IPv4 R&E Routing Table Report 23:05 GMT Fri 22 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: 960348 Prefixes after maximum aggregation (per Origin AS): 367714 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 470687 Number of IPv4 prefixes with a valid ROA: 510546 Number of IPv4 prefixes with an invalid ROA: 1108 Number of IPv4 prefixes with no ROA: 448694 Total ASes present in the Internet Routing Table: 76296 Prefixes per ASN: 12.59 Origin-only ASes present in the Internet Routing Table: 65524 Origin ASes announcing only one prefix: 26853 Transit ASes present in the Internet Routing Table: 10772 Transit-only ASes present in the Internet Routing Table: 513 Paths with bogon ASNs present in the IPv4 Routing Table: 19 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: 1046 Number of instances of unregistered ASNs: 1059 Number of 32-bit ASNs allocated by the RIRs: 45863 Number of 32-bit ASNs visible in the Routing Table: 37418 Prefixes from 32-bit ASNs in the Routing Table: 194665 Number of bogon 32-bit ASNs visible in the Routing Table: 35 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 482 Number of addresses announced to Internet: 3025644288 Equivalent to 180 /8s, 87 /16s and 171 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 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: 314866 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 252781 Total APNIC prefixes after maximum aggregation: 75193 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 245071 Unique aggregates announced from the APNIC address blocks: 101715 APNIC Region origin ASes present in the Internet Routing Table: 14379 APNIC Prefixes per ASN: 17.04 APNIC Region origin ASes announcing only one prefix: 4396 APNIC Region transit ASes present in the Internet Routing Table: 1904 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9881 Number of APNIC addresses announced to Internet: 755878144 Equivalent to 45 /8s, 13 /16s and 201 /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: 281811 Total ARIN prefixes after maximum aggregation: 126208 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 284185 Unique aggregates announced from the ARIN address blocks: 135972 ARIN Region origin ASes present in the Internet Routing Table: 19138 ARIN Prefixes per ASN: 14.85 ARIN Region origin ASes announcing only one prefix: 6971 ARIN Region transit ASes present in the Internet Routing Table: 1912 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: 5050 Number of ARIN addresses announced to Internet: 1265908992 Equivalent to 75 /8s, 116 /16s and 61 /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: 268543 Total RIPE prefixes after maximum aggregation: 130053 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 265548 Unique aggregates announced from the RIPE address blocks: 169341 RIPE Region origin ASes present in the Internet Routing Table: 28812 RIPE Prefixes per ASN: 9.22 RIPE Region origin ASes announcing only one prefix: 12139 RIPE Region transit ASes present in the Internet Routing Table: 3939 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: 12136 Number of RIPE addresses announced to Internet: 722140672 Equivalent to 43 /8s, 10 /16s and 254 /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: 122603 Total LACNIC prefixes after maximum aggregation: 28996 LACNIC Deaggregation factor: 4.23 Prefixes being announced from the LACNIC address blocks: 120168 Unique aggregates announced from the LACNIC address blocks: 48624 LACNIC Region origin ASes present in the Internet Routing Table: 11165 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2650 LACNIC Region transit ASes present in the Internet Routing Table: 2481 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: 9080 Number of LACNIC addresses announced to Internet: 177405696 Equivalent to 10 /8s, 146 /16s and 255 /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: 33564 Total AfriNIC prefixes after maximum aggregation: 6617 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 44894 Unique aggregates announced from the AfriNIC address blocks: 14630 AfriNIC Region origin ASes present in the Internet Routing Table: 1910 AfriNIC Prefixes per ASN: 23.50 AfriNIC Region origin ASes announcing only one prefix: 697 AfriNIC Region transit ASes present in the Internet Routing Table: 363 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 77 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1271 Number of AfriNIC addresses announced to Internet: 104050944 Equivalent to 6 /8s, 51 /16s and 177 /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 10042 8752 84 CHINAMOBILE-CN China Mobile Communication 7545 6127 842 662 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4414 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 3909 515 283 BBIL-AP BHARTI Airtel Ltd., IN 7552 3905 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3688 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3249 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2794 833 542 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2215 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 10977 11946 3963 AMAZON-02, US 11492 4677 311 552 CABLEONE, US 174 4586 8765 876 COGENT-174, US 7155 4168 287 85 VIASAT-SP-BACKBONE, US 6327 3605 1320 79 SHAW, CA 22773 3404 3037 186 ASN-CXA-ALL-CCI-22773-RDC, US 749 3262 54895 2509 DNIC-AS-00749, US 7018 3207 23563 2044 ATT-INTERNET4, US 396982 2882 3655 431 GOOGLE-CLOUD-PLATFORM, US 16625 2805 1223 2098 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 7652 1709 143 UNI2-AS, ES 39891 4749 290 61 ALJAWWALSTC-AS, SA 20940 3881 3395 126 AKAMAI-ASN1, NL 9009 3672 316 1862 M247, RO 12389 2941 2293 877 ROSTELECOM-AS, RU 34984 2344 360 573 TELLCOM-AS, TR 212238 1829 132 1351 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1601 1852 14 TE-AS TE-AS, EG 62240 1468 97 728 CLOUVIDER Clouvider - Global ASN, GB 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 11464 3222 608 UNINET, MX 10620 3525 492 974 Telmex Colombia S.A., CO 13999 2533 534 373 Mega Cable, S.A. de C.V., MX 11830 1994 369 64 Instituto Costarricense de Electricidad y 3816 1327 783 201 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 28573 1322 2310 261 Claro NXT Telecomunicacoes Ltda, BR 6503 1127 374 163 Axtel, S.A.B. de C.V., MX 6147 1119 371 22 Telefonica del Peru S.A.A., PE 22884 1065 98 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1017 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 1658 593 29 RAYA-AS, EG 24863 1646 389 16 LINKdotNET-AS, EG 36992 1421 1518 288 ETISALAT-MISR, EG 29571 1406 89 61 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 1015 523 46 Vodafone-, EG 37069 902 1083 15 MOBINIL, EG 20011 565 139 330 INTERNET-SOLUTIONS, ZA 6713 556 1861 35 IAM-AS, MA 36914 549 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 11464 3222 608 UNINET, MX 16509 10977 11946 3963 AMAZON-02, US 9808 10042 8752 84 CHINAMOBILE-CN China Mobile Communication 12479 7652 1709 143 UNI2-AS, ES 7545 6127 842 662 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4749 290 61 ALJAWWALSTC-AS, SA 11492 4677 311 552 CABLEONE, US 174 4586 8765 876 COGENT-174, US 18403 4414 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4168 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 10042 9958 CHINAMOBILE-CN China Mobile Communications Grou 12479 7652 7509 UNI2-AS, ES 16509 10977 7014 AMAZON-02, US 7545 6127 5465 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4749 4688 ALJAWWALSTC-AS, SA 18403 4414 4391 FPT-AS-AP FPT Telecom Company, VN 11492 4677 4125 CABLEONE, US 7155 4168 4083 VIASAT-SP-BACKBONE, US 7552 3905 3880 VIETEL-AS-AP Viettel Group, VN 20940 3881 3755 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 23.139.32.0/24 Origin: 14727 RESERVED, ZZ 23.139.32.0/24 Transit: 174 COGENT-174, 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 /13:573 /14:1169 /15:2049 /16:13110 /17:8138 /18:13578 /19:24227 /20:43956 /21:51739 /22:111589 /23:99569 /24:590197 /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 6660 7652 UNI2-AS, ES 8151 5667 11464 UNINET, MX 11492 3555 4677 CABLEONE, US 39891 3440 4749 ALJAWWALSTC-AS, SA 6327 3400 3605 SHAW, CA 7155 3112 4168 VIASAT-SP-BACKBONE, US 22773 2535 3404 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2246 10977 AMAZON-02, US 30036 2201 2541 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2159 3525 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) ---------------------------------------------- 1:2278 2:1539 3:524 4:8 5:4442 6:166 7:6 8:1494 9:1 11:172 12:1413 13:347 14:2462 15:336 16:269 17:357 18:903 20:442 21:4 22:188 23:7017 24:2650 25:2 27:2652 29:19 31:3017 32:37 34:73 35:173 36:2380 37:4473 38:8936 39:891 40:149 41:4149 42:2092 43:2456 44:339 45:17727 46:4814 47:297 49:2008 50:1841 51:581 52:1571 54:315 55:947 56:8 57:229 58:2185 59:1179 60:1150 61:2783 62:2821 63:1838 64:5400 65:2265 66:4616 67:3018 68:1311 69:3979 70:1115 71:591 72:2859 74:2776 75:1627 76:634 77:2539 78:1874 79:1642 80:2200 81:2031 82:1757 83:1397 84:1760 85:3135 86:961 87:2151 88:1254 89:4360 90:725 91:8246 92:2611 93:2829 94:3838 95:4217 96:1246 97:313 98:1067 99:733 100:71 101:1400 102:3424 103:32283 104:4430 105:729 106:983 107:2402 108:1175 109:4035 110:2233 111:3308 112:2037 113:1788 114:1934 115:2160 116:1982 117:2715 118:2866 119:1972 120:1838 121:1352 122:2699 123:2148 124:1617 125:2840 126:62 128:1435 129:929 130:1249 131:1875 132:805 133:448 134:1523 135:317 136:1263 137:1095 138:2847 139:1527 140:1490 141:1447 142:1830 143:1598 144:1025 145:406 146:2097 147:2047 148:2561 149:2826 150:1153 151:1469 152:2105 153:499 154:7306 155:1560 156:2792 157:1842 158:1220 159:2428 160:3316 161:1739 162:3566 163:1760 164:1931 165:2144 166:1330 167:1851 168:4082 169:795 170:4992 171:996 172:3936 173:3136 174:919 175:1264 176:3537 177:4845 178:3717 179:2253 180:2550 181:3914 182:3337 183:2051 184:2268 185:21246 186:5018 187:4220 188:4214 189:4057 190:9593 191:1517 192:11158 193:9252 194:7622 195:5382 196:3193 197:3235 198:5901 199:8213 200:7978 201:6297 202:10241 203:10431 204:4619 205:3616 206:4585 207:3491 208:4220 209:5082 210:4510 211:2522 212:4535 213:3685 214:1056 215:47 216:6596 217:3084 218:1294 219:393 220:2093 221:1051 222:710 223:2287 End of report