IPv4 R&E Routing Table Report 21:10 GMT Fri 20 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: 917368 Prefixes after maximum aggregation (per Origin AS): 347108 Deaggregation factor: 2.64 Unique aggregates announced (without unneeded subnets): 444997 Number of IPv4 prefixes with a valid ROA: 377565 Number of IPv4 prefixes with an invalid ROA: 2846 Number of IPv4 prefixes with no ROA: 536957 Total ASes present in the Internet Routing Table: 74072 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 63651 Origin ASes announcing only one prefix: 26140 Transit ASes present in the Internet Routing Table: 10421 Transit-only ASes present in the Internet Routing Table: 421 Paths with bogon ASNs present in the IPv4 Routing Table: 55 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: 41076 Number of 32-bit ASNs visible in the Routing Table: 34051 Prefixes from 32-bit ASNs in the Routing Table: 166727 Number of bogon 32-bit ASNs visible in the Routing Table: 55 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 504 Number of addresses announced to Internet: 3062818816 Equivalent to 182 /8s, 142 /16s and 232 /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: 311499 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 238055 Total APNIC prefixes after maximum aggregation: 68356 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 233145 Unique aggregates announced from the APNIC address blocks: 97689 APNIC Region origin ASes present in the Internet Routing Table: 13236 APNIC Prefixes per ASN: 17.61 APNIC Region origin ASes announcing only one prefix: 3836 APNIC Region transit ASes present in the Internet Routing Table: 1782 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: 8508 Number of APNIC addresses announced to Internet: 773335296 Equivalent to 46 /8s, 24 /16s and 41 /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: 267195 Total ARIN prefixes after maximum aggregation: 121558 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 269125 Unique aggregates announced from the ARIN address blocks: 129765 ARIN Region origin ASes present in the Internet Routing Table: 19072 ARIN Prefixes per ASN: 14.11 ARIN Region origin ASes announcing only one prefix: 6993 ARIN Region transit ASes present in the Internet Routing Table: 1941 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: 4726 Number of ARIN addresses announced to Internet: 1285778176 Equivalent to 76 /8s, 163 /16s and 107 /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: 264261 Total RIPE prefixes after maximum aggregation: 122338 RIPE Deaggregation factor: 2.16 Prefixes being announced from the RIPE address blocks: 260688 Unique aggregates announced from the RIPE address blocks: 156082 RIPE Region origin ASes present in the Internet Routing Table: 28243 RIPE Prefixes per ASN: 9.23 RIPE Region origin ASes announcing only one prefix: 12043 RIPE Region transit ASes present in the Internet Routing Table: 3914 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10994 Number of RIPE addresses announced to Internet: 719141632 Equivalent to 42 /8s, 221 /16s and 59 /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: 117708 Total LACNIC prefixes after maximum aggregation: 28387 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 116920 Unique aggregates announced from the LACNIC address blocks: 49046 LACNIC Region origin ASes present in the Internet Routing Table: 11002 LACNIC Prefixes per ASN: 10.63 LACNIC Region origin ASes announcing only one prefix: 2677 LACNIC Region transit ASes present in the Internet Routing Table: 2275 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: 8771 Number of LACNIC addresses announced to Internet: 176197632 Equivalent to 10 /8s, 128 /16s and 144 /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: 29165 Total AfriNIC prefixes after maximum aggregation: 5709 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 36985 Unique aggregates announced from the AfriNIC address blocks: 12005 AfriNIC Region origin ASes present in the Internet Routing Table: 1708 AfriNIC Prefixes per ASN: 21.65 AfriNIC Region origin ASes announcing only one prefix: 591 AfriNIC Region transit ASes present in the Internet Routing Table: 327 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: 1052 Number of AfriNIC addresses announced to Internet: 108076800 Equivalent to 6 /8s, 113 /16s and 31 /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 5944 787 703 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3569 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3520 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3097 1867 88 VNPT-AS-VN VNPT Corp, VN 9498 2713 499 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2360 849 436 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 7831 10713 2917 AMAZON-02, US 11492 4530 300 601 CABLEONE, US 7155 3895 265 33 VIASAT-SP-BACKBONE, US 22773 3693 3066 323 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3499 1320 63 SHAW, CA 16625 3462 1784 2511 AKAMAI-AS, US 749 3024 50575 2291 DNIC-AS-00749, US 7018 2591 24127 1567 ATT-INTERNET4, US 396982 2581 3494 370 GOOGLE-CLOUD-PLATFORM, US 30036 2570 368 356 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 6966 1705 145 UNI2-AS, ES 9121 6166 1692 17 TTNET, TR 39891 4557 269 60 ALJAWWALSTC-AS, SA 20940 4055 3399 174 AKAMAI-ASN1, NL 8551 3905 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2918 2290 908 ROSTELECOM-AS, RU 9009 2695 256 1359 M247, RO 47331 2658 384 2002 TTNET, TR 34984 2253 358 609 TELLCOM-AS, TR 6849 2197 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 11036 3340 586 Uninet S.A. de C.V., MX 10620 3472 507 854 Telmex Colombia S.A., CO 11830 2261 369 64 Instituto Costarricense de Electricidad 13999 2222 366 594 Mega Cable, S.A. de C.V., MX 28573 1350 2329 257 Claro NXT Telecomunicacoes Ltda, BR 6503 1298 339 518 Axtel, S.A.B. de C.V., MX 3816 1292 742 157 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1151 369 22 Telefonica del Peru S.A.A., PE 11664 1137 186 459 Techtel LMDS Comunicaciones Interactiva 26615 1005 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 1544 533 30 RAYA-AS, EG 24863 1503 393 21 LINKdotNET-AS, EG 36992 1332 1517 277 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1004 67 46 ORANGE-COTE-IVOIRE, CI 36935 885 520 42 Vodafone-, EG 6713 611 1861 34 IAM-AS, MA 15399 528 54 45 WANANCHI-, KE 24757 494 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 11036 3340 586 Uninet S.A. de C.V., MX 9808 9440 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7831 10713 2917 AMAZON-02, US 12479 6966 1705 145 UNI2-AS, ES 9121 6166 1692 17 TTNET, TR 7545 5944 787 703 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4557 269 60 ALJAWWALSTC-AS, SA 11492 4530 300 601 CABLEONE, US 20940 4055 3399 174 AKAMAI-ASN1, NL 8551 3905 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 6966 6821 UNI2-AS, ES 9121 6166 6149 TTNET, TR 7545 5944 5241 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7831 4914 AMAZON-02, US 39891 4557 4497 ALJAWWALSTC-AS, SA 11492 4530 3929 CABLEONE, US 20940 4055 3881 AKAMAI-ASN1, NL 8551 3905 3867 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 /14:1201 /15:2076 /16:13494 /17:8304 /18:13889 /19:25062 /20:43536 /21:52113 /22:110023 /23:98320 /24:548299 /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 6033 6966 UNI2-AS, ES 9121 5323 6166 TTNET, TR 8151 5050 11036 Uninet S.A. de C.V., MX 39891 3548 4557 ALJAWWALSTC-AS, SA 11492 3445 4530 CABLEONE, US 8551 3370 3905 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3307 3499 SHAW, CA 7155 2984 3895 VIASAT-SP-BACKBONE, US 22773 2726 3693 ASN-CXA-ALL-CCI-22773-RDC, US 47331 2315 2658 TTNET, TR Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1630 2:1237 3:168 4:5 5:4103 6:110 7:5 8:1535 9:1 11:172 12:1586 13:375 14:2325 15:286 16:79 17:370 18:422 20:243 21:4 22:188 23:6070 24:2506 25:4 27:2721 29:19 31:2499 32:99 34:9 35:106 36:1875 37:4602 38:4027 39:833 40:155 41:3956 42:1052 43:2322 44:304 45:16380 46:4178 47:381 49:1729 50:1929 51:379 52:1548 54:395 55:860 56:8 57:81 58:1755 59:1174 60:1010 61:2414 62:2625 63:1939 64:5670 65:2317 66:4918 67:3048 68:1345 69:4139 70:1254 71:667 72:2978 74:2586 75:1464 76:597 77:2385 78:3928 79:3166 80:2076 81:1821 82:1482 83:1233 84:1524 85:3712 86:744 87:1933 88:2866 89:3545 90:591 91:7637 92:1978 93:2591 94:3529 95:4875 96:1328 97:346 98:1163 99:740 100:76 101:1063 102:2545 103:30960 104:4602 105:483 106:846 107:2530 108:919 109:4357 110:2077 111:3288 112:2044 113:1485 114:1603 115:2095 116:1845 117:2563 118:2288 119:1910 120:1731 121:1081 122:2594 123:2180 124:1545 125:2327 128:1323 129:1044 130:974 131:2003 132:843 133:406 134:1911 135:299 136:888 137:1071 138:2578 139:1553 140:1045 141:1485 142:1413 143:1483 144:1195 145:349 146:1867 147:1553 148:2294 149:1880 150:868 151:1135 152:1949 153:557 154:3908 155:1400 156:1663 157:1300 158:1048 159:2266 160:2557 161:1432 162:3546 163:1486 164:1614 165:1668 166:834 167:1761 168:3872 169:919 170:4592 171:879 172:3513 173:2998 174:1021 175:1172 176:3698 177:4733 178:3556 179:2146 180:2428 181:3379 182:3240 183:1933 184:2341 185:19995 186:4671 187:3925 188:4080 189:3498 190:9046 191:1431 192:10952 193:8833 194:7221 195:5138 196:3020 197:2414 198:5993 199:6109 200:7754 201:5868 202:10520 203:10245 204:4606 205:3511 206:3863 207:3422 208:4091 209:4828 210:4360 211:2428 212:4086 213:3577 214:1090 215:55 216:6628 217:2629 218:1297 219:464 220:2035 221:972 222:740 223:2034 End of report