IPv4 R&E Routing Table Report 23:05 GMT Sun 30 Jul, 2023 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: 920930 Prefixes after maximum aggregation (per Origin AS): 350246 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 452218 Number of IPv4 prefixes with a valid ROA: 414785 Number of IPv4 prefixes with an invalid ROA: 1551 Number of IPv4 prefixes with no ROA: 504594 Total ASes present in the Internet Routing Table: 74476 Prefixes per ASN: 12.37 Origin-only ASes present in the Internet Routing Table: 63980 Origin ASes announcing only one prefix: 26300 Transit ASes present in the Internet Routing Table: 10496 Transit-only ASes present in the Internet Routing Table: 458 Paths with bogon ASNs present in the IPv4 Routing Table: 29 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 129 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1078 Number of instances of unregistered ASNs: 1080 Number of 32-bit ASNs allocated by the RIRs: 42357 Number of 32-bit ASNs visible in the Routing Table: 34823 Prefixes from 32-bit ASNs in the Routing Table: 173310 Number of bogon 32-bit ASNs visible in the Routing Table: 20 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 581 Number of addresses announced to Internet: 3052897536 Equivalent to 181 /8s, 247 /16s and 133 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 308121 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240499 Total APNIC prefixes after maximum aggregation: 69331 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 234330 Unique aggregates announced from the APNIC address blocks: 98749 APNIC Region origin ASes present in the Internet Routing Table: 13474 APNIC Prefixes per ASN: 17.39 APNIC Region origin ASes announcing only one prefix: 4005 APNIC Region transit ASes present in the Internet Routing Table: 1788 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8850 Number of APNIC addresses announced to Internet: 772973312 Equivalent to 46 /8s, 18 /16s and 163 /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, 131072-153913 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: 270642 Total ARIN prefixes after maximum aggregation: 123306 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272728 Unique aggregates announced from the ARIN address blocks: 130766 ARIN Region origin ASes present in the Internet Routing Table: 19051 ARIN Prefixes per ASN: 14.32 ARIN Region origin ASes announcing only one prefix: 6960 ARIN Region transit ASes present in the Internet Routing Table: 1888 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4804 Number of ARIN addresses announced to Internet: 1276707584 Equivalent to 76 /8s, 25 /16s and 3 /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: 260347 Total RIPE prefixes after maximum aggregation: 122568 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 257033 Unique aggregates announced from the RIPE address blocks: 159830 RIPE Region origin ASes present in the Internet Routing Table: 28338 RIPE Prefixes per ASN: 9.07 RIPE Region origin ASes announcing only one prefix: 12041 RIPE Region transit ASes present in the Internet Routing Table: 3956 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11251 Number of RIPE addresses announced to Internet: 716705280 Equivalent to 42 /8s, 184 /16s and 14 /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: 118411 Total LACNIC prefixes after maximum aggregation: 28413 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 117538 Unique aggregates announced from the LACNIC address blocks: 49658 LACNIC Region origin ASes present in the Internet Routing Table: 11003 LACNIC Prefixes per ASN: 10.68 LACNIC Region origin ASes announcing only one prefix: 2680 LACNIC Region transit ASes present in the Internet Routing Table: 2332 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 33 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8809 Number of LACNIC addresses announced to Internet: 178590208 Equivalent to 10 /8s, 165 /16s and 18 /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: 29953 Total AfriNIC prefixes after maximum aggregation: 5898 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 38720 Unique aggregates announced from the AfriNIC address blocks: 12734 AfriNIC Region origin ASes present in the Internet Routing Table: 1759 AfriNIC Prefixes per ASN: 22.01 AfriNIC Region origin ASes announcing only one prefix: 614 AfriNIC Region transit ASes present in the Internet Routing Table: 333 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1109 Number of AfriNIC addresses announced to Internet: 107581696 Equivalent to 6 /8s, 105 /16s and 145 /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 9515 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5679 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4257 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3702 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3587 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3365 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3049 498 246 BBIL-AP BHARTI Airtel Ltd., IN 24560 2464 834 444 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11270 588 KIXS-AS-KR Korea Telecom, KR 4755 2180 442 201 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 8784 10933 3186 AMAZON-02, US 11492 4525 300 620 CABLEONE, US 7155 4193 288 100 VIASAT-SP-BACKBONE, US 22773 3535 3053 266 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3525 1319 66 SHAW, CA 749 3139 54962 2391 DNIC-AS-00749, US 16625 3130 1550 2343 AKAMAI-AS, US 367 2951 3835 1390 DNIC-ASBLK-00306-00371, US 396982 2678 3595 384 GOOGLE-CLOUD-PLATFORM, US 30036 2511 359 358 MEDIACOM-ENTERPRISE-BUSINESS, 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 7309 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4066 3398 157 AKAMAI-ASN1, NL 8551 3456 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2899 2293 912 ROSTELECOM-AS, RU 9009 2673 247 1394 M247, RO 34984 2318 362 603 TELLCOM-AS, TR 58224 1816 944 535 TCI, IR 6849 1762 307 17 UKRTELNET, UA 13188 1606 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 11621 3388 602 UNINET, MX 10620 3533 507 832 Telmex Colombia S.A., CO 13999 2420 362 635 Mega Cable, S.A. de C.V., MX 11830 1998 369 64 Instituto Costarricense de Electricidad 28573 1314 2322 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1300 767 172 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1299 344 510 Axtel, S.A.B. de C.V., MX 6147 1123 370 22 Telefonica del Peru S.A.A., PE 11664 1109 180 441 Techtel LMDS Comunicaciones Interactiva 26615 1036 2500 48 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 1585 393 19 LINKdotNET-AS, EG 24835 1517 533 27 RAYA-AS, EG 36992 1355 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1050 67 45 ORANGE-COTE-IVOIRE, CI 36935 922 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 37342 507 32 1 MOVITEL, MZ 24757 482 73 5 EthioNet-AS, ET 15399 447 54 47 WANANCHI-, KE 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 11621 3388 602 UNINET, MX 9808 9515 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8784 10933 3186 AMAZON-02, US 12479 7309 1706 141 UNI2-AS, ES 7545 5679 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4525 300 620 CABLEONE, US 18403 4257 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4193 288 100 VIASAT-SP-BACKBONE, US 20940 4066 3398 157 AKAMAI-ASN1, NL 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 9515 9478 CHINAMOBILE-CN China Mobile Communications Grou 12479 7309 7168 UNI2-AS, ES 16509 8784 5598 AMAZON-02, US 7545 5679 4992 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4257 4232 FPT-AS-AP FPT Telecom Company, VN 7155 4193 4093 VIASAT-SP-BACKBONE, US 20940 4066 3909 AKAMAI-ASN1, NL 11492 4525 3905 CABLEONE, US 7552 3702 3681 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 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 19695 UNALLOCATED 8.20.161.0/24 7015 COMCAST-7015, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 396894 UNALLOCATED 8.28.201.0/24 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 Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, US 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 UNASSIGNED 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, 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 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 /9:14 /10:38 /11:102 /12:297 /13:576 /14:1196 /15:2103 /16:13436 /17:8201 /18:13748 /19:24866 /20:43259 /21:51063 /22:109469 /23:98429 /24:554108 /25:0 /26:1 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6399 7309 UNI2-AS, ES 8151 5589 11621 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3434 4525 CABLEONE, US 6327 3335 3525 SHAW, CA 7155 3139 4193 VIASAT-SP-BACKBONE, US 8551 2925 3456 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2606 3535 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2167 2511 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2092 3533 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2181 2:1348 3:245 4:5 5:4491 6:131 7:6 8:1514 9:1 11:172 12:1523 13:366 14:2297 15:302 16:194 17:372 18:538 20:271 21:4 22:188 23:6363 24:2468 25:4 27:2533 29:19 31:2530 32:78 34:26 35:111 36:1979 37:4668 38:5092 39:832 40:147 41:3910 42:2026 43:2298 44:307 45:16596 46:4342 47:381 49:1776 50:1860 51:584 52:1590 54:393 55:957 56:8 57:122 58:1821 59:1119 60:991 61:2511 62:2667 63:1919 64:5563 65:2291 66:4920 67:3044 68:1325 69:4080 70:1204 71:680 72:2975 74:2623 75:1580 76:615 77:2443 78:1830 79:2972 80:2118 81:1800 82:1491 83:1260 84:1528 85:2968 86:768 87:2014 88:1174 89:3866 90:619 91:7800 92:2064 93:2599 94:3576 95:4035 96:1294 97:329 98:1148 99:735 100:95 101:1313 102:2867 103:31816 104:4552 105:568 106:877 107:2550 108:1090 109:4243 110:2104 111:3129 112:2056 113:1740 114:1633 115:1993 116:1892 117:2563 118:2677 119:1976 120:1787 121:1081 122:2566 123:2134 124:1575 125:2481 128:1397 129:1040 130:1011 131:1962 132:828 133:422 134:1787 135:306 136:887 137:958 138:2617 139:1561 140:1240 141:1307 142:1463 143:1492 144:983 145:342 146:1944 147:1609 148:2405 149:2179 150:879 151:1169 152:1960 153:507 154:4687 155:1375 156:1875 157:1324 158:1096 159:2224 160:2593 161:1569 162:3513 163:1554 164:1712 165:1864 166:1022 167:1736 168:3860 169:931 170:4590 171:891 172:3641 173:2980 174:1042 175:1177 176:3732 177:4481 178:3617 179:2160 180:2438 181:3486 182:3402 183:1993 184:2294 185:20483 186:4744 187:4108 188:4098 189:3711 190:9218 191:1391 192:10921 193:8930 194:7285 195:5152 196:3211 197:2468 198:5927 199:6085 200:7910 201:5899 202:10281 203:10065 204:4554 205:3645 206:4288 207:3375 208:4121 209:4898 210:4188 211:2439 212:4260 213:3588 214:1091 215:59 216:6698 217:2761 218:1262 219:415 220:1798 221:961 222:682 223:2158 End of report