IPv4 R&E Routing Table Report 23:05 GMT Sun 01 Sep, 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: 950106 Prefixes after maximum aggregation (per Origin AS): 364530 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 466382 Number of IPv4 prefixes with a valid ROA: 494843 Number of IPv4 prefixes with an invalid ROA: 1287 Number of IPv4 prefixes with no ROA: 453976 Total ASes present in the Internet Routing Table: 75923 Prefixes per ASN: 12.51 Origin-only ASes present in the Internet Routing Table: 65215 Origin ASes announcing only one prefix: 26765 Transit ASes present in the Internet Routing Table: 10708 Transit-only ASes present in the Internet Routing Table: 508 Paths with bogon ASNs present in the IPv4 Routing Table: 9 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 54 Max AS path prepend of ASN ( 37447) 47 Prefixes from unregistered ASNs in the Routing Table: 987 Number of instances of unregistered ASNs: 994 Number of 32-bit ASNs allocated by the RIRs: 45296 Number of 32-bit ASNs visible in the Routing Table: 36926 Prefixes from 32-bit ASNs in the Routing Table: 191119 Number of bogon 32-bit ASNs visible in the Routing Table: 21 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 607 Number of addresses announced to Internet: 3033400320 Equivalent to 180 /8s, 206 /16s and 4 /24s Percentage of available address space announced: 81.9 Percentage of allocated address space announced: 81.9 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: 312586 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 250714 Total APNIC prefixes after maximum aggregation: 74770 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 242609 Unique aggregates announced from the APNIC address blocks: 100760 APNIC Region origin ASes present in the Internet Routing Table: 14240 APNIC Prefixes per ASN: 17.04 APNIC Region origin ASes announcing only one prefix: 4328 APNIC Region transit ASes present in the Internet Routing Table: 1890 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9711 Number of APNIC addresses announced to Internet: 761352960 Equivalent to 45 /8s, 97 /16s and 83 /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: 277943 Total ARIN prefixes after maximum aggregation: 125488 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 281894 Unique aggregates announced from the ARIN address blocks: 134756 ARIN Region origin ASes present in the Internet Routing Table: 19096 ARIN Prefixes per ASN: 14.76 ARIN Region origin ASes announcing only one prefix: 6955 ARIN Region transit ASes present in the Internet Routing Table: 1894 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4968 Number of ARIN addresses announced to Internet: 1266645248 Equivalent to 75 /8s, 127 /16s and 121 /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: 265921 Total RIPE prefixes after maximum aggregation: 128287 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 261945 Unique aggregates announced from the RIPE address blocks: 166339 RIPE Region origin ASes present in the Internet Routing Table: 28682 RIPE Prefixes per ASN: 9.13 RIPE Region origin ASes announcing only one prefix: 12106 RIPE Region transit ASes present in the Internet Routing Table: 3937 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11955 Number of RIPE addresses announced to Internet: 723668736 Equivalent to 43 /8s, 34 /16s and 79 /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: 122178 Total LACNIC prefixes after maximum aggregation: 28945 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120047 Unique aggregates announced from the LACNIC address blocks: 49765 LACNIC Region origin ASes present in the Internet Routing Table: 11146 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2693 LACNIC Region transit ASes present in the Internet Routing Table: 2454 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9055 Number of LACNIC addresses announced to Internet: 177101568 Equivalent to 10 /8s, 142 /16s and 91 /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: 32363 Total AfriNIC prefixes after maximum aggregation: 6405 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 43004 Unique aggregates announced from the AfriNIC address blocks: 14247 AfriNIC Region origin ASes present in the Internet Routing Table: 1872 AfriNIC Prefixes per ASN: 22.97 AfriNIC Region origin ASes announcing only one prefix: 683 AfriNIC Region transit ASes present in the Internet Routing Table: 358 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 54 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1237 Number of AfriNIC addresses announced to Internet: 104307456 Equivalent to 6 /8s, 55 /16s and 155 /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 9902 8746 75 CHINAMOBILE-CN China Mobile Communication 7545 5697 837 659 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4282 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3938 1330 20 VIETEL-AS-AP Viettel Group, VN 9498 3788 507 260 BBIL-AP BHARTI Airtel Ltd., IN 7713 3644 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3251 1841 104 VNPT-AS-VN VNPT Corp, VN 24560 2790 826 481 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2206 434 195 TATACOMM-AS TATA Communications formerly 45090 2189 1438 79 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 10633 11799 3758 AMAZON-02, US 11492 4629 308 547 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 174 3952 8782 910 COGENT-174, US 6327 3601 1320 79 SHAW, CA 22773 3419 3037 186 ASN-CXA-ALL-CCI-22773-RDC, US 749 3244 54889 2496 DNIC-AS-00749, US 7018 2940 23674 1849 ATT-INTERNET4, US 16625 2923 1244 2107 AKAMAI-AS, US 396982 2793 3568 422 GOOGLE-CLOUD-PLATFORM, 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 7693 1708 145 UNI2-AS, ES 39891 4539 273 57 ALJAWWALSTC-AS, SA 20940 3767 3395 126 AKAMAI-ASN1, NL 9009 3659 312 1856 M247, RO 12389 2855 2287 857 ROSTELECOM-AS, RU 34984 2332 359 583 TELLCOM-AS, TR 212238 1789 128 1318 CDNEXT, GB 8551 1784 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 13188 1607 100 26 TRIOLAN, UA 8452 1580 1852 14 TE-AS TE-AS, EG 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 11833 3283 519 UNINET, MX 10620 3540 494 933 Telmex Colombia S.A., CO 13999 2515 353 675 Mega Cable, S.A. de C.V., MX 11830 2009 369 64 Instituto Costarricense de Electricidad y 28573 1339 2310 257 Claro NXT Telecomunicacoes Ltda, BR 3816 1317 774 207 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1149 374 163 Axtel, S.A.B. de C.V., MX 6147 1073 369 22 Telefonica del Peru S.A.A., PE 22884 1066 98 369 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1042 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 1622 593 29 RAYA-AS, EG 24863 1611 389 16 LINKdotNET-AS, EG 36992 1412 1519 283 ETISALAT-MISR, EG 29571 1334 84 68 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 955 523 48 Vodafone-, EG 6713 556 1861 35 IAM-AS, MA 36914 532 82 3 KENET-AS, KE 37342 515 32 1 MOVITEL, MZ 15399 510 57 58 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 11833 3283 519 UNINET, MX 16509 10633 11799 3758 AMAZON-02, US 9808 9902 8746 75 CHINAMOBILE-CN China Mobile Communication 12479 7693 1708 145 UNI2-AS, ES 7545 5697 837 659 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4629 308 547 CABLEONE, US 39891 4539 273 57 ALJAWWALSTC-AS, SA 18403 4282 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4169 287 89 VIASAT-SP-BACKBONE, US 174 3952 8782 910 COGENT-174, 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 9902 9827 CHINAMOBILE-CN China Mobile Communications Grou 12479 7693 7548 UNI2-AS, ES 16509 10633 6875 AMAZON-02, US 7545 5697 5038 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4539 4482 ALJAWWALSTC-AS, SA 18403 4282 4259 FPT-AS-AP FPT Telecom Company, VN 11492 4629 4082 CABLEONE, US 7155 4169 4080 VIASAT-SP-BACKBONE, US 7552 3938 3918 VIETEL-AS-AP Viettel Group, VN 20940 3767 3641 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 23.137.192.0/24 Origin: 31798 DATACITY, CA 23.137.192.0/24 Transit: 21949 BEANFIELD, CA 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 /10:37 /11:93 /12:295 /13:573 /14:1165 /15:2057 /16:13166 /17:8131 /18:13601 /19:24347 /20:43185 /21:51322 /22:110980 /23:99371 /24:581743 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6752 7693 UNI2-AS, ES 8151 5962 11833 UNINET, MX 11492 3540 4629 CABLEONE, US 6327 3397 3601 SHAW, CA 39891 3361 4539 ALJAWWALSTC-AS, SA 7155 3113 4169 VIASAT-SP-BACKBONE, US 22773 2552 3419 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2169 3540 Telmex Colombia S.A., CO 30036 2159 2497 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2139 10633 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2288 2:1529 3:451 4:6 5:4434 6:162 7:6 8:1515 9:1 11:172 12:1431 13:362 14:2366 15:327 16:259 17:362 18:875 20:408 21:4 22:188 23:6797 24:2680 25:2 27:2608 29:19 31:2670 32:44 34:68 35:137 36:2350 37:4508 38:8402 39:918 40:150 41:4109 42:1983 43:2411 44:332 45:17445 46:4658 47:299 49:1993 50:1861 51:574 52:1579 54:318 55:952 56:8 57:213 58:2154 59:1199 60:1062 61:2747 62:2776 63:1853 64:5455 65:2288 66:4610 67:3011 68:1339 69:4004 70:1146 71:561 72:2855 74:2676 75:1562 76:621 77:2512 78:1847 79:1776 80:2186 81:2011 82:1671 83:1367 84:1719 85:3171 86:961 87:2051 88:1244 89:4258 90:692 91:8207 92:2420 93:2732 94:3746 95:4251 96:1274 97:316 98:1065 99:735 100:73 101:1158 102:3537 103:32253 104:4477 105:716 106:982 107:2372 108:1164 109:4069 110:2133 111:3239 112:2047 113:1801 114:1852 115:2049 116:1954 117:2671 118:2867 119:1983 120:1797 121:1351 122:2690 123:2126 124:1605 125:2828 126:64 128:1353 129:932 130:1200 131:1853 132:809 133:428 134:1509 135:311 136:1190 137:1060 138:2857 139:1530 140:1454 141:1445 142:1694 143:1615 144:1030 145:364 146:2084 147:2025 148:2545 149:2797 150:1068 151:1354 152:2090 153:500 154:6456 155:1429 156:2439 157:1802 158:1176 159:2426 160:3036 161:1708 162:3541 163:1740 164:1681 165:2138 166:1299 167:1850 168:4036 169:804 170:4986 171:1034 172:3890 173:3076 174:902 175:1252 176:3432 177:4771 178:3590 179:2215 180:2455 181:3890 182:3331 183:2014 184:2258 185:20981 186:4982 187:4330 188:4091 189:4206 190:9532 191:1520 192:11032 193:9223 194:7500 195:5335 196:3219 197:3011 198:5908 199:8055 200:8047 201:6380 202:10211 203:10339 204:4559 205:3651 206:4488 207:3527 208:4173 209:5051 210:4496 211:2552 212:4381 213:3679 214:1064 215:49 216:6732 217:2951 218:1331 219:381 220:1816 221:1046 222:705 223:2232 End of report