IPv4 R&E Routing Table Report 21:10 GMT Fri 10 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: 918006 Prefixes after maximum aggregation (per Origin AS): 347871 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 446290 Number of IPv4 prefixes with a valid ROA: 381076 Number of IPv4 prefixes with an invalid ROA: 2885 Number of IPv4 prefixes with no ROA: 534045 Total ASes present in the Internet Routing Table: 74074 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 63622 Origin ASes announcing only one prefix: 26078 Transit ASes present in the Internet Routing Table: 10452 Transit-only ASes present in the Internet Routing Table: 442 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: 1081 Number of instances of unregistered ASNs: 1094 Number of 32-bit ASNs allocated by the RIRs: 41188 Number of 32-bit ASNs visible in the Routing Table: 34135 Prefixes from 32-bit ASNs in the Routing Table: 167073 Number of bogon 32-bit ASNs visible in the Routing Table: 59 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 565 Number of addresses announced to Internet: 3061918720 Equivalent to 182 /8s, 129 /16s and 44 /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: 311669 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 238375 Total APNIC prefixes after maximum aggregation: 68552 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 233361 Unique aggregates announced from the APNIC address blocks: 97936 APNIC Region origin ASes present in the Internet Routing Table: 13265 APNIC Prefixes per ASN: 17.59 APNIC Region origin ASes announcing only one prefix: 3831 APNIC Region transit ASes present in the Internet Routing Table: 1788 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 30 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8559 Number of APNIC addresses announced to Internet: 773231872 Equivalent to 46 /8s, 22 /16s and 149 /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: 267527 Total ARIN prefixes after maximum aggregation: 121760 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 269477 Unique aggregates announced from the ARIN address blocks: 130384 ARIN Region origin ASes present in the Internet Routing Table: 19071 ARIN Prefixes per ASN: 14.13 ARIN Region origin ASes announcing only one prefix: 6994 ARIN Region transit ASes present in the Internet Routing Table: 1942 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: 4739 Number of ARIN addresses announced to Internet: 1285563904 Equivalent to 76 /8s, 160 /16s and 38 /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: 264495 Total RIPE prefixes after maximum aggregation: 122605 RIPE Deaggregation factor: 2.16 Prefixes being announced from the RIPE address blocks: 261106 Unique aggregates announced from the RIPE address blocks: 156401 RIPE Region origin ASes present in the Internet Routing Table: 28201 RIPE Prefixes per ASN: 9.26 RIPE Region origin ASes announcing only one prefix: 12006 RIPE Region transit ASes present in the Internet Routing Table: 3921 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 39 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11005 Number of RIPE addresses announced to Internet: 718439936 Equivalent to 42 /8s, 210 /16s and 134 /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: 117193 Total LACNIC prefixes after maximum aggregation: 28413 LACNIC Deaggregation factor: 4.12 Prefixes being announced from the LACNIC address blocks: 116418 Unique aggregates announced from the LACNIC address blocks: 49074 LACNIC Region origin ASes present in the Internet Routing Table: 10977 LACNIC Prefixes per ASN: 10.61 LACNIC Region origin ASes announcing only one prefix: 2649 LACNIC Region transit ASes present in the Internet Routing Table: 2267 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: 176327680 Equivalent to 10 /8s, 130 /16s and 140 /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: 29335 Total AfriNIC prefixes after maximum aggregation: 5749 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 37078 Unique aggregates announced from the AfriNIC address blocks: 12046 AfriNIC Region origin ASes present in the Internet Routing Table: 1716 AfriNIC Prefixes per ASN: 21.61 AfriNIC Region origin ASes announcing only one prefix: 598 AfriNIC Region transit ASes present in the Internet Routing Table: 333 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: 108015872 Equivalent to 6 /8s, 112 /16s and 49 /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 5851 786 703 TPG-INTERNET-AP TPG Telecom Limited, AU 7713 3530 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 7552 3406 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3350 1867 88 VNPT-AS-VN VNPT Corp, VN 9498 2751 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2360 842 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2287 11250 587 KIXS-AS-KR Korea Telecom, KR 4538 2256 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 7967 10738 2841 AMAZON-02, US 11492 4535 300 599 CABLEONE, US 7155 3899 265 33 VIASAT-SP-BACKBONE, US 22773 3656 3079 287 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3503 1320 63 SHAW, CA 16625 3325 1681 2429 AKAMAI-AS, US 749 3038 50571 2305 DNIC-AS-00749, US 396982 2601 3583 349 GOOGLE-CLOUD-PLATFORM, US 7018 2595 24127 1577 ATT-INTERNET4, US 30036 2555 366 377 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 6992 1706 146 UNI2-AS, ES 9121 6138 1692 17 TTNET, TR 39891 4561 269 58 ALJAWWALSTC-AS, SA 20940 4037 3399 170 AKAMAI-ASN1, NL 8551 3894 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2926 2292 910 ROSTELECOM-AS, RU 9009 2701 257 1376 M247, RO 47331 2431 359 1833 TTNET, TR 34984 2265 359 609 TELLCOM-AS, TR 6849 2252 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 10815 3346 591 Uninet S.A. de C.V., MX 10620 3476 507 862 Telmex Colombia S.A., CO 11830 2262 369 64 Instituto Costarricense de Electricidad 13999 2247 375 606 Mega Cable, S.A. de C.V., MX 28573 1351 2328 263 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 1150 369 22 Telefonica del Peru S.A.A., PE 11664 1099 180 454 Techtel LMDS Comunicaciones Interactiva 26615 1018 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 1540 533 30 RAYA-AS, EG 24863 1502 393 21 LINKdotNET-AS, EG 36992 1348 1517 277 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 998 67 53 ORANGE-COTE-IVOIRE, CI 36935 885 520 42 Vodafone-, EG 6713 549 1861 34 IAM-AS, MA 15399 508 52 40 WANANCHI-, KE 24757 495 73 5 EthioNet-AS, ET 37342 494 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 10815 3346 591 Uninet S.A. de C.V., MX 9808 9447 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 7967 10738 2841 AMAZON-02, US 12479 6992 1706 146 UNI2-AS, ES 9121 6138 1692 17 TTNET, TR 7545 5851 786 703 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 269 58 ALJAWWALSTC-AS, SA 11492 4535 300 599 CABLEONE, US 20940 4037 3399 170 AKAMAI-ASN1, NL 7155 3899 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 9447 9399 CHINAMOBILE-CN China Mobile Communications Grou 12479 6992 6846 UNI2-AS, ES 9121 6138 6121 TTNET, TR 7545 5851 5148 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7967 5126 AMAZON-02, US 39891 4561 4503 ALJAWWALSTC-AS, SA 11492 4535 3936 CABLEONE, US 20940 4037 3867 AKAMAI-ASN1, NL 7155 3899 3866 VIASAT-SP-BACKBONE, US 8551 3894 3857 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 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 100.96.100.0/24 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 /14:1202 /15:2076 /16:13484 /17:8283 /18:13848 /19:25044 /20:43693 /21:52060 /22:109967 /23:98170 /24:549128 /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 6057 6992 UNI2-AS, ES 9121 5294 6138 TTNET, TR 8151 4859 10815 Uninet S.A. de C.V., MX 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3450 4535 CABLEONE, US 8551 3366 3894 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3311 3503 SHAW, CA 7155 2988 3899 VIASAT-SP-BACKBONE, US 22773 2706 3656 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) ---------------------------------------------- 1:1630 2:1239 3:168 4:5 5:4320 6:113 7:5 8:1530 9:1 11:172 12:1587 13:392 14:2335 15:290 16:79 17:365 18:400 20:244 21:4 22:188 23:6065 24:2529 25:4 27:2664 29:19 31:2509 32:105 34:8 35:106 36:1894 37:4588 38:4112 39:839 40:154 41:4039 42:1064 43:2336 44:303 45:16414 46:4148 47:381 49:1735 50:1836 51:383 52:1563 54:397 55:865 56:8 57:84 58:1750 59:1176 60:994 61:2422 62:2636 63:1932 64:5688 65:2322 66:4936 67:3044 68:1349 69:4152 70:1253 71:668 72:2987 74:2598 75:1458 76:603 77:2388 78:3870 79:3183 80:2088 81:1848 82:1491 83:1239 84:1528 85:3728 86:756 87:1960 88:2828 89:3587 90:594 91:7654 92:2014 93:2591 94:3540 95:4861 96:1333 97:346 98:1159 99:744 100:76 101:1069 102:2582 103:31028 104:4512 105:485 106:844 107:2522 108:916 109:4347 110:2083 111:3291 112:2042 113:1503 114:1603 115:2078 116:1844 117:2551 118:2294 119:1931 120:1735 121:1085 122:2596 123:2172 124:1549 125:2352 128:1334 129:1063 130:996 131:2000 132:843 133:406 134:1912 135:315 136:864 137:1071 138:2570 139:1555 140:1186 141:1477 142:1425 143:1488 144:1204 145:349 146:1892 147:1559 148:2287 149:1901 150:876 151:1141 152:1946 153:559 154:3912 155:1413 156:1677 157:1298 158:1009 159:2269 160:2543 161:1423 162:3540 163:1542 164:1609 165:1682 166:844 167:1745 168:3872 169:921 170:4563 171:868 172:3519 173:2972 174:1026 175:1169 176:3714 177:4585 178:3580 179:2150 180:2422 181:3401 182:3242 183:1932 184:2340 185:20020 186:4672 187:3907 188:4090 189:3495 190:9103 191:1457 192:10967 193:8819 194:7248 195:5139 196:3061 197:2414 198:5962 199:6094 200:7751 201:5715 202:10561 203:10228 204:4605 205:3505 206:3867 207:3439 208:4085 209:4849 210:4374 211:2424 212:4108 213:3564 214:1098 215:55 216:6623 217:2651 218:1296 219:463 220:2024 221:973 222:740 223:2074 End of report