IPv4 R&E Routing Table Report 21:10 GMT Fri 17 Feb, 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: 918416 Prefixes after maximum aggregation (per Origin AS): 348037 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 446211 Number of IPv4 prefixes with a valid ROA: 382055 Number of IPv4 prefixes with an invalid ROA: 2478 Number of IPv4 prefixes with no ROA: 533883 Total ASes present in the Internet Routing Table: 74100 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 63669 Origin ASes announcing only one prefix: 26086 Transit ASes present in the Internet Routing Table: 10431 Transit-only ASes present in the Internet Routing Table: 440 Paths with bogon ASNs present in the IPv4 Routing Table: 63 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: 1086 Number of instances of unregistered ASNs: 1099 Number of 32-bit ASNs allocated by the RIRs: 41202 Number of 32-bit ASNs visible in the Routing Table: 34158 Prefixes from 32-bit ASNs in the Routing Table: 167343 Number of bogon 32-bit ASNs visible in the Routing Table: 58 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 584 Number of addresses announced to Internet: 3062258176 Equivalent to 182 /8s, 134 /16s and 90 /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: 312000 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 238465 Total APNIC prefixes after maximum aggregation: 68581 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 233398 Unique aggregates announced from the APNIC address blocks: 97883 APNIC Region origin ASes present in the Internet Routing Table: 13285 APNIC Prefixes per ASN: 17.57 APNIC Region origin ASes announcing only one prefix: 3855 APNIC Region transit ASes present in the Internet Routing Table: 1789 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: 8573 Number of APNIC addresses announced to Internet: 773229312 Equivalent to 46 /8s, 22 /16s and 139 /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: 267471 Total ARIN prefixes after maximum aggregation: 121741 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 269449 Unique aggregates announced from the ARIN address blocks: 130233 ARIN Region origin ASes present in the Internet Routing Table: 19062 ARIN Prefixes per ASN: 14.14 ARIN Region origin ASes announcing only one prefix: 6970 ARIN Region transit ASes present in the Internet Routing Table: 1940 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: 4733 Number of ARIN addresses announced to Internet: 1285681152 Equivalent to 76 /8s, 161 /16s and 240 /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: 264728 Total RIPE prefixes after maximum aggregation: 122769 RIPE Deaggregation factor: 2.16 Prefixes being announced from the RIPE address blocks: 261264 Unique aggregates announced from the RIPE address blocks: 156643 RIPE Region origin ASes present in the Internet Routing Table: 28222 RIPE Prefixes per ASN: 9.26 RIPE Region origin ASes announcing only one prefix: 12025 RIPE Region transit ASes present in the Internet Routing Table: 3903 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 29 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11015 Number of RIPE addresses announced to Internet: 718494720 Equivalent to 42 /8s, 211 /16s and 92 /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: 117459 Total LACNIC prefixes after maximum aggregation: 28423 LACNIC Deaggregation factor: 4.13 Prefixes being announced from the LACNIC address blocks: 116721 Unique aggregates announced from the LACNIC address blocks: 48909 LACNIC Region origin ASes present in the Internet Routing Table: 10961 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2641 LACNIC Region transit ASes present in the Internet Routing Table: 2259 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: 8773 Number of LACNIC addresses announced to Internet: 176445184 Equivalent to 10 /8s, 132 /16s and 87 /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: 29207 Total AfriNIC prefixes after maximum aggregation: 5734 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 36999 Unique aggregates announced from the AfriNIC address blocks: 12090 AfriNIC Region origin ASes present in the Internet Routing Table: 1717 AfriNIC Prefixes per ASN: 21.55 AfriNIC Region origin ASes announcing only one prefix: 595 AfriNIC Region transit ASes present in the Internet Routing Table: 335 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: 1064 Number of AfriNIC addresses announced to Internet: 108056320 Equivalent to 6 /8s, 112 /16s and 207 /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 9447 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5820 787 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7713 3544 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3430 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3351 1867 88 VNPT-AS-VN VNPT Corp, VN 9498 2778 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2355 836 442 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11250 586 KIXS-AS-KR Korea Telecom, KR 4538 2197 4192 73 ERX-CERNET-BKB China Education and Rese 45090 2184 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 7961 10731 2863 AMAZON-02, US 11492 4535 300 597 CABLEONE, US 7155 3962 279 45 VIASAT-SP-BACKBONE, US 22773 3658 3080 288 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3503 1320 63 SHAW, CA 16625 3319 1674 2422 AKAMAI-AS, US 749 3036 50571 2303 DNIC-AS-00749, US 396982 2605 3583 352 GOOGLE-CLOUD-PLATFORM, US 7018 2603 24143 1581 ATT-INTERNET4, US 30036 2555 366 365 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 7075 1706 146 UNI2-AS, ES 9121 5988 1692 17 TTNET, TR 39891 4561 269 58 ALJAWWALSTC-AS, SA 20940 4037 3399 170 AKAMAI-ASN1, NL 8551 3893 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2928 2292 911 ROSTELECOM-AS, RU 9009 2669 254 1381 M247, RO 47331 2338 351 1760 TTNET, TR 34984 2265 359 609 TELLCOM-AS, TR 6849 2256 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 11135 3348 587 Uninet S.A. de C.V., MX 10620 3475 507 861 Telmex Colombia S.A., CO 11830 2259 369 64 Instituto Costarricense de Electricidad 13999 2256 375 610 Mega Cable, S.A. de C.V., MX 28573 1346 2328 260 Claro NXT Telecomunicacoes Ltda, BR 6503 1298 339 518 Axtel, S.A.B. de C.V., MX 3816 1292 746 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1151 370 22 Telefonica del Peru S.A.A., PE 11664 1100 180 452 Techtel LMDS Comunicaciones Interactiva 26615 1019 2498 45 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 1542 533 30 RAYA-AS, EG 24863 1497 393 21 LINKdotNET-AS, EG 36992 1348 1517 277 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1000 67 53 ORANGE-COTE-IVOIRE, CI 36935 886 520 42 Vodafone-, EG 6713 549 1861 34 IAM-AS, MA 15399 506 52 40 WANANCHI-, KE 24757 497 73 5 EthioNet-AS, ET 37342 488 32 1 MOVITEL, MZ 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 11135 3348 587 Uninet S.A. de C.V., MX 9808 9447 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 7961 10731 2863 AMAZON-02, US 12479 7075 1706 146 UNI2-AS, ES 9121 5988 1692 17 TTNET, TR 7545 5820 787 693 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 269 58 ALJAWWALSTC-AS, SA 11492 4535 300 597 CABLEONE, US 20940 4037 3399 170 AKAMAI-ASN1, NL 7155 3962 279 45 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 9447 9399 CHINAMOBILE-CN China Mobile Communications Grou 12479 7075 6929 UNI2-AS, ES 9121 5988 5971 TTNET, TR 7545 5820 5127 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7961 5098 AMAZON-02, US 39891 4561 4503 ALJAWWALSTC-AS, SA 11492 4535 3938 CABLEONE, US 7155 3962 3917 VIASAT-SP-BACKBONE, US 20940 4037 3867 AKAMAI-ASN1, NL 8551 3893 3856 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 3507 UNALLOCATED 5.105.166.0/24 213035 AS-SERVERION Serverion B.V., 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 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 1618 UNALLOCATED 8.21.143.0/24 136796 CL-JP-AS CORELINK JAPAN, JP 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 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 /11:103 /12:299 /13:580 /14:1201 /15:2075 /16:13479 /17:8271 /18:13809 /19:25037 /20:43679 /21:52079 /22:110061 /23:98116 /24:549558 /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 6135 7075 UNI2-AS, ES 9121 5144 5988 TTNET, TR 8151 5142 11135 Uninet S.A. de C.V., MX 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3451 4535 CABLEONE, US 8551 3365 3893 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3311 3503 SHAW, CA 7155 3037 3962 VIASAT-SP-BACKBONE, US 22773 2707 3658 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2212 2555 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1654 2:1240 3:168 4:5 5:4334 6:113 7:5 8:1526 9:1 11:172 12:1586 13:383 14:2334 15:293 16:103 17:365 18:396 20:248 21:4 22:188 23:6070 24:2519 25:4 27:2589 29:19 31:2496 32:107 34:9 35:106 36:1904 37:4637 38:4162 39:841 40:153 41:4035 42:1068 43:2334 44:301 45:16384 46:4202 47:380 49:1730 50:1830 51:383 52:1575 54:397 55:869 56:8 57:91 58:1752 59:1174 60:989 61:2430 62:2618 63:1931 64:5685 65:2320 66:4932 67:3044 68:1348 69:4155 70:1264 71:667 72:2990 74:2598 75:1458 76:606 77:2409 78:3802 79:3173 80:2083 81:1852 82:1493 83:1245 84:1516 85:3694 86:754 87:1972 88:2764 89:3617 90:609 91:7667 92:2014 93:2595 94:3527 95:4850 96:1335 97:346 98:1161 99:744 100:76 101:1064 102:2600 103:31026 104:4585 105:485 106:829 107:2524 108:917 109:4397 110:2077 111:3279 112:2040 113:1499 114:1605 115:2069 116:1854 117:2548 118:2296 119:1941 120:1735 121:1078 122:2602 123:2172 124:1549 125:2383 128:1340 129:1067 130:1000 131:1987 132:840 133:411 134:1911 135:297 136:863 137:1074 138:2571 139:1553 140:1185 141:1477 142:1425 143:1480 144:1212 145:347 146:1906 147:1561 148:2287 149:1905 150:873 151:1143 152:1842 153:560 154:3925 155:1418 156:1684 157:1300 158:998 159:2271 160:2538 161:1458 162:3561 163:1545 164:1597 165:1690 166:853 167:1739 168:3834 169:924 170:4562 171:869 172:3503 173:2975 174:1031 175:1170 176:3719 177:4620 178:3576 179:2151 180:2428 181:3407 182:3249 183:1934 184:2344 185:20037 186:4657 187:3963 188:4114 189:3525 190:9120 191:1454 192:10952 193:8834 194:7258 195:5125 196:3059 197:2397 198:5948 199:6115 200:7753 201:5882 202:10559 203:10213 204:4607 205:3524 206:3859 207:3443 208:4085 209:4841 210:4378 211:2426 212:4128 213:3564 214:1092 215:55 216:6611 217:2641 218:1296 219:463 220:2019 221:976 222:740 223:2121 End of report