IPv4 R&E Routing Table Report 21:10 GMT Tue 13 Dec, 2022 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: 915239 Prefixes after maximum aggregation (per Origin AS): 346398 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 443361 Number of IPv4 prefixes with a valid ROA: 373254 Number of IPv4 prefixes with an invalid ROA: 2969 Number of IPv4 prefixes with no ROA: 539016 Total ASes present in the Internet Routing Table: 73917 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 63518 Origin ASes announcing only one prefix: 26048 Transit ASes present in the Internet Routing Table: 10399 Transit-only ASes present in the Internet Routing Table: 430 Paths with bogon ASNs present in the IPv4 Routing Table: 61 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: 1061 Number of instances of unregistered ASNs: 1063 Number of 32-bit ASNs allocated by the RIRs: 40873 Number of 32-bit ASNs visible in the Routing Table: 33833 Prefixes from 32-bit ASNs in the Routing Table: 165255 Number of bogon 32-bit ASNs visible in the Routing Table: 35 Special use prefixes present in the Routing Table: 4 Prefixes being announced from unallocated address space: 520 Number of addresses announced to Internet: 3061994496 Equivalent to 182 /8s, 130 /16s and 84 /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: 310764 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237578 Total APNIC prefixes after maximum aggregation: 68080 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 232499 Unique aggregates announced from the APNIC address blocks: 97268 APNIC Region origin ASes present in the Internet Routing Table: 13140 APNIC Prefixes per ASN: 17.69 APNIC Region origin ASes announcing only one prefix: 3827 APNIC Region transit ASes present in the Internet Routing Table: 1767 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: 8409 Number of APNIC addresses announced to Internet: 773300224 Equivalent to 46 /8s, 23 /16s and 160 /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: 267586 Total ARIN prefixes after maximum aggregation: 121920 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 269073 Unique aggregates announced from the ARIN address blocks: 129409 ARIN Region origin ASes present in the Internet Routing Table: 19049 ARIN Prefixes per ASN: 14.13 ARIN Region origin ASes announcing only one prefix: 6964 ARIN Region transit ASes present in the Internet Routing Table: 1932 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: 4692 Number of ARIN addresses announced to Internet: 1288173056 Equivalent to 76 /8s, 199 /16s and 246 /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: 262838 Total RIPE prefixes after maximum aggregation: 121612 RIPE Deaggregation factor: 2.16 Prefixes being announced from the RIPE address blocks: 259906 Unique aggregates announced from the RIPE address blocks: 155459 RIPE Region origin ASes present in the Internet Routing Table: 28187 RIPE Prefixes per ASN: 9.22 RIPE Region origin ASes announcing only one prefix: 11999 RIPE Region transit ASes present in the Internet Routing Table: 3916 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: 10922 Number of RIPE addresses announced to Internet: 716006144 Equivalent to 42 /8s, 173 /16s and 99 /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: 117428 Total LACNIC prefixes after maximum aggregation: 28328 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116747 Unique aggregates announced from the LACNIC address blocks: 48766 LACNIC Region origin ASes present in the Internet Routing Table: 10996 LACNIC Prefixes per ASN: 10.62 LACNIC Region origin ASes announcing only one prefix: 2659 LACNIC Region transit ASes present in the Internet Routing Table: 2264 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: 8760 Number of LACNIC addresses announced to Internet: 176059136 Equivalent to 10 /8s, 126 /16s and 115 /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: 28748 Total AfriNIC prefixes after maximum aggregation: 5666 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 36493 Unique aggregates announced from the AfriNIC address blocks: 12032 AfriNIC Region origin ASes present in the Internet Routing Table: 1714 AfriNIC Prefixes per ASN: 21.29 AfriNIC Region origin ASes announcing only one prefix: 599 AfriNIC Region transit ASes present in the Internet Routing Table: 329 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: 1050 Number of AfriNIC addresses announced to Internet: 108128000 Equivalent to 6 /8s, 113 /16s and 231 /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 9157 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5939 786 690 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3624 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3520 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3359 1867 87 VNPT-AS-VN VNPT Corp, VN 9498 2589 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4538 2451 4192 73 ERX-CERNET-BKB China Education and Rese 24560 2314 847 429 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2288 11250 593 KIXS-AS-KR Korea Telecom, KR 45090 2180 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 7731 10632 2899 AMAZON-02, US 11492 4544 301 567 CABLEONE, US 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3700 3066 328 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3520 1320 63 SHAW, CA 16625 3483 1814 2521 AKAMAI-AS, US 749 3030 50577 2297 DNIC-AS-00749, US 7018 2592 24127 1564 ATT-INTERNET4, US 396982 2570 3483 365 GOOGLE-CLOUD-PLATFORM, US 30036 2563 368 384 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 6952 1730 151 UNI2-AS, ES 9121 6416 1692 17 TTNET, TR 39891 4282 251 52 ALJAWWALSTC-AS, SA 20940 4070 3400 179 AKAMAI-ASN1, NL 8551 3698 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2919 2290 906 ROSTELECOM-AS, RU 9009 2651 252 1360 M247, RO 47331 2452 360 1851 TTNET, TR 34984 2252 358 609 TELLCOM-AS, TR 6849 2193 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 10705 3336 603 Uninet S.A. de C.V., MX 10620 3465 507 851 Telmex Colombia S.A., CO 11830 2261 369 64 Instituto Costarricense de Electricidad 13999 2171 357 567 Mega Cable, S.A. de C.V., MX 28573 1332 2327 257 Claro NXT Telecomunicacoes Ltda, BR 3816 1291 740 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1290 339 523 Axtel, S.A.B. de C.V., MX 6147 1154 370 22 Telefonica del Peru S.A.A., PE 11664 1136 184 465 Techtel LMDS Comunicaciones Interactiva 26615 986 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 1529 537 31 RAYA-AS, EG 24863 1527 393 21 LINKdotNET-AS, EG 36992 1362 1520 269 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1014 67 40 ORANGE-COTE-IVOIRE, CI 36935 883 520 42 Vodafone-, EG 6713 613 1863 34 IAM-AS, MA 15399 527 53 45 WANANCHI-, KE 37342 442 32 1 MOVITEL, MZ 2018 376 319 72 TENET-1, ZA 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 10705 3336 603 Uninet S.A. de C.V., MX 9808 9157 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7731 10632 2899 AMAZON-02, US 12479 6952 1730 151 UNI2-AS, ES 9121 6416 1692 17 TTNET, TR 7545 5939 786 690 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4544 301 567 CABLEONE, US 39891 4282 251 52 ALJAWWALSTC-AS, SA 20940 4070 3400 179 AKAMAI-ASN1, NL 7155 3894 265 33 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 9157 9110 CHINAMOBILE-CN China Mobile Communications Grou 12479 6952 6801 UNI2-AS, ES 9121 6416 6399 TTNET, TR 7545 5939 5249 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7731 4832 AMAZON-02, US 39891 4282 4230 ALJAWWALSTC-AS, SA 11492 4544 3977 CABLEONE, US 20940 4070 3891 AKAMAI-ASN1, NL 7155 3894 3861 VIASAT-SP-BACKBONE, US 8551 3698 3660 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 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 100.88.0.0/17 264275 ROLIM NET TECNOLOGIA LTDA, BR 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: 46450 PILOT, US 23.131.188.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.190.0/24 Origin: 7018 ATT-INTERNET4, US 23.131.190.0/24 Transit: 6461 ZAYO-6461, US 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 /11:100 /12:299 /13:587 /14:1196 /15:2077 /16:13511 /17:8320 /18:13871 /19:25027 /20:43717 /21:52230 /22:109865 /23:97885 /24:546485 /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 5992 6952 UNI2-AS, ES 9121 5556 6416 TTNET, TR 8151 4702 10705 Uninet S.A. de C.V., MX 39891 3465 4282 ALJAWWALSTC-AS, SA 11492 3454 4544 CABLEONE, US 6327 3328 3520 SHAW, CA 8551 3163 3698 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 2983 3894 VIASAT-SP-BACKBONE, US 22773 2727 3700 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2222 2563 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1653 2:1221 3:168 4:5 5:4086 6:110 7:5 8:1553 9:1 11:172 12:1612 13:370 14:2367 15:287 16:75 17:372 18:396 20:243 21:4 22:188 23:6015 24:2473 25:4 27:2782 29:19 31:2480 32:103 34:8 35:95 36:1814 37:4591 38:3929 39:817 40:144 41:3921 42:1091 43:2321 44:306 45:16448 46:4161 47:378 49:1704 50:1940 51:246 52:1527 54:395 55:842 56:8 57:85 58:1792 59:1165 60:1009 61:2420 62:2603 63:1952 64:5643 65:2330 66:4923 67:3032 68:1373 69:4139 70:1259 71:671 72:2992 74:2610 75:1464 76:598 77:2270 78:3942 79:2939 80:2052 81:1818 82:1491 83:1238 84:1510 85:3753 86:750 87:1922 88:2827 89:3513 90:578 91:7639 92:1981 93:2564 94:3524 95:4837 96:1317 97:344 98:1173 99:740 100:70 101:1061 102:2521 103:30680 104:4600 105:485 106:828 107:2540 108:917 109:4334 110:2049 111:3263 112:2023 113:1514 114:1594 115:2093 116:1850 117:2478 118:2295 119:1919 120:1695 121:1071 122:2589 123:2167 124:1523 125:2211 128:1288 129:974 130:972 131:2019 132:845 133:400 134:1907 135:294 136:885 137:1063 138:2600 139:1515 140:1036 141:1493 142:1416 143:1463 144:1194 145:352 146:1900 147:1512 148:2304 149:1885 150:868 151:1149 152:1960 153:537 154:3803 155:1413 156:1636 157:1289 158:1043 159:2245 160:2578 161:1432 162:3551 163:1481 164:1686 165:1646 166:838 167:1754 168:3860 169:924 170:4574 171:872 172:3530 173:3065 174:1035 175:1151 176:3633 177:4779 178:3552 179:2141 180:2415 181:3349 182:3224 183:1935 184:2365 185:20013 186:4643 187:3923 188:4092 189:3458 190:9141 191:1473 192:11008 193:8824 194:7206 195:5117 196:2988 197:2366 198:6006 199:6102 200:7731 201:5707 202:10527 203:10266 204:4609 205:3512 206:3831 207:3411 208:4113 209:4833 210:4361 211:2431 212:4070 213:3562 214:1111 215:55 216:6624 217:2651 218:1289 219:475 220:2036 221:956 222:742 223:1990 End of report