IPv4 R&E Routing Table Report 23:05 GMT Wed 30 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: 957638 Prefixes after maximum aggregation (per Origin AS): 366659 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 469081 Number of IPv4 prefixes with a valid ROA: 507203 Number of IPv4 prefixes with an invalid ROA: 1140 Number of IPv4 prefixes with no ROA: 449295 Total ASes present in the Internet Routing Table: 76196 Prefixes per ASN: 12.57 Origin-only ASes present in the Internet Routing Table: 65476 Origin ASes announcing only one prefix: 26804 Transit ASes present in the Internet Routing Table: 10720 Transit-only ASes present in the Internet Routing Table: 498 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: 990 Number of instances of unregistered ASNs: 1003 Number of 32-bit ASNs allocated by the RIRs: 45675 Number of 32-bit ASNs visible in the Routing Table: 37283 Prefixes from 32-bit ASNs in the Routing Table: 193569 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: 522 Number of addresses announced to Internet: 3026881536 Equivalent to 180 /8s, 106 /16s and 140 /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: 314333 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 252448 Total APNIC prefixes after maximum aggregation: 75035 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 244306 Unique aggregates announced from the APNIC address blocks: 101218 APNIC Region origin ASes present in the Internet Routing Table: 14336 APNIC Prefixes per ASN: 17.04 APNIC Region origin ASes announcing only one prefix: 4369 APNIC Region transit ASes present in the Internet Routing Table: 1891 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: 9830 Number of APNIC addresses announced to Internet: 756148224 Equivalent to 45 /8s, 17 /16s and 232 /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: 280804 Total ARIN prefixes after maximum aggregation: 125913 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 284102 Unique aggregates announced from the ARIN address blocks: 135709 ARIN Region origin ASes present in the Internet Routing Table: 19141 ARIN Prefixes per ASN: 14.84 ARIN Region origin ASes announcing only one prefix: 6968 ARIN Region transit ASes present in the Internet Routing Table: 1907 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: 5041 Number of ARIN addresses announced to Internet: 1266696704 Equivalent to 75 /8s, 128 /16s and 66 /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: 267708 Total RIPE prefixes after maximum aggregation: 129665 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 264632 Unique aggregates announced from the RIPE address blocks: 168771 RIPE Region origin ASes present in the Internet Routing Table: 28779 RIPE Prefixes per ASN: 9.20 RIPE Region origin ASes announcing only one prefix: 12141 RIPE Region transit ASes present in the Internet Routing Table: 3919 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 25 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12078 Number of RIPE addresses announced to Internet: 722092032 Equivalent to 43 /8s, 10 /16s and 64 /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: 122794 Total LACNIC prefixes after maximum aggregation: 28861 LACNIC Deaggregation factor: 4.25 Prefixes being announced from the LACNIC address blocks: 120354 Unique aggregates announced from the LACNIC address blocks: 48618 LACNIC Region origin ASes present in the Internet Routing Table: 11160 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2631 LACNIC Region transit ASes present in the Internet Routing Table: 2472 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: 9073 Number of LACNIC addresses announced to Internet: 177499648 Equivalent to 10 /8s, 148 /16s and 110 /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: 32894 Total AfriNIC prefixes after maximum aggregation: 6548 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 43722 Unique aggregates announced from the AfriNIC address blocks: 14325 AfriNIC Region origin ASes present in the Internet Routing Table: 1897 AfriNIC Prefixes per ASN: 23.05 AfriNIC Region origin ASes announcing only one prefix: 695 AfriNIC Region transit ASes present in the Internet Routing Table: 359 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: 1261 Number of AfriNIC addresses announced to Internet: 104163328 Equivalent to 6 /8s, 53 /16s and 104 /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 10090 8752 83 CHINAMOBILE-CN China Mobile Communication 7545 6023 840 654 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4367 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3914 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3851 511 265 BBIL-AP BHARTI Airtel Ltd., IN 7713 3651 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3251 1869 99 VNPT-AS-VN VNPT Corp, VN 24560 2785 830 542 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2213 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 10975 11928 3860 AMAZON-02, US 11492 4661 310 548 CABLEONE, US 174 4478 8756 837 COGENT-174, US 7155 4163 287 85 VIASAT-SP-BACKBONE, US 6327 3605 1320 79 SHAW, CA 22773 3416 3037 187 ASN-CXA-ALL-CCI-22773-RDC, US 749 3262 54896 2509 DNIC-AS-00749, US 7018 3179 23672 1988 ATT-INTERNET4, US 396982 2865 3654 419 GOOGLE-CLOUD-PLATFORM, US 16625 2797 1222 2101 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 7636 1709 143 UNI2-AS, ES 39891 4720 289 58 ALJAWWALSTC-AS, SA 20940 3832 3395 125 AKAMAI-ASN1, NL 9009 3694 318 1884 M247, RO 12389 2940 2295 877 ROSTELECOM-AS, RU 34984 2341 359 578 TELLCOM-AS, TR 212238 1831 134 1358 CDNEXT, GB 13188 1606 100 30 TRIOLAN, UA 8452 1568 1852 14 TE-AS TE-AS, EG 8551 1476 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 11550 3237 537 UNINET, MX 10620 3544 494 941 Telmex Colombia S.A., CO 13999 2537 534 359 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 1321 779 195 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1160 374 163 Axtel, S.A.B. de C.V., MX 6147 1114 369 22 Telefonica del Peru S.A.A., PE 22884 1064 97 371 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1030 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 1627 593 29 RAYA-AS, EG 24863 1619 389 16 LINKdotNET-AS, EG 36992 1420 1519 283 ETISALAT-MISR, EG 29571 1365 86 58 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 986 523 45 Vodafone-, EG 37069 591 1099 13 MOBINIL, EG 6713 556 1861 35 IAM-AS, MA 36914 530 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 11550 3237 537 UNINET, MX 16509 10975 11928 3860 AMAZON-02, US 9808 10090 8752 83 CHINAMOBILE-CN China Mobile Communication 12479 7636 1709 143 UNI2-AS, ES 7545 6023 840 654 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4720 289 58 ALJAWWALSTC-AS, SA 11492 4661 310 548 CABLEONE, US 174 4478 8756 837 COGENT-174, US 18403 4367 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 10090 10007 CHINAMOBILE-CN China Mobile Communications Grou 12479 7636 7493 UNI2-AS, ES 16509 10975 7115 AMAZON-02, US 7545 6023 5369 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4720 4662 ALJAWWALSTC-AS, SA 18403 4367 4344 FPT-AS-AP FPT Telecom Company, VN 11492 4661 4113 CABLEONE, US 7155 4163 4078 VIASAT-SP-BACKBONE, US 7552 3914 3889 VIETEL-AS-AP Viettel Group, VN 20940 3832 3707 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 /14:1170 /15:2055 /16:13118 /17:8139 /18:13603 /19:24227 /20:43584 /21:51638 /22:111490 /23:99342 /24:588244 /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 6684 7636 UNI2-AS, ES 8151 5742 11550 UNINET, MX 11492 3555 4661 CABLEONE, US 39891 3412 4720 ALJAWWALSTC-AS, SA 6327 3400 3605 SHAW, CA 7155 3107 4163 VIASAT-SP-BACKBONE, US 22773 2546 3416 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2232 10975 AMAZON-02, US 30036 2190 2529 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2174 3544 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) ---------------------------------------------- 1:2265 2:1539 3:513 4:8 5:4435 6:170 7:6 8:1504 9:1 11:172 12:1419 13:369 14:2441 15:331 16:265 17:357 18:898 20:441 21:4 22:188 23:6926 24:2647 25:2 27:2651 29:19 31:2943 32:44 34:73 35:142 36:2356 37:4440 38:8779 39:917 40:153 41:4085 42:2084 43:2429 44:331 45:17680 46:4680 47:298 49:2006 50:1859 51:580 52:1583 54:315 55:952 56:8 57:223 58:2179 59:1202 60:1146 61:2768 62:2830 63:1840 64:5404 65:2274 66:4641 67:3016 68:1333 69:4012 70:1128 71:571 72:2856 74:2782 75:1631 76:636 77:2584 78:1869 79:1663 80:2194 81:2028 82:1777 83:1376 84:1746 85:3102 86:963 87:2155 88:1247 89:4370 90:702 91:8260 92:2614 93:2816 94:3817 95:4275 96:1264 97:314 98:1075 99:740 100:72 101:1161 102:3422 103:32251 104:4420 105:701 106:980 107:2395 108:1161 109:4048 110:2212 111:3304 112:2038 113:1751 114:1928 115:2117 116:1965 117:2712 118:2855 119:1980 120:1869 121:1348 122:2698 123:2140 124:1621 125:2827 126:64 128:1350 129:928 130:1238 131:1871 132:813 133:446 134:1522 135:315 136:1263 137:1091 138:2862 139:1544 140:1478 141:1565 142:1808 143:1617 144:1018 145:399 146:2093 147:2043 148:2546 149:2822 150:1125 151:1446 152:2103 153:499 154:6947 155:1546 156:2581 157:1836 158:1208 159:2426 160:3259 161:1738 162:3562 163:1760 164:1935 165:2133 166:1330 167:1853 168:4076 169:784 170:5010 171:1003 172:3894 173:3125 174:909 175:1269 176:3483 177:4863 178:3640 179:2255 180:2500 181:3926 182:3316 183:2044 184:2271 185:21132 186:5018 187:4300 188:4219 189:4148 190:9581 191:1512 192:11197 193:9258 194:7594 195:5369 196:3210 197:3097 198:5893 199:8183 200:8021 201:6266 202:10245 203:10405 204:4635 205:3636 206:4574 207:3530 208:4210 209:5107 210:4507 211:2577 212:4516 213:3632 214:1042 215:48 216:6649 217:3038 218:1319 219:396 220:2078 221:1048 222:707 223:2289 End of report