IPv4 R&E Routing Table Report 23:05 GMT Tue 19 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: 888167 Prefixes after maximum aggregation (per Origin AS): 337868 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 436391 Number of IPv4 prefixes with a valid ROA: 336273 Number of IPv4 prefixes with an invalid ROA: 1341 Number of IPv4 prefixes with no ROA: 550553 Total ASes present in the Internet Routing Table: 73224 Prefixes per ASN: 12.13 Origin-only ASes present in the Internet Routing Table: 62867 Origin ASes announcing only one prefix: 25885 Transit ASes present in the Internet Routing Table: 10357 Transit-only ASes present in the Internet Routing Table: 402 Paths with bogon ASNs present in the IPv4 Routing Table: 35 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 966 Number of instances of unregistered ASNs: 970 Number of 32-bit ASNs allocated by the RIRs: 39815 Number of 32-bit ASNs visible in the Routing Table: 32965 Prefixes from 32-bit ASNs in the Routing Table: 156608 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: 507 Number of addresses announced to Internet: 3067376896 Equivalent to 182 /8s, 212 /16s and 117 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 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: 298821 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229509 Total APNIC prefixes after maximum aggregation: 66353 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224534 Unique aggregates announced from the APNIC address blocks: 95558 APNIC Region origin ASes present in the Internet Routing Table: 12705 APNIC Prefixes per ASN: 17.67 APNIC Region origin ASes announcing only one prefix: 3661 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: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7989 Number of APNIC addresses announced to Internet: 772353280 Equivalent to 46 /8s, 9 /16s and 45 /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: 262837 Total ARIN prefixes after maximum aggregation: 120321 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 263129 Unique aggregates announced from the ARIN address blocks: 127127 ARIN Region origin ASes present in the Internet Routing Table: 18981 ARIN Prefixes per ASN: 13.86 ARIN Region origin ASes announcing only one prefix: 6930 ARIN Region transit ASes present in the Internet Routing Table: 1866 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: 4548 Number of ARIN addresses announced to Internet: 1296037376 Equivalent to 77 /8s, 63 /16s and 246 /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: 251519 Total RIPE prefixes after maximum aggregation: 117408 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 248904 Unique aggregates announced from the RIPE address blocks: 152799 RIPE Region origin ASes present in the Internet Routing Table: 28140 RIPE Prefixes per ASN: 8.85 RIPE Region origin ASes announcing only one prefix: 12052 RIPE Region transit ASes present in the Internet Routing Table: 4015 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: 10755 Number of RIPE addresses announced to Internet: 714569984 Equivalent to 42 /8s, 151 /16s and 121 /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: 115206 Total LACNIC prefixes after maximum aggregation: 27551 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 114949 Unique aggregates announced from the LACNIC address blocks: 48706 LACNIC Region origin ASes present in the Internet Routing Table: 10964 LACNIC Prefixes per ASN: 10.48 LACNIC Region origin ASes announcing only one prefix: 2666 LACNIC Region transit ASes present in the Internet Routing Table: 2237 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: 8691 Number of LACNIC addresses announced to Internet: 176366336 Equivalent to 10 /8s, 131 /16s and 35 /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: 28130 Total AfriNIC prefixes after maximum aggregation: 5511 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 36144 Unique aggregates announced from the AfriNIC address blocks: 11776 AfriNIC Region origin ASes present in the Internet Routing Table: 1656 AfriNIC Prefixes per ASN: 21.83 AfriNIC Region origin ASes announcing only one prefix: 576 AfriNIC Region transit ASes present in the Internet Routing Table: 325 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 982 Number of AfriNIC addresses announced to Internet: 107757568 Equivalent to 6 /8s, 108 /16s and 64 /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 9009 8882 46 CHINAMOBILE-CN China Mobile Communicati 7545 5924 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3571 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3505 1042 59 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3418 1880 52 VNPT-AS-VN VNPT Corp, VN 9498 2427 499 238 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 24560 2134 849 412 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2125 425 216 TATACOMM-AS TATA Communications formerl 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 6760 10389 2684 AMAZON-02, US 11492 4514 299 657 CABLEONE, US 7155 3903 265 32 VIASAT-SP-BACKBONE, US 22773 3835 3066 344 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3467 1786 2507 AKAMAI-AS, US 6327 3437 1319 63 SHAW, CA 749 3017 50733 2275 DNIC-AS-00749, US 30036 2604 372 264 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2514 3360 360 GOOGLE-CLOUD-PLATFORM, US 209 2380 4936 411 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 6907 1730 144 UNI2-AS, ES 8551 4006 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 4000 3360 196 AKAMAI-ASN1, NL 39891 3932 230 46 ALJAWWALSTC-AS, SA 12389 2889 2289 909 ROSTELECOM-AS, RU 6849 2754 355 21 UKRTELNET, UA 9009 2570 254 1333 M247, GB 34984 2249 358 637 TELLCOM-AS, TR 58224 1777 933 554 TCI, IR 61317 1611 113 1062 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 10776 3395 558 Uninet S.A. de C.V., MX 10620 3423 506 876 Telmex Colombia S.A., CO 11830 2425 369 64 Instituto Costarricense de Electricidad 13999 1907 314 507 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 1264 689 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1084 369 21 Telefonica del Peru S.A.A., PE 11664 997 179 458 Techtel LMDS Comunicaciones Interactiva 26615 978 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 1609 393 21 LINKdotNET-AS, EG 24835 1546 521 31 RAYA-AS, EG 36992 1320 1519 274 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 969 66 46 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 400 232 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 10776 3395 558 Uninet S.A. de C.V., MX 9808 9009 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6907 1730 144 UNI2-AS, ES 16509 6760 10389 2684 AMAZON-02, US 7545 5924 785 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4514 299 657 CABLEONE, US 8551 4006 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 4000 3360 196 AKAMAI-ASN1, NL 39891 3932 230 46 ALJAWWALSTC-AS, SA 7155 3903 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 9009 8963 CHINAMOBILE-CN China Mobile Communications Grou 12479 6907 6763 UNI2-AS, ES 7545 5924 5231 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6760 4076 AMAZON-02, US 8551 4006 3967 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 3932 3886 ALJAWWALSTC-AS, SA 7155 3903 3871 VIASAT-SP-BACKBONE, US 11492 4514 3857 CABLEONE, US 20940 4000 3804 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 23.138.248.0/24 Origin: 32990 LYYOUSA, CA 23.138.248.0/24 Transit: 20473 AS-CHOOPA, US 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 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 /11:99 /12:303 /13:589 /14:1203 /15:2097 /16:13499 /17:8256 /18:13772 /19:24730 /20:43018 /21:50758 /22:107471 /23:95366 /24:526932 /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 5889 6907 UNI2-AS, ES 8151 4509 10776 Uninet S.A. de C.V., MX 8551 3469 4006 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3418 4514 CABLEONE, US 6327 3247 3437 SHAW, CA 39891 3184 3932 ALJAWWALSTC-AS, SA 7155 2992 3903 VIASAT-SP-BACKBONE, US 22773 2858 3835 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2612 2754 UKRTELNET, UA 30036 2263 2604 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1903 2:1033 3:157 4:5 5:3822 6:110 7:6 8:1521 9:1 11:172 12:1645 13:343 14:2339 15:233 16:44 17:388 18:179 20:241 21:4 22:188 23:5799 24:2365 25:6 27:2614 29:19 31:2436 32:92 34:7 35:87 36:1833 37:4433 38:3292 39:719 40:152 41:3900 42:1119 43:2203 44:291 45:15964 46:4094 47:299 49:1691 50:1945 51:237 52:1453 54:386 55:852 56:8 57:60 58:1719 59:1110 60:961 61:2272 62:2527 63:1928 64:5594 65:2394 66:4832 67:2966 68:1178 69:4170 70:1315 71:680 72:3030 74:2631 75:1395 76:577 77:2227 78:1874 79:3130 80:2006 81:1638 82:1491 83:1205 84:1317 85:2964 86:726 87:1897 88:1165 89:3350 90:542 91:7608 92:2027 93:2544 94:3506 95:3843 96:1329 97:352 98:1028 99:751 100:77 101:1264 102:2183 103:29380 104:4535 105:468 106:871 107:2550 108:854 109:4307 110:1978 111:3278 112:2038 113:1468 114:1475 115:1970 116:1889 117:2426 118:2308 119:1836 120:1670 121:1029 122:2521 123:2078 124:1540 125:2045 128:1183 129:1054 130:977 131:2011 132:811 133:377 134:1930 135:307 136:894 137:863 138:2439 139:1503 140:927 141:1445 142:1307 143:1427 144:1215 145:349 146:1816 147:1519 148:2205 149:1734 150:904 151:1071 152:1856 153:462 154:3650 155:1446 156:1675 157:1268 158:1028 159:2236 160:2498 161:1256 162:3465 163:1295 164:1633 165:1639 166:769 167:1743 168:3758 169:882 170:4460 171:832 172:3284 173:3114 174:1019 175:1152 176:3600 177:4654 178:3536 179:2182 180:2362 181:3205 182:3204 183:1938 184:2345 185:19595 186:4339 187:3795 188:3968 189:3379 190:8914 191:1441 192:10941 193:8658 194:7042 195:4985 196:3038 197:2420 198:5939 199:6025 200:7454 201:5833 202:10115 203:9929 204:4519 205:3420 206:3691 207:3340 208:4001 209:4665 210:4160 211:2305 212:4026 213:3447 214:1142 215:67 216:6461 217:2644 218:1271 219:407 220:1741 221:964 222:656 223:1954 End of report