IPv4 R&E Routing Table Report 21:10 GMT Sat 17 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: 915089 Prefixes after maximum aggregation (per Origin AS): 346556 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 443597 Number of IPv4 prefixes with a valid ROA: 373860 Number of IPv4 prefixes with an invalid ROA: 2815 Number of IPv4 prefixes with no ROA: 538414 Total ASes present in the Internet Routing Table: 73915 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 63528 Origin ASes announcing only one prefix: 26053 Transit ASes present in the Internet Routing Table: 10387 Transit-only ASes present in the Internet Routing Table: 427 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: 1029 Number of instances of unregistered ASNs: 1031 Number of 32-bit ASNs allocated by the RIRs: 40928 Number of 32-bit ASNs visible in the Routing Table: 33853 Prefixes from 32-bit ASNs in the Routing Table: 165333 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: 510 Number of addresses announced to Internet: 3061158400 Equivalent to 182 /8s, 117 /16s and 146 /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: 310458 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237494 Total APNIC prefixes after maximum aggregation: 68090 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 232416 Unique aggregates announced from the APNIC address blocks: 97250 APNIC Region origin ASes present in the Internet Routing Table: 13143 APNIC Prefixes per ASN: 17.68 APNIC Region origin ASes announcing only one prefix: 3827 APNIC Region transit ASes present in the Internet Routing Table: 1775 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8414 Number of APNIC addresses announced to Internet: 773295360 Equivalent to 46 /8s, 23 /16s and 141 /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: 267637 Total ARIN prefixes after maximum aggregation: 121969 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 269124 Unique aggregates announced from the ARIN address blocks: 129481 ARIN Region origin ASes present in the Internet Routing Table: 19058 ARIN Prefixes per ASN: 14.12 ARIN Region origin ASes announcing only one prefix: 6971 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: 4698 Number of ARIN addresses announced to Internet: 1288091136 Equivalent to 76 /8s, 198 /16s and 182 /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: 263125 Total RIPE prefixes after maximum aggregation: 121772 RIPE Deaggregation factor: 2.16 Prefixes being announced from the RIPE address blocks: 260037 Unique aggregates announced from the RIPE address blocks: 155615 RIPE Region origin ASes present in the Internet Routing Table: 28174 RIPE Prefixes per ASN: 9.23 RIPE Region origin ASes announcing only one prefix: 11998 RIPE Region transit ASes present in the Internet Routing Table: 3911 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: 10924 Number of RIPE addresses announced to Internet: 715438592 Equivalent to 42 /8s, 164 /16s and 186 /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: 117056 Total LACNIC prefixes after maximum aggregation: 28290 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 116381 Unique aggregates announced from the LACNIC address blocks: 48827 LACNIC Region origin ASes present in the Internet Routing Table: 11004 LACNIC Prefixes per ASN: 10.58 LACNIC Region origin ASes announcing only one prefix: 2661 LACNIC Region transit ASes present in the Internet Routing Table: 2263 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: 8768 Number of LACNIC addresses announced to Internet: 175929088 Equivalent to 10 /8s, 124 /16s and 119 /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: 5662 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 36620 Unique aggregates announced from the AfriNIC address blocks: 12008 AfriNIC Region origin ASes present in the Internet Routing Table: 1710 AfriNIC Prefixes per ASN: 21.42 AfriNIC Region origin ASes announcing only one prefix: 596 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: 1049 Number of AfriNIC addresses announced to Internet: 108078080 Equivalent to 6 /8s, 113 /16s and 36 /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 9159 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 3360 1867 87 VNPT-AS-VN VNPT Corp, VN 9498 2680 499 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2320 849 425 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2285 11250 590 KIXS-AS-KR Korea Telecom, KR 4538 2261 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 7758 10640 2916 AMAZON-02, US 11492 4545 301 564 CABLEONE, US 7155 3894 265 33 VIASAT-SP-BACKBONE, US 22773 3702 3066 330 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3520 1320 63 SHAW, CA 16625 3499 1823 2522 AKAMAI-AS, US 749 3026 50577 2293 DNIC-AS-00749, US 7018 2610 24143 1578 ATT-INTERNET4, US 396982 2574 3493 369 GOOGLE-CLOUD-PLATFORM, US 30036 2564 368 378 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 6936 1706 146 UNI2-AS, ES 9121 6285 1692 17 TTNET, TR 39891 4487 264 56 ALJAWWALSTC-AS, SA 20940 4077 3400 179 AKAMAI-ASN1, NL 8551 3700 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2917 2290 906 ROSTELECOM-AS, RU 9009 2652 252 1361 M247, RO 47331 2581 374 1953 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 10595 3336 598 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 2175 356 576 Mega Cable, S.A. de C.V., MX 28573 1339 2327 257 Claro NXT Telecomunicacoes Ltda, BR 3816 1291 740 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1229 338 519 Axtel, S.A.B. de C.V., MX 6147 1153 370 22 Telefonica del Peru S.A.A., PE 11664 1138 185 466 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 1537 393 21 LINKdotNET-AS, EG 36992 1362 1520 269 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1013 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 436 32 1 MOVITEL, MZ 2018 367 319 67 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 10595 3336 598 Uninet S.A. de C.V., MX 9808 9159 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7758 10640 2916 AMAZON-02, US 12479 6936 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 4487 264 56 ALJAWWALSTC-AS, SA 20940 4077 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 9159 9112 CHINAMOBILE-CN China Mobile Communications Grou 12479 6936 6790 UNI2-AS, ES 9121 6285 6268 TTNET, TR 7545 5932 5240 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7758 4842 AMAZON-02, US 39891 4487 4431 ALJAWWALSTC-AS, SA 11492 4545 3981 CABLEONE, US 20940 4077 3898 AKAMAI-ASN1, NL 7155 3894 3861 VIASAT-SP-BACKBONE, US 8551 3700 3662 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 /16:13497 /17:8302 /18:13878 /19:25058 /20:43630 /21:52180 /22:109952 /23:97959 /24:546305 /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 5979 6936 UNI2-AS, ES 9121 5431 6285 TTNET, TR 8151 4625 10595 Uninet S.A. de C.V., MX 39891 3542 4487 ALJAWWALSTC-AS, SA 11492 3452 4545 CABLEONE, US 6327 3328 3520 SHAW, CA 8551 3165 3700 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 2983 3894 VIASAT-SP-BACKBONE, US 22773 2727 3702 ASN-CXA-ALL-CCI-22773-RDC, US 47331 2245 2581 TTNET, TR Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1644 2:1226 3:168 4:5 5:4072 6:110 7:5 8:1551 9:1 11:172 12:1611 13:373 14:2362 15:287 16:75 17:372 18:405 20:243 21:4 22:188 23:6017 24:2473 25:4 27:2775 29:19 31:2494 32:107 34:8 35:95 36:1816 37:4594 38:3927 39:821 40:144 41:3940 42:1082 43:2320 44:307 45:16458 46:4190 47:381 49:1705 50:1934 51:374 52:1527 54:395 55:824 56:8 57:85 58:1783 59:1165 60:1008 61:2421 62:2603 63:1947 64:5658 65:2330 66:4925 67:3029 68:1362 69:4144 70:1257 71:671 72:2997 74:2610 75:1463 76:598 77:2324 78:3936 79:2944 80:2063 81:1830 82:1482 83:1239 84:1517 85:3779 86:739 87:1922 88:2829 89:3512 90:580 91:7620 92:1980 93:2565 94:3523 95:4835 96:1316 97:344 98:1172 99:741 100:77 101:1058 102:2521 103:30718 104:4612 105:485 106:846 107:2546 108:920 109:4339 110:2050 111:3238 112:2026 113:1512 114:1595 115:2094 116:1845 117:2479 118:2291 119:1912 120:1693 121:1069 122:2579 123:2170 124:1523 125:2302 128:1307 129:976 130:968 131:2016 132:848 133:400 134:1901 135:295 136:889 137:1062 138:2599 139:1515 140:1030 141:1483 142:1420 143:1452 144:1191 145:352 146:1902 147:1518 148:2289 149:1873 150:868 151:1151 152:1960 153:551 154:3790 155:1418 156:1630 157:1294 158:1044 159:2240 160:2576 161:1439 162:3545 163:1484 164:1691 165:1647 166:830 167:1754 168:3859 169:926 170:4569 171:887 172:3537 173:3057 174:1026 175:1152 176:3626 177:4758 178:3538 179:2140 180:2416 181:3356 182:3227 183:1935 184:2363 185:20002 186:4628 187:3880 188:4072 189:3415 190:9040 191:1431 192:11007 193:8824 194:7195 195:5117 196:2981 197:2342 198:6000 199:6097 200:7717 201:5667 202:10516 203:10247 204:4610 205:3518 206:3834 207:3402 208:4116 209:4837 210:4356 211:2422 212:4075 213:3559 214:1104 215:55 216:6593 217:2634 218:1286 219:473 220:2035 221:957 222:737 223:1993 End of report