IPv4 R&E Routing Table Report 21:10 GMT Wed 25 Jan, 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: 917463 Prefixes after maximum aggregation (per Origin AS): 347406 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 444973 Number of IPv4 prefixes with a valid ROA: 378375 Number of IPv4 prefixes with an invalid ROA: 2790 Number of IPv4 prefixes with no ROA: 536298 Total ASes present in the Internet Routing Table: 74098 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 63677 Origin ASes announcing only one prefix: 26154 Transit ASes present in the Internet Routing Table: 10421 Transit-only ASes present in the Internet Routing Table: 422 Paths with bogon ASNs present in the IPv4 Routing Table: 53 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: 984 Number of instances of unregistered ASNs: 995 Number of 32-bit ASNs allocated by the RIRs: 41113 Number of 32-bit ASNs visible in the Routing Table: 34086 Prefixes from 32-bit ASNs in the Routing Table: 166866 Number of bogon 32-bit ASNs visible in the Routing Table: 57 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 510 Number of addresses announced to Internet: 3062645504 Equivalent to 182 /8s, 140 /16s and 67 /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: 311479 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 238081 Total APNIC prefixes after maximum aggregation: 68416 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 233202 Unique aggregates announced from the APNIC address blocks: 97953 APNIC Region origin ASes present in the Internet Routing Table: 13252 APNIC Prefixes per ASN: 17.60 APNIC Region origin ASes announcing only one prefix: 3859 APNIC Region transit ASes present in the Internet Routing Table: 1791 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 28 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8526 Number of APNIC addresses announced to Internet: 773389568 Equivalent to 46 /8s, 24 /16s and 253 /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: 267222 Total ARIN prefixes after maximum aggregation: 121726 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 269144 Unique aggregates announced from the ARIN address blocks: 129528 ARIN Region origin ASes present in the Internet Routing Table: 19081 ARIN Prefixes per ASN: 14.11 ARIN Region origin ASes announcing only one prefix: 6999 ARIN Region transit ASes present in the Internet Routing Table: 1935 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: 4727 Number of ARIN addresses announced to Internet: 1285738752 Equivalent to 76 /8s, 162 /16s and 209 /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: 264311 Total RIPE prefixes after maximum aggregation: 122428 RIPE Deaggregation factor: 2.16 Prefixes being announced from the RIPE address blocks: 260807 Unique aggregates announced from the RIPE address blocks: 156075 RIPE Region origin ASes present in the Internet Routing Table: 28227 RIPE Prefixes per ASN: 9.24 RIPE Region origin ASes announcing only one prefix: 12028 RIPE Region transit ASes present in the Internet Routing Table: 3909 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: 10992 Number of RIPE addresses announced to Internet: 718962688 Equivalent to 42 /8s, 218 /16s and 128 /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: 117681 Total LACNIC prefixes after maximum aggregation: 28344 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116858 Unique aggregates announced from the LACNIC address blocks: 48977 LACNIC Region origin ASes present in the Internet Routing Table: 11007 LACNIC Prefixes per ASN: 10.62 LACNIC Region origin ASes announcing only one prefix: 2666 LACNIC Region transit ASes present in the Internet Routing Table: 2265 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: 8775 Number of LACNIC addresses announced to Internet: 176208384 Equivalent to 10 /8s, 128 /16s and 186 /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: 29184 Total AfriNIC prefixes after maximum aggregation: 5739 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 36941 Unique aggregates announced from the AfriNIC address blocks: 12025 AfriNIC Region origin ASes present in the Internet Routing Table: 1721 AfriNIC Prefixes per ASN: 21.46 AfriNIC Region origin ASes announcing only one prefix: 602 AfriNIC Region transit ASes present in the Internet Routing Table: 332 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: 1066 Number of AfriNIC addresses announced to Internet: 108051200 Equivalent to 6 /8s, 112 /16s and 187 /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 9440 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5925 787 703 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3568 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3519 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3095 1867 88 VNPT-AS-VN VNPT Corp, VN 9498 2714 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2362 848 437 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2286 11250 588 KIXS-AS-KR Korea Telecom, KR 4538 2264 4192 73 ERX-CERNET-BKB China Education and Rese 45090 2183 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 7817 10706 2914 AMAZON-02, US 11492 4530 300 605 CABLEONE, US 7155 3895 265 33 VIASAT-SP-BACKBONE, US 22773 3694 3066 323 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3500 1320 63 SHAW, CA 16625 3465 1779 2509 AKAMAI-AS, US 749 3024 50575 2291 DNIC-AS-00749, US 7018 2593 24128 1575 ATT-INTERNET4, US 396982 2584 3490 373 GOOGLE-CLOUD-PLATFORM, US 30036 2556 366 395 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 6983 1706 146 UNI2-AS, ES 9121 6163 1692 17 TTNET, TR 39891 4561 269 58 ALJAWWALSTC-AS, SA 20940 4046 3399 173 AKAMAI-ASN1, NL 8551 3909 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2919 2290 908 ROSTELECOM-AS, RU 9009 2695 256 1362 M247, RO 47331 2652 383 1997 TTNET, TR 34984 2259 358 610 TELLCOM-AS, TR 6849 2196 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 11063 3340 589 Uninet S.A. de C.V., MX 10620 3474 507 856 Telmex Colombia S.A., CO 11830 2260 369 64 Instituto Costarricense de Electricidad 13999 2228 367 594 Mega Cable, S.A. de C.V., MX 28573 1352 2327 261 Claro NXT Telecomunicacoes Ltda, BR 6503 1298 339 518 Axtel, S.A.B. de C.V., MX 3816 1291 742 156 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1150 369 22 Telefonica del Peru S.A.A., PE 11664 1138 186 459 Techtel LMDS Comunicaciones Interactiva 26615 1008 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 1513 533 29 RAYA-AS, EG 24863 1502 393 21 LINKdotNET-AS, EG 36992 1337 1517 277 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1009 67 47 ORANGE-COTE-IVOIRE, CI 36935 884 520 42 Vodafone-, EG 6713 611 1861 34 IAM-AS, MA 15399 522 53 44 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 24757 493 73 5 EthioNet-AS, ET 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 11063 3340 589 Uninet S.A. de C.V., MX 9808 9440 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7817 10706 2914 AMAZON-02, US 12479 6983 1706 146 UNI2-AS, ES 9121 6163 1692 17 TTNET, TR 7545 5925 787 703 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 269 58 ALJAWWALSTC-AS, SA 11492 4530 300 605 CABLEONE, US 20940 4046 3399 173 AKAMAI-ASN1, NL 8551 3909 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 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 9440 9393 CHINAMOBILE-CN China Mobile Communications Grou 12479 6983 6837 UNI2-AS, ES 9121 6163 6146 TTNET, TR 7545 5925 5222 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7817 4903 AMAZON-02, US 39891 4561 4503 ALJAWWALSTC-AS, SA 11492 4530 3925 CABLEONE, US 20940 4046 3873 AKAMAI-ASN1, NL 8551 3909 3871 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3895 3862 VIASAT-SP-BACKBONE, US 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 100.96.100.0/24 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: 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 /11:101 /12:299 /13:582 /14:1202 /15:2078 /16:13494 /17:8301 /18:13898 /19:25052 /20:43544 /21:52083 /22:109924 /23:98388 /24:548448 /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 6051 6983 UNI2-AS, ES 9121 5320 6163 TTNET, TR 8151 5074 11063 Uninet S.A. de C.V., MX 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3445 4530 CABLEONE, US 8551 3374 3909 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3308 3500 SHAW, CA 7155 2984 3895 VIASAT-SP-BACKBONE, US 22773 2726 3694 ASN-CXA-ALL-CCI-22773-RDC, US 47331 2309 2652 TTNET, TR Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1630 2:1235 3:168 4:5 5:4115 6:111 7:5 8:1535 9:1 11:172 12:1582 13:376 14:2313 15:286 16:79 17:369 18:387 20:243 21:4 22:188 23:6067 24:2526 25:4 27:2719 29:19 31:2498 32:101 34:9 35:106 36:1877 37:4587 38:4051 39:833 40:154 41:3945 42:1053 43:2327 44:303 45:16419 46:4155 47:381 49:1729 50:1890 51:380 52:1551 54:395 55:856 56:8 57:83 58:1755 59:1173 60:1008 61:2419 62:2623 63:1938 64:5672 65:2312 66:4915 67:3040 68:1340 69:4144 70:1254 71:666 72:2971 74:2591 75:1457 76:601 77:2384 78:3926 79:3176 80:2071 81:1836 82:1482 83:1237 84:1522 85:3733 86:743 87:1943 88:2864 89:3548 90:596 91:7642 92:1999 93:2590 94:3519 95:4873 96:1328 97:347 98:1160 99:739 100:76 101:1062 102:2568 103:30973 104:4601 105:483 106:846 107:2524 108:922 109:4377 110:2088 111:3291 112:2043 113:1473 114:1601 115:2095 116:1846 117:2563 118:2288 119:1910 120:1736 121:1079 122:2596 123:2180 124:1545 125:2328 128:1325 129:1058 130:984 131:1984 132:843 133:406 134:1914 135:298 136:878 137:1071 138:2589 139:1556 140:1049 141:1484 142:1424 143:1495 144:1196 145:349 146:1878 147:1557 148:2300 149:1887 150:869 151:1136 152:1946 153:558 154:3932 155:1407 156:1661 157:1296 158:1043 159:2262 160:2552 161:1472 162:3554 163:1491 164:1609 165:1669 166:836 167:1759 168:3892 169:919 170:4579 171:893 172:3515 173:2983 174:1023 175:1171 176:3697 177:4634 178:3557 179:2154 180:2427 181:3375 182:3239 183:1937 184:2341 185:20003 186:4697 187:3899 188:4087 189:3509 190:9103 191:1449 192:10966 193:8837 194:7218 195:5141 196:3015 197:2399 198:5959 199:6115 200:7718 201:5865 202:10523 203:10243 204:4598 205:3496 206:3872 207:3428 208:4083 209:4825 210:4360 211:2428 212:4100 213:3569 214:1090 215:56 216:6625 217:2628 218:1297 219:464 220:2030 221:972 222:740 223:2067 End of report