IPv4 R&E Routing Table Report 23:05 GMT Mon 31 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: 920586 Prefixes after maximum aggregation (per Origin AS): 350369 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 452129 Number of IPv4 prefixes with a valid ROA: 414894 Number of IPv4 prefixes with an invalid ROA: 1561 Number of IPv4 prefixes with no ROA: 504131 Total ASes present in the Internet Routing Table: 74479 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63972 Origin ASes announcing only one prefix: 26307 Transit ASes present in the Internet Routing Table: 10507 Transit-only ASes present in the Internet Routing Table: 458 Paths with bogon ASNs present in the IPv4 Routing Table: 32 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: 1071 Number of instances of unregistered ASNs: 1073 Number of 32-bit ASNs allocated by the RIRs: 42357 Number of 32-bit ASNs visible in the Routing Table: 34828 Prefixes from 32-bit ASNs in the Routing Table: 173238 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: 576 Number of addresses announced to Internet: 3052596224 Equivalent to 181 /8s, 242 /16s and 236 /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: 308053 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240312 Total APNIC prefixes after maximum aggregation: 69301 APNIC Deaggregation factor: 3.47 Prefixes being announced from the APNIC address blocks: 234160 Unique aggregates announced from the APNIC address blocks: 98712 APNIC Region origin ASes present in the Internet Routing Table: 13466 APNIC Prefixes per ASN: 17.39 APNIC Region origin ASes announcing only one prefix: 3994 APNIC Region transit ASes present in the Internet Routing Table: 1791 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8846 Number of APNIC addresses announced to Internet: 772957440 Equivalent to 46 /8s, 18 /16s and 101 /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: 270431 Total ARIN prefixes after maximum aggregation: 123493 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272583 Unique aggregates announced from the ARIN address blocks: 130708 ARIN Region origin ASes present in the Internet Routing Table: 19055 ARIN Prefixes per ASN: 14.31 ARIN Region origin ASes announcing only one prefix: 6971 ARIN Region transit ASes present in the Internet Routing Table: 1891 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: 4802 Number of ARIN addresses announced to Internet: 1276649984 Equivalent to 76 /8s, 24 /16s and 34 /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: 260319 Total RIPE prefixes after maximum aggregation: 122566 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256983 Unique aggregates announced from the RIPE address blocks: 159844 RIPE Region origin ASes present in the Internet Routing Table: 28349 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12048 RIPE Region transit ASes present in the Internet Routing Table: 3961 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: 11264 Number of RIPE addresses announced to Internet: 716484864 Equivalent to 42 /8s, 180 /16s and 177 /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: 118515 Total LACNIC prefixes after maximum aggregation: 28379 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117640 Unique aggregates announced from the LACNIC address blocks: 49687 LACNIC Region origin ASes present in the Internet Routing Table: 11001 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2679 LACNIC Region transit ASes present in the Internet Routing Table: 2336 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: 8807 Number of LACNIC addresses announced to Internet: 178572544 Equivalent to 10 /8s, 164 /16s and 205 /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: 29938 Total AfriNIC prefixes after maximum aggregation: 5901 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 38644 Unique aggregates announced from the AfriNIC address blocks: 12699 AfriNIC Region origin ASes present in the Internet Routing Table: 1759 AfriNIC Prefixes per ASN: 21.97 AfriNIC Region origin ASes announcing only one prefix: 615 AfriNIC Region transit ASes present in the Internet Routing Table: 332 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: 107600128 Equivalent to 6 /8s, 105 /16s and 217 /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 9518 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5685 781 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4269 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3703 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3586 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3246 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3051 498 246 BBIL-AP BHARTI Airtel Ltd., IN 24560 2467 835 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11270 588 KIXS-AS-KR Korea Telecom, KR 4755 2181 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 8779 10930 3191 AMAZON-02, US 11492 4525 300 620 CABLEONE, US 7155 4193 288 100 VIASAT-SP-BACKBONE, US 22773 3532 3051 265 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3527 1319 66 SHAW, CA 749 3139 54962 2391 DNIC-AS-00749, US 16625 3130 1550 2343 AKAMAI-AS, US 367 2962 3839 1391 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 7310 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4066 3398 157 AKAMAI-ASN1, NL 8551 3453 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2899 2293 912 ROSTELECOM-AS, RU 9009 2668 247 1393 M247, RO 34984 2317 362 603 TELLCOM-AS, TR 58224 1817 944 536 TCI, IR 6849 1760 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 11627 3390 603 UNINET, MX 10620 3531 507 835 Telmex Colombia S.A., CO 13999 2422 362 635 Mega Cable, S.A. de C.V., MX 11830 1997 369 64 Instituto Costarricense de Electricidad 28573 1316 2324 234 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 1112 181 434 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 1587 393 19 LINKdotNET-AS, EG 24835 1517 533 27 RAYA-AS, EG 36992 1354 1518 283 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1051 67 45 ORANGE-COTE-IVOIRE, CI 36935 922 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 37342 506 32 1 MOVITEL, MZ 24757 479 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 11627 3390 603 UNINET, MX 9808 9518 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8779 10930 3191 AMAZON-02, US 12479 7310 1706 141 UNI2-AS, ES 7545 5685 781 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4525 300 620 CABLEONE, US 18403 4269 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 9518 9481 CHINAMOBILE-CN China Mobile Communications Grou 12479 7310 7169 UNI2-AS, ES 16509 8779 5588 AMAZON-02, US 7545 5685 4998 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4269 4244 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 3703 3682 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 /13:575 /14:1195 /15:2102 /16:13434 /17:8196 /18:13739 /19:24859 /20:43173 /21:51051 /22:109410 /23:98333 /24:554043 /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 6400 7310 UNI2-AS, ES 8151 5595 11627 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3434 4525 CABLEONE, US 6327 3337 3527 SHAW, CA 7155 3139 4193 VIASAT-SP-BACKBONE, US 8551 2922 3453 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2605 3532 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2167 2511 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2090 3531 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) ---------------------------------------------- 1:2180 2:1348 3:245 4:5 5:4493 6:131 7:6 8:1511 9:1 11:172 12:1522 13:372 14:2278 15:302 16:194 17:373 18:535 20:271 21:4 22:188 23:6356 24:2466 25:4 27:2525 29:19 31:2527 32:78 34:26 35:111 36:1978 37:4678 38:5095 39:832 40:147 41:3895 42:2038 43:2299 44:307 45:16596 46:4338 47:381 49:1776 50:1855 51:585 52:1591 54:392 55:954 56:8 57:121 58:1820 59:1119 60:991 61:2515 62:2659 63:1914 64:5557 65:2291 66:4897 67:3032 68:1325 69:4082 70:1205 71:680 72:2975 74:2623 75:1580 76:615 77:2452 78:1829 79:2971 80:2112 81:1797 82:1491 83:1268 84:1524 85:2973 86:767 87:2015 88:1173 89:3854 90:615 91:7795 92:2056 93:2599 94:3574 95:4037 96:1295 97:329 98:1146 99:735 100:95 101:1309 102:2862 103:31812 104:4550 105:568 106:877 107:2553 108:1085 109:4239 110:2110 111:3129 112:2054 113:1735 114:1639 115:1994 116:1894 117:2568 118:2675 119:1971 120:1787 121:1078 122:2569 123:2134 124:1575 125:2481 128:1406 129:1035 130:1016 131:1956 132:835 133:422 134:1787 135:306 136:898 137:965 138:2624 139:1563 140:1236 141:1300 142:1474 143:1485 144:1009 145:342 146:1942 147:1610 148:2406 149:2175 150:878 151:1169 152:1962 153:507 154:4652 155:1378 156:1872 157:1323 158:1078 159:2224 160:2593 161:1567 162:3507 163:1555 164:1715 165:1867 166:1020 167:1727 168:3875 169:932 170:4567 171:893 172:3639 173:2977 174:1042 175:1177 176:3734 177:4524 178:3617 179:2166 180:2439 181:3485 182:3401 183:1993 184:2294 185:20487 186:4765 187:4125 188:4099 189:3740 190:9218 191:1390 192:10925 193:8927 194:7283 195:5159 196:3207 197:2463 198:5931 199:6089 200:7936 201:5900 202:10273 203:10053 204:4548 205:3632 206:4287 207:3370 208:4116 209:4896 210:4183 211:2431 212:4264 213:3586 214:1091 215:60 216:6695 217:2760 218:1262 219:414 220:1799 221:961 222:682 223:2156 End of report