IPv4 R&E Routing Table Report 21:10 GMT Tue 20 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: 915084 Prefixes after maximum aggregation (per Origin AS): 346469 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 443682 Number of IPv4 prefixes with a valid ROA: 373687 Number of IPv4 prefixes with an invalid ROA: 2836 Number of IPv4 prefixes with no ROA: 538561 Total ASes present in the Internet Routing Table: 73901 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 63508 Origin ASes announcing only one prefix: 26047 Transit ASes present in the Internet Routing Table: 10393 Transit-only ASes present in the Internet Routing Table: 423 Paths with bogon ASNs present in the IPv4 Routing Table: 58 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: 1022 Number of instances of unregistered ASNs: 1024 Number of 32-bit ASNs allocated by the RIRs: 40934 Number of 32-bit ASNs visible in the Routing Table: 33871 Prefixes from 32-bit ASNs in the Routing Table: 165447 Number of bogon 32-bit ASNs visible in the Routing Table: 37 Special use prefixes present in the Routing Table: 4 Prefixes being announced from unallocated address space: 513 Number of addresses announced to Internet: 3060893440 Equivalent to 182 /8s, 113 /16s and 135 /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: 310559 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237626 Total APNIC prefixes after maximum aggregation: 68122 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 232469 Unique aggregates announced from the APNIC address blocks: 97321 APNIC Region origin ASes present in the Internet Routing Table: 13165 APNIC Prefixes per ASN: 17.66 APNIC Region origin ASes announcing only one prefix: 3832 APNIC Region transit ASes present in the Internet Routing Table: 1776 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: 8431 Number of APNIC addresses announced to Internet: 773341440 Equivalent to 46 /8s, 24 /16s and 65 /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: 267531 Total ARIN prefixes after maximum aggregation: 121997 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 269043 Unique aggregates announced from the ARIN address blocks: 129484 ARIN Region origin ASes present in the Internet Routing Table: 19051 ARIN Prefixes per ASN: 14.12 ARIN Region origin ASes announcing only one prefix: 6966 ARIN Region transit ASes present in the Internet Routing Table: 1923 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: 4700 Number of ARIN addresses announced to Internet: 1288088320 Equivalent to 76 /8s, 198 /16s and 171 /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: 262528 Total RIPE prefixes after maximum aggregation: 121606 RIPE Deaggregation factor: 2.16 Prefixes being announced from the RIPE address blocks: 259479 Unique aggregates announced from the RIPE address blocks: 155535 RIPE Region origin ASes present in the Internet Routing Table: 28142 RIPE Prefixes per ASN: 9.22 RIPE Region origin ASes announcing only one prefix: 11979 RIPE Region transit ASes present in the Internet Routing Table: 3906 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10914 Number of RIPE addresses announced to Internet: 715074304 Equivalent to 42 /8s, 159 /16s and 43 /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: 117527 Total LACNIC prefixes after maximum aggregation: 28300 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116850 Unique aggregates announced from the LACNIC address blocks: 48921 LACNIC Region origin ASes present in the Internet Routing Table: 11006 LACNIC Prefixes per ASN: 10.62 LACNIC Region origin ASes announcing only one prefix: 2669 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: 8772 Number of LACNIC addresses announced to Internet: 175932416 Equivalent to 10 /8s, 124 /16s and 132 /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: 28850 Total AfriNIC prefixes after maximum aggregation: 5673 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 36729 Unique aggregates announced from the AfriNIC address blocks: 12001 AfriNIC Region origin ASes present in the Internet Routing Table: 1715 AfriNIC Prefixes per ASN: 21.42 AfriNIC Region origin ASes announcing only one prefix: 601 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: 1054 Number of AfriNIC addresses announced to Internet: 108127232 Equivalent to 6 /8s, 113 /16s and 228 /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 9158 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5932 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3625 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3520 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3354 1867 87 VNPT-AS-VN VNPT Corp, VN 9498 2677 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2349 849 437 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2285 11250 590 KIXS-AS-KR Korea Telecom, KR 4538 2263 4192 73 ERX-CERNET-BKB China Education and Rese 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 7762 10639 2925 AMAZON-02, US 11492 4545 301 564 CABLEONE, US 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3695 3065 323 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3520 1320 63 SHAW, CA 16625 3483 1809 2520 AKAMAI-AS, US 749 3026 50577 2293 DNIC-AS-00749, US 7018 2601 24143 1576 ATT-INTERNET4, US 396982 2575 3493 370 GOOGLE-CLOUD-PLATFORM, US 30036 2557 367 412 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 6938 1706 146 UNI2-AS, ES 9121 6285 1692 17 TTNET, TR 39891 4488 264 57 ALJAWWALSTC-AS, SA 20940 4063 3400 179 AKAMAI-ASN1, NL 8551 3698 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2914 2290 906 ROSTELECOM-AS, RU 9009 2652 252 1361 M247, RO 47331 2276 342 1781 TTNET, TR 34984 2255 358 611 TELLCOM-AS, TR 6849 2221 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 10911 3338 594 Uninet S.A. de C.V., MX 10620 3466 507 852 Telmex Colombia S.A., CO 11830 2261 369 64 Instituto Costarricense de Electricidad 13999 2184 357 579 Mega Cable, S.A. de C.V., MX 28573 1340 2327 257 Claro NXT Telecomunicacoes Ltda, BR 6503 1295 339 523 Axtel, S.A.B. de C.V., MX 3816 1291 740 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1153 370 22 Telefonica del Peru S.A.A., PE 11664 1141 186 461 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 1550 537 31 RAYA-AS, EG 24863 1538 393 21 LINKdotNET-AS, EG 36992 1362 1520 269 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1011 67 40 ORANGE-COTE-IVOIRE, CI 36935 883 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 527 53 45 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 2018 371 319 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 10911 3338 594 Uninet S.A. de C.V., MX 9808 9158 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7762 10639 2925 AMAZON-02, US 12479 6938 1706 146 UNI2-AS, ES 9121 6285 1692 17 TTNET, TR 7545 5932 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4545 301 564 CABLEONE, US 39891 4488 264 57 ALJAWWALSTC-AS, SA 20940 4063 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 9158 9111 CHINAMOBILE-CN China Mobile Communications Grou 12479 6938 6792 UNI2-AS, ES 9121 6285 6268 TTNET, TR 7545 5932 5240 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7762 4837 AMAZON-02, US 39891 4488 4431 ALJAWWALSTC-AS, SA 11492 4545 3981 CABLEONE, US 20940 4063 3884 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 /15:2075 /16:13494 /17:8296 /18:13892 /19:25048 /20:43619 /21:52145 /22:109864 /23:97938 /24:546462 /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 5985 6938 UNI2-AS, ES 9121 5431 6285 TTNET, TR 8151 4900 10911 Uninet S.A. de C.V., MX 39891 3543 4488 ALJAWWALSTC-AS, SA 11492 3452 4545 CABLEONE, US 6327 3328 3520 SHAW, CA 8551 3163 3698 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 2983 3894 VIASAT-SP-BACKBONE, US 22773 2726 3695 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2216 2557 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1623 2:1225 3:168 4:5 5:4109 6:110 7:5 8:1550 9:1 11:172 12:1611 13:370 14:2366 15:287 16:76 17:372 18:406 20:243 21:4 22:188 23:6010 24:2475 25:4 27:2780 29:19 31:2495 32:105 34:8 35:95 36:1815 37:4582 38:3929 39:821 40:144 41:3928 42:1051 43:2319 44:306 45:16455 46:4206 47:381 49:1707 50:1933 51:374 52:1541 54:396 55:784 56:8 57:85 58:1757 59:1169 60:1010 61:2421 62:2606 63:1947 64:5653 65:2326 66:4925 67:3033 68:1363 69:4141 70:1257 71:673 72:2992 74:2611 75:1466 76:599 77:2335 78:3861 79:2940 80:2065 81:1818 82:1484 83:1238 84:1515 85:3734 86:743 87:1922 88:2794 89:3513 90:585 91:7621 92:1981 93:2561 94:3523 95:4773 96:1317 97:344 98:1172 99:741 100:77 101:1059 102:2520 103:30759 104:4617 105:484 106:849 107:2540 108:919 109:4310 110:2040 111:3259 112:2026 113:1510 114:1597 115:2094 116:1848 117:2479 118:2288 119:1914 120:1693 121:1073 122:2588 123:2169 124:1523 125:2304 128:1306 129:974 130:974 131:2010 132:842 133:400 134:1897 135:295 136:886 137:1062 138:2599 139:1517 140:1031 141:1484 142:1420 143:1449 144:1191 145:352 146:1903 147:1522 148:2294 149:1872 150:868 151:1145 152:1964 153:555 154:3790 155:1420 156:1631 157:1298 158:1038 159:2236 160:2576 161:1433 162:3543 163:1490 164:1688 165:1649 166:829 167:1754 168:3867 169:926 170:4564 171:886 172:3539 173:3056 174:1026 175:1151 176:3634 177:4792 178:3534 179:2147 180:2415 181:3351 182:3228 183:1934 184:2364 185:19988 186:4654 187:3922 188:4046 189:3451 190:9045 191:1466 192:10991 193:8822 194:7177 195:5100 196:2975 197:2408 198:6002 199:6106 200:7740 201:5870 202:10526 203:10238 204:4611 205:3525 206:3840 207:3402 208:4117 209:4841 210:4356 211:2420 212:4063 213:3549 214:1107 215:55 216:6604 217:2646 218:1289 219:472 220:2033 221:957 222:737 223:1995 End of report