IPv4 R&E Routing Table Report 23:05 GMT Sun 27 Oct, 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: 957446 Prefixes after maximum aggregation (per Origin AS): 366445 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 468643 Number of IPv4 prefixes with a valid ROA: 506476 Number of IPv4 prefixes with an invalid ROA: 1234 Number of IPv4 prefixes with no ROA: 449736 Total ASes present in the Internet Routing Table: 76182 Prefixes per ASN: 12.57 Origin-only ASes present in the Internet Routing Table: 65439 Origin ASes announcing only one prefix: 26776 Transit ASes present in the Internet Routing Table: 10743 Transit-only ASes present in the Internet Routing Table: 504 Paths with bogon ASNs present in the IPv4 Routing Table: 14 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 106 Max AS path prepend of ASN (269289) 101 Prefixes from unregistered ASNs in the Routing Table: 989 Number of instances of unregistered ASNs: 1000 Number of 32-bit ASNs allocated by the RIRs: 45665 Number of 32-bit ASNs visible in the Routing Table: 37263 Prefixes from 32-bit ASNs in the Routing Table: 193432 Number of bogon 32-bit ASNs visible in the Routing Table: 30 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 530 Number of addresses announced to Internet: 3026632960 Equivalent to 180 /8s, 102 /16s and 193 /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: 314085 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 252556 Total APNIC prefixes after maximum aggregation: 74960 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 244466 Unique aggregates announced from the APNIC address blocks: 101127 APNIC Region origin ASes present in the Internet Routing Table: 14330 APNIC Prefixes per ASN: 17.06 APNIC Region origin ASes announcing only one prefix: 4360 APNIC Region transit ASes present in the Internet Routing Table: 1899 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: 9824 Number of APNIC addresses announced to Internet: 756090368 Equivalent to 45 /8s, 17 /16s and 6 /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: 280734 Total ARIN prefixes after maximum aggregation: 125909 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 284052 Unique aggregates announced from the ARIN address blocks: 135594 ARIN Region origin ASes present in the Internet Routing Table: 19147 ARIN Prefixes per ASN: 14.84 ARIN Region origin ASes announcing only one prefix: 6973 ARIN Region transit ASes present in the Internet Routing Table: 1910 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5042 Number of ARIN addresses announced to Internet: 1266690048 Equivalent to 75 /8s, 128 /16s and 40 /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, 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: 267554 Total RIPE prefixes after maximum aggregation: 129574 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 264408 Unique aggregates announced from the RIPE address blocks: 168688 RIPE Region origin ASes present in the Internet Routing Table: 28771 RIPE Prefixes per ASN: 9.19 RIPE Region origin ASes announcing only one prefix: 12130 RIPE Region transit ASes present in the Internet Routing Table: 3923 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12072 Number of RIPE addresses announced to Internet: 721968640 Equivalent to 43 /8s, 8 /16s and 94 /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: 122768 Total LACNIC prefixes after maximum aggregation: 28817 LACNIC Deaggregation factor: 4.26 Prefixes being announced from the LACNIC address blocks: 120346 Unique aggregates announced from the LACNIC address blocks: 48496 LACNIC Region origin ASes present in the Internet Routing Table: 11159 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2626 LACNIC Region transit ASes present in the Internet Routing Table: 2471 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 106 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9071 Number of LACNIC addresses announced to Internet: 177480192 Equivalent to 10 /8s, 148 /16s and 34 /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: 32845 Total AfriNIC prefixes after maximum aggregation: 6546 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 43644 Unique aggregates announced from the AfriNIC address blocks: 14294 AfriNIC Region origin ASes present in the Internet Routing Table: 1887 AfriNIC Prefixes per ASN: 23.13 AfriNIC Region origin ASes announcing only one prefix: 687 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: 1254 Number of AfriNIC addresses announced to Internet: 104119552 Equivalent to 6 /8s, 52 /16s and 189 /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 10076 8751 80 CHINAMOBILE-CN China Mobile Communication 7545 5995 840 655 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4554 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3942 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3852 511 267 BBIL-AP BHARTI Airtel Ltd., IN 7713 3651 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3254 1871 101 VNPT-AS-VN VNPT Corp, VN 24560 2783 829 542 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2211 434 195 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 10929 11916 3826 AMAZON-02, US 11492 4660 310 547 CABLEONE, US 174 4484 8757 838 COGENT-174, US 7155 4163 287 85 VIASAT-SP-BACKBONE, US 6327 3603 1320 79 SHAW, CA 22773 3414 3037 187 ASN-CXA-ALL-CCI-22773-RDC, US 749 3262 54896 2509 DNIC-AS-00749, US 7018 3179 23669 1974 ATT-INTERNET4, US 396982 2866 3654 420 GOOGLE-CLOUD-PLATFORM, US 16625 2796 1222 2100 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 7642 1709 143 UNI2-AS, ES 39891 4720 289 58 ALJAWWALSTC-AS, SA 20940 3830 3395 125 AKAMAI-ASN1, NL 9009 3703 319 1892 M247, RO 12389 2942 2294 878 ROSTELECOM-AS, RU 34984 2341 359 578 TELLCOM-AS, TR 212238 1807 133 1342 CDNEXT, GB 13188 1606 100 30 TRIOLAN, UA 8452 1565 1852 14 TE-AS TE-AS, EG 8551 1471 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 11558 3237 507 UNINET, MX 10620 3545 494 939 Telmex Colombia S.A., CO 13999 2530 533 358 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad y 28573 1338 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1320 779 200 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1160 374 163 Axtel, S.A.B. de C.V., MX 6147 1112 369 22 Telefonica del Peru S.A.A., PE 22884 1058 97 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1034 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 1637 593 29 RAYA-AS, EG 24863 1618 389 16 LINKdotNET-AS, EG 36992 1404 1519 283 ETISALAT-MISR, EG 29571 1359 86 59 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 990 523 46 Vodafone-, EG 37069 591 1099 13 MOBINIL, EG 6713 555 1861 35 IAM-AS, MA 36914 528 82 3 KENET-AS, KE 37342 516 32 1 MOVITEL, MZ 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 11558 3237 507 UNINET, MX 16509 10929 11916 3826 AMAZON-02, US 9808 10076 8751 80 CHINAMOBILE-CN China Mobile Communication 12479 7642 1709 143 UNI2-AS, ES 7545 5995 840 655 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4720 289 58 ALJAWWALSTC-AS, SA 11492 4660 310 547 CABLEONE, US 18403 4554 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4484 8757 838 COGENT-174, US 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 10076 9996 CHINAMOBILE-CN China Mobile Communications Grou 12479 7642 7499 UNI2-AS, ES 16509 10929 7103 AMAZON-02, US 7545 5995 5340 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4720 4662 ALJAWWALSTC-AS, SA 18403 4554 4531 FPT-AS-AP FPT Telecom Company, VN 11492 4660 4113 CABLEONE, US 7155 4163 4078 VIASAT-SP-BACKBONE, US 7552 3942 3917 VIETEL-AS-AP Viettel Group, VN 20940 3830 3705 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 /13:575 /14:1170 /15:2056 /16:13145 /17:8147 /18:13594 /19:24223 /20:43573 /21:51592 /22:111482 /23:99257 /24:588178 /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 6696 7642 UNI2-AS, ES 8151 5751 11558 UNINET, MX 11492 3555 4660 CABLEONE, US 39891 3412 4720 ALJAWWALSTC-AS, SA 6327 3398 3603 SHAW, CA 7155 3107 4163 VIASAT-SP-BACKBONE, US 22773 2545 3414 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2214 10929 AMAZON-02, US 30036 2187 2526 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2174 3545 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) ---------------------------------------------- 1:2277 2:1535 3:508 4:8 5:4420 6:170 7:6 8:1507 9:1 11:172 12:1422 13:370 14:2438 15:331 16:264 17:357 18:900 20:441 21:4 22:188 23:6916 24:2646 25:2 27:2652 29:19 31:2930 32:44 34:73 35:140 36:2356 37:4481 38:8738 39:918 40:153 41:4095 42:2194 43:2426 44:331 45:17653 46:4696 47:298 49:2005 50:1861 51:580 52:1584 54:316 55:948 56:8 57:222 58:2183 59:1201 60:1145 61:2767 62:2831 63:1853 64:5410 65:2285 66:4643 67:3009 68:1332 69:4011 70:1128 71:562 72:2855 74:2775 75:1629 76:636 77:2561 78:1867 79:1657 80:2192 81:2027 82:1777 83:1375 84:1744 85:3096 86:960 87:2152 88:1240 89:4351 90:700 91:8267 92:2622 93:2814 94:3805 95:4283 96:1264 97:315 98:1074 99:740 100:72 101:1159 102:3421 103:32252 104:4407 105:702 106:985 107:2397 108:1152 109:4028 110:2205 111:3307 112:2037 113:1776 114:1927 115:2121 116:1963 117:2714 118:2874 119:1979 120:1867 121:1347 122:2696 123:2140 124:1622 125:2827 126:64 128:1411 129:925 130:1234 131:1860 132:809 133:446 134:1523 135:316 136:1262 137:1090 138:2912 139:1545 140:1481 141:1570 142:1806 143:1600 144:1022 145:395 146:2095 147:2042 148:2538 149:2809 150:1124 151:1445 152:2103 153:499 154:6924 155:1538 156:2583 157:1840 158:1213 159:2427 160:3226 161:1733 162:3552 163:1757 164:1937 165:2137 166:1326 167:1855 168:4080 169:782 170:4957 171:1022 172:3898 173:3115 174:908 175:1269 176:3473 177:4899 178:3541 179:2236 180:2494 181:3928 182:3315 183:2056 184:2268 185:21140 186:5019 187:4258 188:4243 189:4127 190:9580 191:1532 192:11203 193:9258 194:7596 195:5389 196:3208 197:3056 198:5930 199:8182 200:8040 201:6311 202:10245 203:10387 204:4619 205:3637 206:4561 207:3567 208:4212 209:5121 210:4507 211:2570 212:4505 213:3631 214:1071 215:48 216:6634 217:3042 218:1321 219:396 220:2070 221:1048 222:707 223:2273 End of report