IPv4 R&E Routing Table Report 23:05 GMT Tue 12 Nov, 2024 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: 959666 Prefixes after maximum aggregation (per Origin AS): 367261 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 469965 Number of IPv4 prefixes with a valid ROA: 508905 Number of IPv4 prefixes with an invalid ROA: 1212 Number of IPv4 prefixes with no ROA: 449549 Total ASes present in the Internet Routing Table: 76250 Prefixes per ASN: 12.59 Origin-only ASes present in the Internet Routing Table: 65519 Origin ASes announcing only one prefix: 26824 Transit ASes present in the Internet Routing Table: 10731 Transit-only ASes present in the Internet Routing Table: 505 Paths with bogon ASNs present in the IPv4 Routing Table: 16 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 77 Max AS path prepend of ASN ( 37447) 73 Prefixes from unregistered ASNs in the Routing Table: 1044 Number of instances of unregistered ASNs: 1057 Number of 32-bit ASNs allocated by the RIRs: 45834 Number of 32-bit ASNs visible in the Routing Table: 37348 Prefixes from 32-bit ASNs in the Routing Table: 194279 Number of bogon 32-bit ASNs visible in the Routing Table: 34 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 487 Number of addresses announced to Internet: 3027663360 Equivalent to 180 /8s, 118 /16s and 122 /24s Percentage of available address space announced: 81.8 Percentage of allocated address space announced: 81.8 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: 314623 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 252682 Total APNIC prefixes after maximum aggregation: 75176 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 245092 Unique aggregates announced from the APNIC address blocks: 101508 APNIC Region origin ASes present in the Internet Routing Table: 14362 APNIC Prefixes per ASN: 17.07 APNIC Region origin ASes announcing only one prefix: 4389 APNIC Region transit ASes present in the Internet Routing Table: 1898 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9858 Number of APNIC addresses announced to Internet: 756812544 Equivalent to 45 /8s, 28 /16s and 11 /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: 281627 Total ARIN prefixes after maximum aggregation: 126023 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 283946 Unique aggregates announced from the ARIN address blocks: 135852 ARIN Region origin ASes present in the Internet Routing Table: 19155 ARIN Prefixes per ASN: 14.82 ARIN Region origin ASes announcing only one prefix: 6977 ARIN Region transit ASes present in the Internet Routing Table: 1911 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5044 Number of ARIN addresses announced to Internet: 1266662144 Equivalent to 75 /8s, 127 /16s and 187 /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, 393216-402332 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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 268249 Total RIPE prefixes after maximum aggregation: 129847 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 265208 Unique aggregates announced from the RIPE address blocks: 169075 RIPE Region origin ASes present in the Internet Routing Table: 28783 RIPE Prefixes per ASN: 9.21 RIPE Region origin ASes announcing only one prefix: 12139 RIPE Region transit ASes present in the Internet Routing Table: 3924 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 27 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12105 Number of RIPE addresses announced to Internet: 722262272 Equivalent to 43 /8s, 12 /16s and 217 /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, 53/8, 57/8, 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: 122784 Total LACNIC prefixes after maximum aggregation: 28975 LACNIC Deaggregation factor: 4.24 Prefixes being announced from the LACNIC address blocks: 120412 Unique aggregates announced from the LACNIC address blocks: 48668 LACNIC Region origin ASes present in the Internet Routing Table: 11163 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2625 LACNIC Region transit ASes present in the Internet Routing Table: 2465 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9075 Number of LACNIC addresses announced to Internet: 177430272 Equivalent to 10 /8s, 147 /16s and 95 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 33280 Total AfriNIC prefixes after maximum aggregation: 6599 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 44521 Unique aggregates announced from the AfriNIC address blocks: 14452 AfriNIC Region origin ASes present in the Internet Routing Table: 1905 AfriNIC Prefixes per ASN: 23.37 AfriNIC Region origin ASes announcing only one prefix: 694 AfriNIC Region transit ASes present in the Internet Routing Table: 362 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 77 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1266 Number of AfriNIC addresses announced to Internet: 104227840 Equivalent to 6 /8s, 54 /16s and 100 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 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 10032 8752 84 CHINAMOBILE-CN China Mobile Communication 7545 6074 842 659 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4340 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3908 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3869 512 270 BBIL-AP BHARTI Airtel Ltd., IN 7713 3668 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3253 1869 102 VNPT-AS-VN VNPT Corp, VN 24560 2790 831 542 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2210 434 194 TATACOMM-AS TATA Communications formerly 45090 2206 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer 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 10974 12015 3864 AMAZON-02, US 11492 4669 310 550 CABLEONE, US 174 4500 8758 825 COGENT-174, US 7155 4163 287 85 VIASAT-SP-BACKBONE, US 6327 3605 1320 79 SHAW, CA 22773 3410 3037 186 ASN-CXA-ALL-CCI-22773-RDC, US 749 3262 54895 2509 DNIC-AS-00749, US 7018 3191 23667 2014 ATT-INTERNET4, US 396982 2869 3654 424 GOOGLE-CLOUD-PLATFORM, US 16625 2807 1224 2104 AKAMAI-AS, 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 7621 1709 143 UNI2-AS, ES 39891 4724 289 58 ALJAWWALSTC-AS, SA 20940 3865 3395 126 AKAMAI-ASN1, NL 9009 3675 317 1862 M247, RO 12389 2938 2294 875 ROSTELECOM-AS, RU 34984 2341 359 578 TELLCOM-AS, TR 212238 1841 134 1361 CDNEXT, GB 13188 1606 100 30 TRIOLAN, UA 8452 1595 1852 14 TE-AS TE-AS, EG 8551 1474 366 32 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 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 11457 3216 612 UNINET, MX 10620 3542 494 942 Telmex Colombia S.A., CO 13999 2543 535 361 Mega Cable, S.A. de C.V., MX 11830 2004 369 64 Instituto Costarricense de Electricidad y 28573 1333 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1324 782 199 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1155 374 163 Axtel, S.A.B. de C.V., MX 6147 1117 371 22 Telefonica del Peru S.A.A., PE 22884 1063 98 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1031 2503 53 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 24835 1669 593 29 RAYA-AS, EG 24863 1645 389 16 LINKdotNET-AS, EG 36992 1415 1516 289 ETISALAT-MISR, EG 29571 1385 88 58 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 1014 523 45 Vodafone-, EG 37069 720 1099 15 MOBINIL, EG 6713 555 1861 35 IAM-AS, MA 20011 544 138 318 INTERNET-SOLUTIONS, ZA 36914 533 82 3 KENET-AS, 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 11457 3216 612 UNINET, MX 16509 10974 12015 3864 AMAZON-02, US 9808 10032 8752 84 CHINAMOBILE-CN China Mobile Communication 12479 7621 1709 143 UNI2-AS, ES 7545 6074 842 659 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4724 289 58 ALJAWWALSTC-AS, SA 11492 4669 310 550 CABLEONE, US 174 4500 8758 825 COGENT-174, US 18403 4340 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4163 287 85 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 10032 9948 CHINAMOBILE-CN China Mobile Communications Grou 12479 7621 7478 UNI2-AS, ES 16509 10974 7110 AMAZON-02, US 7545 6074 5415 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4724 4666 ALJAWWALSTC-AS, SA 18403 4340 4317 FPT-AS-AP FPT Telecom Company, VN 11492 4669 4119 CABLEONE, US 7155 4163 4078 VIASAT-SP-BACKBONE, US 7552 3908 3883 VIETEL-AS-AP Viettel Group, VN 20940 3865 3739 AKAMAI-ASN1, NL 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 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, 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 3356 LEVEL3, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 3491 CONSOLE-CONNECT-ASN, US 23.139.88.0/24 Origin: 397244 RESERVED, ZZ 23.139.88.0/24 Transit: 33387 NOCIX, US 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 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US 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 /9:16 /10:36 /11:91 /12:295 /13:574 /14:1166 /15:2050 /16:13140 /17:8157 /18:13626 /19:24271 /20:43740 /21:51630 /22:111700 /23:99458 /24:589700 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6657 7621 UNI2-AS, ES 8151 5661 11457 UNINET, MX 11492 3555 4669 CABLEONE, US 39891 3416 4724 ALJAWWALSTC-AS, SA 6327 3400 3605 SHAW, CA 7155 3107 4163 VIASAT-SP-BACKBONE, US 22773 2541 3410 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2234 10974 AMAZON-02, US 30036 2196 2536 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2172 3542 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) ---------------------------------------------- 1:2289 2:1549 3:510 4:8 5:4509 6:169 7:6 8:1491 9:1 11:172 12:1422 13:359 14:2464 15:332 16:269 17:359 18:906 20:441 21:4 22:188 23:6956 24:2653 25:2 27:2652 29:19 31:2990 32:44 34:73 35:145 36:2378 37:4434 38:8851 39:919 40:153 41:4121 42:2045 43:2451 44:339 45:17675 46:4732 47:298 49:2012 50:1841 51:583 52:1576 54:316 55:952 56:8 57:223 58:2174 59:1205 60:1149 61:2777 62:2812 63:1841 64:5408 65:2270 66:4623 67:3003 68:1313 69:3979 70:1123 71:572 72:2851 74:2776 75:1628 76:635 77:2581 78:1877 79:1665 80:2188 81:2020 82:1783 83:1384 84:1750 85:3111 86:960 87:2160 88:1252 89:4393 90:691 91:8243 92:2593 93:2778 94:3837 95:4257 96:1249 97:313 98:1068 99:739 100:72 101:1410 102:3407 103:32259 104:4419 105:735 106:986 107:2398 108:1168 109:4049 110:2223 111:3320 112:2041 113:1779 114:1932 115:2148 116:1971 117:2709 118:2872 119:1978 120:1835 121:1351 122:2699 123:2154 124:1671 125:2837 126:62 128:1378 129:927 130:1252 131:1889 132:805 133:446 134:1519 135:317 136:1261 137:1089 138:2879 139:1535 140:1485 141:1450 142:1812 143:1586 144:1021 145:400 146:2098 147:2053 148:2556 149:2811 150:1144 151:1459 152:2102 153:498 154:7162 155:1556 156:2821 157:1838 158:1221 159:2427 160:3320 161:1734 162:3572 163:1754 164:1939 165:2129 166:1331 167:1848 168:4107 169:781 170:4996 171:996 172:3917 173:3131 174:919 175:1267 176:3505 177:4870 178:3697 179:2226 180:2538 181:3930 182:3340 183:2036 184:2269 185:21196 186:5020 187:4229 188:4215 189:4131 190:9582 191:1511 192:11173 193:9245 194:7606 195:5386 196:3231 197:3106 198:5897 199:8204 200:8067 201:6313 202:10251 203:10433 204:4633 205:3634 206:4558 207:3496 208:4210 209:5092 210:4515 211:2570 212:4519 213:3687 214:1051 215:47 216:6606 217:3064 218:1322 219:397 220:2080 221:1051 222:711 223:2307 End of report