IPv4 R&E Routing Table Report 23:05 GMT Wed 13 Jul, 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: 888000 Prefixes after maximum aggregation (per Origin AS): 337636 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 436335 Number of IPv4 prefixes with a valid ROA: 335352 Number of IPv4 prefixes with an invalid ROA: 1343 Number of IPv4 prefixes with no ROA: 551305 Total ASes present in the Internet Routing Table: 73205 Prefixes per ASN: 12.13 Origin-only ASes present in the Internet Routing Table: 62841 Origin ASes announcing only one prefix: 25850 Transit ASes present in the Internet Routing Table: 10364 Transit-only ASes present in the Internet Routing Table: 409 Paths with bogon ASNs present in the IPv4 Routing Table: 34 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 60 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 970 Number of instances of unregistered ASNs: 974 Number of 32-bit ASNs allocated by the RIRs: 39782 Number of 32-bit ASNs visible in the Routing Table: 32944 Prefixes from 32-bit ASNs in the Routing Table: 156727 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 513 Number of addresses announced to Internet: 3067290624 Equivalent to 182 /8s, 211 /16s and 36 /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: 298801 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229205 Total APNIC prefixes after maximum aggregation: 66355 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 224355 Unique aggregates announced from the APNIC address blocks: 95570 APNIC Region origin ASes present in the Internet Routing Table: 12700 APNIC Prefixes per ASN: 17.67 APNIC Region origin ASes announcing only one prefix: 3668 APNIC Region transit ASes present in the Internet Routing Table: 1729 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7980 Number of APNIC addresses announced to Internet: 772688640 Equivalent to 46 /8s, 14 /16s and 75 /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: 262593 Total ARIN prefixes after maximum aggregation: 120199 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262802 Unique aggregates announced from the ARIN address blocks: 127033 ARIN Region origin ASes present in the Internet Routing Table: 18959 ARIN Prefixes per ASN: 13.86 ARIN Region origin ASes announcing only one prefix: 6911 ARIN Region transit ASes present in the Internet Routing Table: 1870 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: 4537 Number of ARIN addresses announced to Internet: 1295914240 Equivalent to 77 /8s, 62 /16s and 21 /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: 251602 Total RIPE prefixes after maximum aggregation: 117432 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 248944 Unique aggregates announced from the RIPE address blocks: 152804 RIPE Region origin ASes present in the Internet Routing Table: 28139 RIPE Prefixes per ASN: 8.85 RIPE Region origin ASes announcing only one prefix: 12041 RIPE Region transit ASes present in the Internet Routing Table: 4008 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10749 Number of RIPE addresses announced to Internet: 714132480 Equivalent to 42 /8s, 144 /16s and 204 /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: 115548 Total LACNIC prefixes after maximum aggregation: 27413 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 115303 Unique aggregates announced from the LACNIC address blocks: 48715 LACNIC Region origin ASes present in the Internet Routing Table: 10964 LACNIC Prefixes per ASN: 10.52 LACNIC Region origin ASes announcing only one prefix: 2650 LACNIC Region transit ASes present in the Internet Routing Table: 2245 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8693 Number of LACNIC addresses announced to Internet: 176473856 Equivalent to 10 /8s, 132 /16s and 199 /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: 28082 Total AfriNIC prefixes after maximum aggregation: 5510 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 36083 Unique aggregates announced from the AfriNIC address blocks: 11784 AfriNIC Region origin ASes present in the Internet Routing Table: 1657 AfriNIC Prefixes per ASN: 21.78 AfriNIC Region origin ASes announcing only one prefix: 580 AfriNIC Region transit ASes present in the Internet Routing Table: 321 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 60 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 985 Number of AfriNIC addresses announced to Internet: 107787008 Equivalent to 6 /8s, 108 /16s and 179 /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 8988 8882 46 CHINAMOBILE-CN China Mobile Communicati 7545 5918 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3571 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3507 1042 59 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3424 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2428 499 239 BBIL-AP BHARTI Airtel Ltd., IN 4766 2255 11123 595 KIXS-AS-KR Korea Telecom, KR 45090 2139 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2123 425 217 TATACOMM-AS TATA Communications formerl 24560 2115 850 401 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 6781 10394 2671 AMAZON-02, US 11492 4515 299 656 CABLEONE, US 7155 3902 265 32 VIASAT-SP-BACKBONE, US 22773 3868 3069 355 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3461 1781 2504 AKAMAI-AS, US 6327 3438 1319 63 SHAW, CA 749 2997 50735 2255 DNIC-AS-00749, US 30036 2628 374 157 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2510 3343 359 GOOGLE-CLOUD-PLATFORM, US 209 2393 4936 412 CENTURYLINK-US-LEGACY-QWEST, 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 6862 1730 144 UNI2-AS, ES 8551 4010 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3983 3360 193 AKAMAI-ASN1, NL 12389 2882 2287 906 ROSTELECOM-AS, RU 6849 2796 355 21 UKRTELNET, UA 9009 2562 253 1332 M247, GB 34984 2247 358 639 TELLCOM-AS, TR 58224 1774 933 559 TCI, IR 61317 1631 115 1072 ASDETUK www.heficed.com, GB 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 10768 3394 558 Uninet S.A. de C.V., MX 10620 3476 514 774 Telmex Colombia S.A., CO 11830 2425 369 64 Instituto Costarricense de Electricidad 13999 1929 318 507 Mega Cable, S.A. de C.V., MX 28573 1361 2331 269 Claro NXT Telecomunicacoes Ltda, BR 6503 1291 338 521 Axtel, S.A.B. de C.V., MX 3816 1261 683 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1078 369 21 Telefonica del Peru S.A.A., PE 11664 997 179 460 Techtel LMDS Comunicaciones Interactiva 26615 979 2466 43 TIM SA, BR 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 1610 393 21 LINKdotNET-AS, EG 24835 1546 521 31 RAYA-AS, EG 36992 1317 1519 271 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 965 65 45 ORANGE-COTE-IVOIRE, CI 36935 789 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 516 52 37 WANANCHI-, KE 37342 462 32 1 MOVITEL, MZ 23889 401 232 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 10768 3394 558 Uninet S.A. de C.V., MX 9808 8988 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6862 1730 144 UNI2-AS, ES 16509 6781 10394 2671 AMAZON-02, US 7545 5918 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4515 299 656 CABLEONE, US 8551 4010 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3983 3360 193 AKAMAI-ASN1, NL 7155 3902 265 32 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 8988 8942 CHINAMOBILE-CN China Mobile Communications Grou 12479 6862 6718 UNI2-AS, ES 7545 5918 5226 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6781 4110 AMAZON-02, US 8551 4010 3971 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 7155 3902 3870 VIASAT-SP-BACKBONE, US 11492 4515 3859 CABLEONE, US 20940 3983 3790 AKAMAI-ASN1, NL 7552 3571 3552 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 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, 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 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US 394856 UNALLOCATED 8.40.216.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 41.57.124.0/24 Origin: 37442 UNASSIGNED 41.57.124.0/24 Transit: 37204 TELONE, ZW 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 /10:39 /11:100 /12:302 /13:588 /14:1202 /15:2095 /16:13496 /17:8255 /18:13771 /19:24729 /20:43046 /21:50745 /22:107466 /23:95182 /24:526949 /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 5842 6862 UNI2-AS, ES 8151 4505 10768 Uninet S.A. de C.V., MX 8551 3473 4010 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3419 4515 CABLEONE, US 6327 3248 3438 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2991 3902 VIASAT-SP-BACKBONE, US 22773 2887 3868 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2654 2796 UKRTELNET, UA 30036 2286 2628 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1920 2:1034 3:157 4:5 5:3827 6:109 7:6 8:1527 9:1 11:172 12:1643 13:344 14:2336 15:232 16:44 17:385 18:179 20:242 21:4 22:188 23:5752 24:2369 25:6 27:2611 29:19 31:2434 32:92 34:7 35:87 36:1836 37:4430 38:3233 39:718 40:152 41:3901 42:1117 43:2202 44:290 45:15995 46:4162 47:300 49:1687 50:1940 51:237 52:1453 54:386 55:850 56:8 57:60 58:1722 59:1111 60:962 61:2270 62:2524 63:1932 64:5525 65:2334 66:4850 67:2958 68:1190 69:4164 70:1318 71:681 72:3031 74:2630 75:1394 76:577 77:2222 78:1874 79:3135 80:2001 81:1630 82:1492 83:1207 84:1318 85:2959 86:726 87:1901 88:1164 89:3338 90:540 91:7596 92:2016 93:2545 94:3495 95:3837 96:1327 97:352 98:1008 99:752 100:77 101:1268 102:2161 103:29358 104:4523 105:468 106:874 107:2544 108:854 109:4306 110:1972 111:3274 112:2028 113:1469 114:1473 115:1970 116:1887 117:2430 118:2309 119:1837 120:1661 121:1025 122:2519 123:2080 124:1540 125:2043 128:1176 129:1048 130:976 131:2033 132:806 133:377 134:1937 135:306 136:892 137:856 138:2462 139:1521 140:898 141:1452 142:1296 143:1415 144:1208 145:348 146:1809 147:1521 148:2202 149:1748 150:900 151:1067 152:1854 153:465 154:3637 155:1439 156:1675 157:1267 158:1038 159:2233 160:2499 161:1258 162:3468 163:1294 164:1630 165:1632 166:768 167:1746 168:3792 169:880 170:4548 171:834 172:3269 173:3131 174:1018 175:1151 176:3583 177:4671 178:3549 179:2177 180:2359 181:3220 182:3214 183:1936 184:2346 185:19636 186:4354 187:3798 188:3959 189:3420 190:8901 191:1444 192:10942 193:8652 194:7060 195:4979 196:3041 197:2421 198:5932 199:6015 200:7477 201:5845 202:10113 203:10005 204:4516 205:3478 206:3682 207:3340 208:4003 209:4661 210:4139 211:2309 212:4024 213:3442 214:1135 215:67 216:6468 217:2642 218:1271 219:407 220:1718 221:962 222:657 223:1952 End of report