IPv4 R&E Routing Table Report 21:10 GMT Wed 11 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: 916689 Prefixes after maximum aggregation (per Origin AS): 347473 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 444965 Number of IPv4 prefixes with a valid ROA: 376493 Number of IPv4 prefixes with an invalid ROA: 2788 Number of IPv4 prefixes with no ROA: 537408 Total ASes present in the Internet Routing Table: 74053 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 63626 Origin ASes announcing only one prefix: 26130 Transit ASes present in the Internet Routing Table: 10427 Transit-only ASes present in the Internet Routing Table: 422 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: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1029 Number of instances of unregistered ASNs: 1038 Number of 32-bit ASNs allocated by the RIRs: 41024 Number of 32-bit ASNs visible in the Routing Table: 34016 Prefixes from 32-bit ASNs in the Routing Table: 166373 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: 513 Number of addresses announced to Internet: 3063383552 Equivalent to 182 /8s, 151 /16s and 134 /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: 311305 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237674 Total APNIC prefixes after maximum aggregation: 68367 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 232756 Unique aggregates announced from the APNIC address blocks: 97636 APNIC Region origin ASes present in the Internet Routing Table: 13214 APNIC Prefixes per ASN: 17.61 APNIC Region origin ASes announcing only one prefix: 3845 APNIC Region transit ASes present in the Internet Routing Table: 1782 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 28 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8486 Number of APNIC addresses announced to Internet: 773489152 Equivalent to 46 /8s, 26 /16s and 130 /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: 267511 Total ARIN prefixes after maximum aggregation: 122031 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 268925 Unique aggregates announced from the ARIN address blocks: 129654 ARIN Region origin ASes present in the Internet Routing Table: 19064 ARIN Prefixes per ASN: 14.11 ARIN Region origin ASes announcing only one prefix: 6983 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: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4719 Number of ARIN addresses announced to Internet: 1286026752 Equivalent to 76 /8s, 167 /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: 263922 Total RIPE prefixes after maximum aggregation: 122207 RIPE Deaggregation factor: 2.16 Prefixes being announced from the RIPE address blocks: 260819 Unique aggregates announced from the RIPE address blocks: 156175 RIPE Region origin ASes present in the Internet Routing Table: 28229 RIPE Prefixes per ASN: 9.24 RIPE Region origin ASes announcing only one prefix: 12041 RIPE Region transit ASes present in the Internet Routing Table: 3918 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10982 Number of RIPE addresses announced to Internet: 719294208 Equivalent to 42 /8s, 223 /16s and 143 /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: 117596 Total LACNIC prefixes after maximum aggregation: 28371 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 116816 Unique aggregates announced from the LACNIC address blocks: 48947 LACNIC Region origin ASes present in the Internet Routing Table: 11006 LACNIC Prefixes per ASN: 10.61 LACNIC Region origin ASes announcing only one prefix: 2666 LACNIC Region transit ASes present in the Internet Routing Table: 2274 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: 8772 Number of LACNIC addresses announced to Internet: 176077824 Equivalent to 10 /8s, 126 /16s and 188 /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: 28957 Total AfriNIC prefixes after maximum aggregation: 5719 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 36859 Unique aggregates announced from the AfriNIC address blocks: 12134 AfriNIC Region origin ASes present in the Internet Routing Table: 1715 AfriNIC Prefixes per ASN: 21.49 AfriNIC Region origin ASes announcing only one prefix: 595 AfriNIC Region transit ASes present in the Internet Routing Table: 329 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1057 Number of AfriNIC addresses announced to Internet: 108201728 Equivalent to 6 /8s, 115 /16s and 7 /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 9250 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5936 786 700 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3627 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3521 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3092 1867 88 VNPT-AS-VN VNPT Corp, VN 9498 2697 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2359 849 436 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2283 11250 588 KIXS-AS-KR Korea Telecom, KR 4538 2264 4192 73 ERX-CERNET-BKB China Education and Rese 45090 2195 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 7767 10702 2918 AMAZON-02, US 11492 4546 301 573 CABLEONE, US 7155 3895 265 33 VIASAT-SP-BACKBONE, US 22773 3689 3062 319 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3522 1320 63 SHAW, CA 16625 3458 1783 2511 AKAMAI-AS, US 749 3024 50575 2291 DNIC-AS-00749, US 7018 2622 24133 1590 ATT-INTERNET4, US 396982 2573 3493 368 GOOGLE-CLOUD-PLATFORM, US 30036 2569 369 373 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 6966 1706 146 UNI2-AS, ES 9121 6167 1692 17 TTNET, TR 39891 4556 268 59 ALJAWWALSTC-AS, SA 20940 4058 3400 177 AKAMAI-ASN1, NL 8551 3910 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2918 2290 908 ROSTELECOM-AS, RU 47331 2668 384 2011 TTNET, TR 9009 2647 252 1351 M247, RO 34984 2255 358 611 TELLCOM-AS, TR 6849 2194 339 20 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 10983 3338 590 Uninet S.A. de C.V., MX 10620 3469 507 852 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2204 361 593 Mega Cable, S.A. de C.V., MX 28573 1342 2328 258 Claro NXT Telecomunicacoes Ltda, BR 6503 1296 339 518 Axtel, S.A.B. de C.V., MX 3816 1291 740 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1151 370 22 Telefonica del Peru S.A.A., PE 11664 1137 186 459 Techtel LMDS Comunicaciones Interactiva 26615 991 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 1538 533 30 RAYA-AS, EG 24863 1480 393 21 LINKdotNET-AS, EG 36992 1327 1517 275 ETISALAT-MISR, EG 36903 1241 550 98 MT-MPLS, MA 29571 1014 67 43 ORANGE-COTE-IVOIRE, CI 36935 884 520 42 Vodafone-, EG 6713 611 1861 34 IAM-AS, MA 15399 517 53 43 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 24757 384 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 10983 3338 590 Uninet S.A. de C.V., MX 9808 9250 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7767 10702 2918 AMAZON-02, US 12479 6966 1706 146 UNI2-AS, ES 9121 6167 1692 17 TTNET, TR 7545 5936 786 700 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4556 268 59 ALJAWWALSTC-AS, SA 11492 4546 301 573 CABLEONE, US 20940 4058 3400 177 AKAMAI-ASN1, NL 8551 3910 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 9250 9203 CHINAMOBILE-CN China Mobile Communications Grou 12479 6966 6820 UNI2-AS, ES 9121 6167 6150 TTNET, TR 7545 5936 5236 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7767 4849 AMAZON-02, US 39891 4556 4497 ALJAWWALSTC-AS, SA 11492 4546 3973 CABLEONE, US 20940 4058 3881 AKAMAI-ASN1, NL 8551 3910 3872 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, 3402 UNALLOCATED 8.2.200.0/21 6939 HURRICANE, US 3402 UNALLOCATED 8.2.207.0/24 2914 NTT-LTD-2914, US 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 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 /13:582 /14:1200 /15:2076 /16:13500 /17:8296 /18:13887 /19:25039 /20:43495 /21:52134 /22:110016 /23:98203 /24:547792 /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 6020 6966 UNI2-AS, ES 9121 5324 6167 TTNET, TR 8151 4995 10983 Uninet S.A. de C.V., MX 39891 3547 4556 ALJAWWALSTC-AS, SA 11492 3453 4546 CABLEONE, US 8551 3375 3910 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3330 3522 SHAW, CA 7155 2984 3895 VIASAT-SP-BACKBONE, US 22773 2724 3689 ASN-CXA-ALL-CCI-22773-RDC, US 47331 2325 2668 TTNET, TR Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1627 2:1245 3:168 4:5 5:4110 6:110 7:5 8:1545 9:1 11:172 12:1596 13:372 14:2320 15:285 16:79 17:369 18:413 20:243 21:4 22:188 23:6052 24:2489 25:4 27:2722 29:19 31:2499 32:99 34:8 35:97 36:1853 37:4597 38:4015 39:831 40:144 41:3943 42:1052 43:2317 44:303 45:16425 46:4194 47:382 49:1728 50:1918 51:378 52:1545 54:394 55:802 56:8 57:81 58:1754 59:1169 60:1009 61:2414 62:2648 63:1938 64:5642 65:2320 66:4904 67:3040 68:1346 69:4113 70:1255 71:662 72:2972 74:2587 75:1465 76:597 77:2373 78:3935 79:3165 80:2066 81:1825 82:1479 83:1230 84:1515 85:3742 86:744 87:1927 88:2858 89:3537 90:592 91:7650 92:1990 93:2581 94:3523 95:4874 96:1307 97:344 98:1164 99:739 100:77 101:1064 102:2549 103:30845 104:4593 105:483 106:842 107:2534 108:913 109:4371 110:2048 111:3263 112:2027 113:1483 114:1599 115:2101 116:1851 117:2515 118:2290 119:1899 120:1717 121:1077 122:2592 123:2170 124:1542 125:2320 128:1316 129:1057 130:974 131:2017 132:842 133:405 134:1904 135:297 136:895 137:1065 138:2598 139:1549 140:1030 141:1483 142:1424 143:1445 144:1190 145:350 146:1903 147:1554 148:2302 149:1874 150:867 151:1131 152:1981 153:557 154:3855 155:1405 156:1657 157:1300 158:1048 159:2256 160:2567 161:1429 162:3552 163:1489 164:1692 165:1671 166:831 167:1755 168:3858 169:921 170:4585 171:888 172:3492 173:3012 174:1023 175:1161 176:3711 177:4764 178:3551 179:2136 180:2430 181:3361 182:3241 183:1936 184:2346 185:20004 186:4670 187:3927 188:4079 189:3451 190:9051 191:1430 192:10968 193:8872 194:7235 195:5141 196:2992 197:2397 198:5993 199:6107 200:7739 201:5883 202:10522 203:10252 204:4598 205:3513 206:3860 207:3404 208:4098 209:4807 210:4363 211:2423 212:4110 213:3571 214:1108 215:55 216:6598 217:2646 218:1293 219:472 220:2033 221:968 222:738 223:1972 End of report