IPv4 R&E Routing Table Report 23:05 GMT Tue 15 Aug, 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: 920630 Prefixes after maximum aggregation (per Origin AS): 350562 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 452448 Number of IPv4 prefixes with a valid ROA: 416275 Number of IPv4 prefixes with an invalid ROA: 1508 Number of IPv4 prefixes with no ROA: 502847 Total ASes present in the Internet Routing Table: 74512 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 64104 Origin ASes announcing only one prefix: 26292 Transit ASes present in the Internet Routing Table: 10408 Transit-only ASes present in the Internet Routing Table: 443 Paths with bogon ASNs present in the IPv4 Routing Table: 18 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 137 Max AS path prepend of ASN ( 37447) 129 Prefixes from unregistered ASNs in the Routing Table: 1034 Number of instances of unregistered ASNs: 1036 Number of 32-bit ASNs allocated by the RIRs: 42426 Number of 32-bit ASNs visible in the Routing Table: 34882 Prefixes from 32-bit ASNs in the Routing Table: 173591 Number of bogon 32-bit ASNs visible in the Routing Table: 18 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 549 Number of addresses announced to Internet: 3051131648 Equivalent to 181 /8s, 220 /16s and 147 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 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: 307781 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240943 Total APNIC prefixes after maximum aggregation: 69650 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 234630 Unique aggregates announced from the APNIC address blocks: 98810 APNIC Region origin ASes present in the Internet Routing Table: 13479 APNIC Prefixes per ASN: 17.41 APNIC Region origin ASes announcing only one prefix: 3986 APNIC Region transit ASes present in the Internet Routing Table: 1783 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 30 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8861 Number of APNIC addresses announced to Internet: 772839168 Equivalent to 46 /8s, 16 /16s and 151 /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: 270526 Total ARIN prefixes after maximum aggregation: 123355 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272632 Unique aggregates announced from the ARIN address blocks: 130791 ARIN Region origin ASes present in the Internet Routing Table: 19048 ARIN Prefixes per ASN: 14.31 ARIN Region origin ASes announcing only one prefix: 6981 ARIN Region transit ASes present in the Internet Routing Table: 1884 Average ARIN Region AS path length visible: 4.7 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4813 Number of ARIN addresses announced to Internet: 1275590400 Equivalent to 76 /8s, 7 /16s and 247 /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: 260024 Total RIPE prefixes after maximum aggregation: 122425 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256906 Unique aggregates announced from the RIPE address blocks: 159931 RIPE Region origin ASes present in the Internet Routing Table: 28383 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12042 RIPE Region transit ASes present in the Internet Routing Table: 3903 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11281 Number of RIPE addresses announced to Internet: 716257024 Equivalent to 42 /8s, 177 /16s and 55 /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 196608-216475 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: 118039 Total LACNIC prefixes after maximum aggregation: 28482 LACNIC Deaggregation factor: 4.14 Prefixes being announced from the LACNIC address blocks: 117103 Unique aggregates announced from the LACNIC address blocks: 49756 LACNIC Region origin ASes present in the Internet Routing Table: 10997 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2669 LACNIC Region transit ASes present in the Internet Routing Table: 2319 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8808 Number of LACNIC addresses announced to Internet: 178450688 Equivalent to 10 /8s, 162 /16s and 241 /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: 30064 Total AfriNIC prefixes after maximum aggregation: 5942 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 38810 Unique aggregates announced from the AfriNIC address blocks: 12703 AfriNIC Region origin ASes present in the Internet Routing Table: 1771 AfriNIC Prefixes per ASN: 21.91 AfriNIC Region origin ASes announcing only one prefix: 614 AfriNIC Region transit ASes present in the Internet Routing Table: 332 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 137 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1119 Number of AfriNIC addresses announced to Internet: 107599104 Equivalent to 6 /8s, 105 /16s and 213 /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 9516 8705 38 CHINAMOBILE-CN China Mobile Communicati 7545 5707 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4317 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3725 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3593 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3350 1840 98 VNPT-AS-VN VNPT Corp, VN 9498 3082 498 247 BBIL-AP BHARTI Airtel Ltd., IN 24560 2481 843 410 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11270 587 KIXS-AS-KR Korea Telecom, KR 4755 2186 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 8837 10967 3194 AMAZON-02, US 11492 4522 300 622 CABLEONE, US 7155 4193 288 100 VIASAT-SP-BACKBONE, US 22773 3557 3038 294 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3526 1319 66 SHAW, CA 749 3150 54961 2402 DNIC-AS-00749, US 16625 3070 1499 2310 AKAMAI-AS, US 367 2970 3810 1409 DNIC-ASBLK-00306-00371, US 396982 2685 3596 388 GOOGLE-CLOUD-PLATFORM, US 30036 2504 360 377 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 7342 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4074 3398 154 AKAMAI-ASN1, NL 8551 3457 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2899 2293 912 ROSTELECOM-AS, RU 9009 2663 247 1387 M247, RO 34984 2321 362 598 TELLCOM-AS, TR 58224 1817 943 536 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1553 103 1208 ASDETUK www.heficed.com, US 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 11488 3358 605 UNINET, MX 10620 3529 506 844 Telmex Colombia S.A., CO 13999 2437 364 641 Mega Cable, S.A. de C.V., MX 11830 1998 369 64 Instituto Costarricense de Electricidad 28573 1314 2324 233 Claro NXT Telecomunicacoes Ltda, BR 3816 1289 757 187 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1271 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 1044 2501 49 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 1588 393 19 LINKdotNET-AS, EG 24835 1517 533 27 RAYA-AS, EG 36992 1356 1518 282 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 24757 474 73 5 EthioNet-AS, ET 37342 474 32 1 MOVITEL, MZ 15399 439 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 11488 3358 605 UNINET, MX 9808 9516 8705 38 CHINAMOBILE-CN China Mobile Communicati 16509 8837 10967 3194 AMAZON-02, US 12479 7342 1713 145 UNI2-AS, ES 7545 5707 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4522 300 622 CABLEONE, US 18403 4317 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4193 288 100 VIASAT-SP-BACKBONE, US 20940 4074 3398 154 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 9516 9478 CHINAMOBILE-CN China Mobile Communications Grou 12479 7342 7197 UNI2-AS, ES 16509 8837 5643 AMAZON-02, US 7545 5707 5020 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4317 4292 FPT-AS-AP FPT Telecom Company, VN 7155 4193 4093 VIASAT-SP-BACKBONE, US 20940 4074 3920 AKAMAI-ASN1, NL 11492 4522 3900 CABLEONE, US 7552 3725 3704 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 60539 UNALLOCATED 5.105.33.0/24 18041 TWDS-TRANSIT-AS-TW Taiwan Di 46990 UNALLOCATED 8.5.242.0/23 3356 LEVEL3, US 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 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 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 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 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.160.88.0/24 Origin: 36318 ZSNET, CA 23.160.88.0/24 Transit: 53356 FREE RANGE CLOUD, CA 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 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 /12:295 /13:572 /14:1193 /15:2098 /16:13457 /17:8210 /18:13726 /19:24817 /20:43328 /21:50975 /22:109292 /23:98385 /24:554103 /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 6428 7342 UNI2-AS, ES 8151 5527 11488 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3432 4522 CABLEONE, US 6327 3337 3526 SHAW, CA 7155 3139 4193 VIASAT-SP-BACKBONE, US 8551 2925 3457 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2604 3557 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2161 2504 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2092 3529 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) ---------------------------------------------- 1:2221 2:1363 3:230 4:5 5:4541 6:138 7:6 8:1516 9:1 11:172 12:1508 13:379 14:2304 15:302 16:194 17:371 18:594 20:279 21:4 22:188 23:6389 24:2479 25:6 27:2530 29:19 31:2524 32:78 34:26 35:114 36:1982 37:4589 38:5129 39:851 40:147 41:3965 42:2077 43:2282 44:318 45:16518 46:4313 47:384 49:1790 50:1851 51:585 52:1597 54:391 55:962 56:8 57:121 58:1815 59:1119 60:996 61:2507 62:2684 63:1919 64:5562 65:2298 66:4923 67:2998 68:1321 69:4061 70:1202 71:681 72:2975 74:2613 75:1580 76:614 77:2443 78:1836 79:2978 80:2120 81:1796 82:1498 83:1274 84:1523 85:2964 86:764 87:1987 88:1169 89:3838 90:617 91:7815 92:2072 93:2592 94:3519 95:3998 96:1293 97:318 98:1083 99:735 100:90 101:1315 102:2913 103:31926 104:4565 105:566 106:880 107:2560 108:1120 109:4252 110:2101 111:3139 112:2065 113:1748 114:1645 115:1992 116:1900 117:2542 118:2688 119:1975 120:1786 121:1085 122:2576 123:2144 124:1576 125:2488 128:1405 129:1036 130:1015 131:1961 132:847 133:423 134:1785 135:307 136:898 137:968 138:2627 139:1559 140:1249 141:1293 142:1465 143:1490 144:996 145:338 146:1946 147:1605 148:2403 149:2118 150:880 151:1189 152:1959 153:514 154:4728 155:1382 156:1909 157:1320 158:1082 159:2223 160:2608 161:1554 162:3511 163:1576 164:1699 165:1827 166:979 167:1727 168:3823 169:899 170:4601 171:901 172:3636 173:2979 174:987 175:1181 176:3770 177:4535 178:3546 179:2153 180:2448 181:3481 182:3410 183:2004 184:2292 185:20517 186:4739 187:4085 188:4121 189:3715 190:9200 191:1381 192:10909 193:8939 194:7293 195:5174 196:3202 197:2439 198:5921 199:6068 200:7913 201:5987 202:10226 203:9981 204:4534 205:3652 206:4254 207:3376 208:4137 209:4877 210:4187 211:2440 212:4252 213:3574 214:1096 215:60 216:6686 217:2767 218:1266 219:410 220:1798 221:975 222:665 223:2162 End of report