323 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3500 1320 63 SHAW, CA 16625 3462 1779 2507 AKAMAI-AS, US 749 3024 50575 2291 DNIC-AS-00749, US 396982 2583 3490 372 GOOGLE-CLOUD-PLATFORM, US 30036 2555 366 401 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2528 24124 1542 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 6973 1705 145 UNI2-AS, ES 9121 6163 1692 17 TTNET, TR 39891 4561 269 58 ALJAWWALSTC-AS, SA 20940 4052 3399 173 AKAMAI-ASN1, NL 8551 3908 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2918 2290 908 ROSTELECOM-AS, RU 9009 2691 256 1358 M247, RO 47331 2652 383 1997 TTNET, TR 34984 2258 358 610 TELLCOM-AS, TR 6849 2196 339 19 UKRTELNET, 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 11060 3340 589 Uninet S.A. de C.V., MX 10620 3474 507 856 Telmex Colombia S.A., CO 11830 2260 369 64 Instituto Costarricense de Electricidad 13999 2219 366 592 Mega Cable, S.A. de C.V., MX 28573 1351 2329 257 Claro NXT Telecomunicacoes Ltda, BR 6503 1298 339 518 Axtel, S.A.B. de C.V., MX 3816 1292 742 157 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1150 369 22 Telefonica del Peru S.A.A., PE 11664 1138 186 459 Techtel LMDS Comunicaciones Interactiva 26615 1008 2466 43 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 1513 533 29 RAYA-AS, EG 24863 1499 393 21 LINKdotNET-AS, EG 36992 1331 1517 277 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1009 67 47 ORANGE-COTE-IVOIRE, CI 36935 884 520 42 Vodafone-, EG 6713 611 1861 34 IAM-AS, MA 15399 529 54 46 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 24757 493 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 11060 3340 589 Uninet S.A. de C.V., MX 9808 9440 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7831 10709 2915 AMAZON-02, US 12479 6973 1705 145 UNI2-AS, ES 9121 6163 1692 17 TTNET, TR 7545 5931 787 702 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 269 58 ALJAWWALSTC-AS, SA 11492 4531 300 601 CABLEONE, US 20940 4052 3399 173 AKAMAI-ASN1, NL 8551 3908 374 38 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 9440 9393 CHINAMOBILE-CN China Mobile Communications Grou 12479 6973 6828 UNI2-AS, ES 9121 6163 6146 TTNET, TR 7545 5931 5229 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7831 4916 AMAZON-02, US 39891 4561 4503 ALJAWWALSTC-AS, SA 11492 4531 3930 CABLEONE, US 20940 4052 3879 AKAMAI-ASN1, NL 8551 3908 3870 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3895 3862 VIASAT-SP-BACKBONE, US 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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 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 198.19.224.0/24 56207 COMCLARK-PH ComClark Network & Technology Corp, 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 /11:101 /12:299 /13:583 /14:1200 /15:2077 /16:13494 /17:8301 /18:13891 /19:25056 /20:43562 /21:52126 /22:109976 /23:98345 /24:548499 /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 6041 6973 UNI2-AS, ES 9121 5320 6163 TTNET, TR 8151 5071 11060 Uninet S.A. de C.V., MX 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3446 4531 CABLEONE, US 8551 3373 3908 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3308 3500 SHAW, CA 7155 2984 3895 VIASAT-SP-BACKBONE, US 22773 2726 3694 ASN-CXA-ALL-CCI-22773-RDC, US 47331 2309 2652 TTNET, TR Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1630 2:1236 3:168 4:5 5:4117 6:110 7:5 8:1534 9:1 11:172 12:1583 13:376 14:2321 15:286 16:79 17:369 18:385 20:243 21:4 22:188 23:6056 24:2509 25:4 27:2720 29:19 31:2497 32:101 34:9 35:106 36:1874 37:4608 38:4048 39:831 40:154 41:3958 42:1050 43:2324 44:303 45:16421 46:4165 47:381 49:1730 50:1888 51:380 52:1552 54:396 55:857 56:8 57:83 58:1755 59:1171 60:1008 61:2420 62:2624 63:1938 64:5660 65:2313 66:4905 67:3045 68:1347 69:4139 70:1254 71:667 72:2971 74:2591 75:1457 76:600 77:2381 78:3921 79:3173 80:2075 81:1820 82:1479 83:1237 84:1523 85:3734 86:743 87:1939 88:2869 89:3543 90:593 91:7637 92:2000 93:2584 94:3521 95:4873 96:1329 97:347 98:1160 99:739 100:76 101:1060 102:2564 103:30977 104:4599 105:483 106:846 107:2529 108:921 109:4374 110:2084 111:3291 112:2043 113:1480 114:1604 115:2094 116:1843 117:2563 118:2288 119:1908 120:1727 121:1076 122:2596 123:2182 124:1548 125:2325 128:1324 129:1054 130:986 131:1994 132:843 133:406 134:1910 135:299 136:873 137:1076 138:2581 139:1555 140:1048 141:1479 142:1424 143:1483 144:1195 145:349 146:1881 147:1558 148:2301 149:1887 150:867 151:1135 152:1940 153:558 154:3923 155:1404 156:1662 157:1298 158:1043 159:2266 160:2554 161:1446 162:3555 163:1489 164:1602 165:1670 166:835 167:1760 168:3876 169:920 170:4579 171:893 172:3517 173:2978 174:1023 175:1172 176:3699 177:4682 178:3558 179:2155 180:2429 181:3377 182:3238 183:1937 184:2341 185:20004 186:4698 187:3943 188:4086 189:3504 190:9098 191:1448 192:10963 193:8836 194:7221 195:5143 196:3024 197:2404 198:5961 199:6112 200:7778 201:5875 202:10527 203:10239 204:4601 205:3512 206:3871 207:3427 208:4087 209:4829 210:4360 211:2427 212:4097 213:3561 214:1089 215:56 216:6622 217:2627 218:1297 219:464 220:2033 221:972 222:740 223:2066 End of report