IPv4 R&E Routing Table Report 23:05 GMT Sun 22 May, 2022 IPv4 BGP Table (Global) as seen at Singapore. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Singapore/ Analysis Summary ---------------- BGP routing table entries examined: 882831 Prefixes after maximum aggregation (per Origin AS): 335763 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 432457 Number of IPv4 prefixes with a valid ROA: 325244 Number of IPv4 prefixes with an invalid ROA: 1138 Number of IPv4 prefixes with no ROA: 556449 Total ASes present in the Internet Routing Table: 72991 Prefixes per ASN: 12.10 Origin-only ASes present in the Internet Routing Table: 62713 Origin ASes announcing only one prefix: 25740 Transit ASes present in the Internet Routing Table: 10278 Transit-only ASes present in the Internet Routing Table: 379 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 66 Max AS path prepend of ASN (267602) 58 Prefixes from unregistered ASNs in the Routing Table: 908 Number of instances of unregistered ASNs: 911 Number of 32-bit ASNs allocated by the RIRs: 39454 Number of 32-bit ASNs visible in the Routing Table: 32651 Prefixes from 32-bit ASNs in the Routing Table: 153829 Number of bogon 32-bit ASNs visible in the Routing Table: 12 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 534 Number of addresses announced to Internet: 3064158464 Equivalent to 182 /8s, 163 /16s and 89 /24s Percentage of available address space announced: 82.8 Percentage of allocated address space announced: 82.8 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: 296987 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228807 Total APNIC prefixes after maximum aggregation: 66137 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224042 Unique aggregates announced from the APNIC address blocks: 94826 APNIC Region origin ASes present in the Internet Routing Table: 12573 APNIC Prefixes per ASN: 17.82 APNIC Region origin ASes announcing only one prefix: 3582 APNIC Region transit ASes present in the Internet Routing Table: 1735 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7842 Number of APNIC addresses announced to Internet: 773489664 Equivalent to 46 /8s, 26 /16s and 132 /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: 260703 Total ARIN prefixes after maximum aggregation: 119769 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 260649 Unique aggregates announced from the ARIN address blocks: 126044 ARIN Region origin ASes present in the Internet Routing Table: 18972 ARIN Prefixes per ASN: 13.74 ARIN Region origin ASes announcing only one prefix: 6914 ARIN Region transit ASes present in the Internet Routing Table: 1854 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4483 Number of ARIN addresses announced to Internet: 1292375040 Equivalent to 77 /8s, 8 /16s and 20 /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: 250033 Total RIPE prefixes after maximum aggregation: 116353 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 247282 Unique aggregates announced from the RIPE address blocks: 150916 RIPE Region origin ASes present in the Internet Routing Table: 28129 RIPE Prefixes per ASN: 8.79 RIPE Region origin ASes announcing only one prefix: 12020 RIPE Region transit ASes present in the Internet Routing Table: 3991 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10708 Number of RIPE addresses announced to Internet: 713890048 Equivalent to 42 /8s, 141 /16s and 25 /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: 114583 Total LACNIC prefixes after maximum aggregation: 27359 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 114429 Unique aggregates announced from the LACNIC address blocks: 48593 LACNIC Region origin ASes present in the Internet Routing Table: 10941 LACNIC Prefixes per ASN: 10.46 LACNIC Region origin ASes announcing only one prefix: 2667 LACNIC Region transit ASes present in the Internet Routing Table: 2194 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 66 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8658 Number of LACNIC addresses announced to Internet: 176411904 Equivalent to 10 /8s, 131 /16s and 213 /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: 27797 Total AfriNIC prefixes after maximum aggregation: 5478 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 35895 Unique aggregates announced from the AfriNIC address blocks: 11642 AfriNIC Region origin ASes present in the Internet Routing Table: 1628 AfriNIC Prefixes per ASN: 22.05 AfriNIC Region origin ASes announcing only one prefix: 557 AfriNIC Region transit ASes present in the Internet Routing Table: 330 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 35 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 960 Number of AfriNIC addresses announced to Internet: 107694592 Equivalent to 6 /8s, 107 /16s and 74 /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 9155 8883 40 CHINAMOBILE-CN China Mobile Communicati 7545 5898 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3585 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3496 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3426 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2407 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2251 11119 595 KIXS-AS-KR Korea Telecom, KR 45090 2134 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2119 438 204 TATACOMM-AS TATA Communications formerl 24560 2046 853 380 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 6465 10356 2780 AMAZON-02, US 11492 4516 299 649 CABLEONE, US 22773 3913 3067 352 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3539 1821 2534 AKAMAI-AS, US 6327 3437 1318 61 SHAW, CA 749 2881 50795 2138 DNIC-AS-00749, US 30036 2631 374 136 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2463 4961 420 CENTURYLINK-US-LEGACY-QWEST, US 20115 2248 3050 492 CHARTER-20115, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 6801 1730 150 UNI2-AS, ES 8551 3999 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3963 3360 192 AKAMAI-ASN1, NL 39891 3819 220 34 ALJAWWALSTC-AS, SA 6849 2926 355 21 UKRTELNET, UA 12389 2896 2273 907 ROSTELECOM-AS, RU 9009 2488 249 1294 M247, GB 34984 2240 357 626 TELLCOM-AS, TR 58224 1814 931 607 TCI, IR 13188 1610 100 27 TRIOLAN, UA Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10639 3396 561 Uninet S.A. de C.V., MX 10620 3472 518 743 Telmex Colombia S.A., CO 11830 2437 369 63 Instituto Costarricense de Electricidad 13999 1827 300 469 Mega Cable, S.A. de C.V., MX 6503 1448 355 528 Axtel, S.A.B. de C.V., MX 28573 1370 2333 255 CLARO S.A., BR 3816 1256 671 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1078 369 21 Telefonica del Peru S.A.A., PE 11664 1025 192 444 Techtel LMDS Comunicaciones Interactiva 11172 958 133 61 Alestra, S. de R.L. de C.V., MX Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1655 393 21 LINKdotNET-AS, EG 24835 1466 497 30 RAYA-AS, EG 36992 1313 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 946 65 63 ORANGE-COTE-IVOIRE, CI 36935 675 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 512 51 33 WANANCHI-, KE 37342 464 32 1 MOVITEL, MZ 23889 420 232 16 MauritiusTelecom, MU Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10639 3396 561 Uninet S.A. de C.V., MX 9808 9155 8883 40 CHINAMOBILE-CN China Mobile Communicati 12479 6801 1730 150 UNI2-AS, ES 16509 6465 10356 2780 AMAZON-02, US 7545 5898 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4516 299 649 CABLEONE, US 8551 3999 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3963 3360 192 AKAMAI-ASN1, NL 22773 3913 3067 352 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9155 9115 CHINAMOBILE-CN China Mobile Communications Grou 12479 6801 6651 UNI2-AS, ES 7545 5898 5204 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 3999 3960 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4516 3867 CABLEONE, US 39891 3819 3785 ALJAWWALSTC-AS, SA 20940 3963 3771 AKAMAI-ASN1, NL 16509 6465 3685 AMAZON-02, US 7552 3585 3566 VIETEL-AS-AP Viettel Group, VN Complete listing at https://bgp.nsrc.org/REN/Singapore/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 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 395056 UNALLOCATED 8.45.133.0/24 3356 LEVEL3, US 17033 UNALLOCATED 8.48.225.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.129.40.0/24 Origin: 6461 ZAYO-6461, US 23.129.40.0/24 Transit: 2914 NTT-LTD-2914, US 23.129.56.0/24 Origin: 6461 ZAYO-6461, US 23.129.56.0/24 Transit: 2914 NTT-LTD-2914, US 23.129.136.0/24 Origin: 6461 ZAYO-6461, US 23.129.136.0/24 Transit: 2914 NTT-LTD-2914, US 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.166.208.0/24 Origin: 398906 LUFTCLOUD-ASN-01, US 23.166.208.0/24 Transit: 132132 REPUBLICTELECOM-SG MyRepublic Ltd., SG Complete listing at https://bgp.nsrc.org/REN/Singapore/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:13 /10:40 /11:100 /12:303 /13:588 /14:1201 /15:2094 /16:13502 /17:8233 /18:13771 /19:24847 /20:42626 /21:50774 /22:107070 /23:94581 /24:523066 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5777 6801 UNI2-AS, ES 8151 4357 10639 Uninet S.A. de C.V., MX 8551 3465 3999 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3419 4516 CABLEONE, US 6327 3250 3437 SHAW, CA 39891 3131 3819 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2918 3913 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2777 2926 UKRTELNET, UA 30036 2287 2631 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1919 2:1018 3:154 4:6 5:3786 6:104 7:5 8:1529 9:1 11:172 12:1706 13:304 14:2369 15:201 16:41 17:383 18:161 20:212 21:4 22:188 23:5652 24:2298 25:6 27:2599 29:19 31:2422 32:92 34:4 35:78 36:1778 37:4431 38:2874 39:703 40:152 41:3944 42:1094 43:2166 44:291 45:16004 46:4131 47:295 49:1684 50:2158 51:108 52:1436 54:369 55:745 56:8 57:60 58:1701 59:1127 60:948 61:2250 62:2479 63:1941 64:5506 65:2336 66:4834 67:2970 68:1194 69:4156 70:1328 71:684 72:3048 74:2645 75:1393 76:579 77:2162 78:1846 79:3112 80:1995 81:1600 82:1495 83:1204 84:1343 85:2912 86:706 87:1967 88:1123 89:3284 90:531 91:7628 92:2009 93:2586 94:3482 95:3851 96:1306 97:349 98:994 99:737 100:76 101:1270 102:2069 103:28993 104:4389 105:464 106:871 107:2515 108:823 109:4252 110:2011 111:3244 112:2026 113:1480 114:1477 115:1972 116:1886 117:2509 118:2335 119:1856 120:1666 121:1021 122:2544 123:2096 124:1530 125:2058 128:1189 129:1089 130:968 131:2047 132:794 133:378 134:1891 135:289 136:882 137:858 138:2429 139:1502 140:854 141:1402 142:1278 143:1431 144:1200 145:346 146:1796 147:1490 148:2220 149:1719 150:849 151:1080 152:1846 153:459 154:3462 155:1421 156:1752 157:1233 158:1048 159:2171 160:2516 161:1277 162:3456 163:1265 164:1636 165:1615 166:711 167:1731 168:3747 169:840 170:4468 171:828 172:3172 173:3125 174:1021 175:1137 176:3577 177:4648 178:3545 179:2042 180:2318 181:2981 182:3201 183:1950 184:2372 185:19491 186:4306 187:3763 188:3873 189:3277 190:8847 191:1296 192:10947 193:8607 194:6994 195:4952 196:3044 197:2374 198:5937 199:6012 200:7419 201:5723 202:10090 203:9983 204:4531 205:3428 206:3690 207:3331 208:4007 209:4635 210:4100 211:2347 212:4026 213:3422 214:1151 215:67 216:6461 217:2669 218:1246 219:405 220:1665 221:977 222:670 223:2113 End of report