IPv4 R&E Routing Table Report 23:05 GMT Fri 06 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: 950503 Prefixes after maximum aggregation (per Origin AS): 364201 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 464117 Number of IPv4 prefixes with a valid ROA: 495778 Number of IPv4 prefixes with an invalid ROA: 1369 Number of IPv4 prefixes with no ROA: 453356 Total ASes present in the Internet Routing Table: 75952 Prefixes per ASN: 12.51 Origin-only ASes present in the Internet Routing Table: 65224 Origin ASes announcing only one prefix: 26787 Transit ASes present in the Internet Routing Table: 10728 Transit-only ASes present in the Internet Routing Table: 509 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: 93 Max AS path prepend of ASN ( 37447) 86 Prefixes from unregistered ASNs in the Routing Table: 977 Number of instances of unregistered ASNs: 984 Number of 32-bit ASNs allocated by the RIRs: 45317 Number of 32-bit ASNs visible in the Routing Table: 36963 Prefixes from 32-bit ASNs in the Routing Table: 191233 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: 590 Number of addresses announced to Internet: 3034562560 Equivalent to 180 /8s, 223 /16s and 192 /24s Percentage of available address space announced: 82.0 Percentage of allocated address space announced: 82.0 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: 312659 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 250984 Total APNIC prefixes after maximum aggregation: 74776 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 242828 Unique aggregates announced from the APNIC address blocks: 100553 APNIC Region origin ASes present in the Internet Routing Table: 14254 APNIC Prefixes per ASN: 17.04 APNIC Region origin ASes announcing only one prefix: 4339 APNIC Region transit ASes present in the Internet Routing Table: 1901 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: 9729 Number of APNIC addresses announced to Internet: 761269248 Equivalent to 45 /8s, 96 /16s and 12 /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: 278185 Total ARIN prefixes after maximum aggregation: 125723 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 282099 Unique aggregates announced from the ARIN address blocks: 134892 ARIN Region origin ASes present in the Internet Routing Table: 19104 ARIN Prefixes per ASN: 14.77 ARIN Region origin ASes announcing only one prefix: 6959 ARIN Region transit ASes present in the Internet Routing Table: 1908 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4975 Number of ARIN addresses announced to Internet: 1266698752 Equivalent to 75 /8s, 128 /16s and 74 /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: 266007 Total RIPE prefixes after maximum aggregation: 128349 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 262183 Unique aggregates announced from the RIPE address blocks: 166537 RIPE Region origin ASes present in the Internet Routing Table: 28692 RIPE Prefixes per ASN: 9.14 RIPE Region origin ASes announcing only one prefix: 12111 RIPE Region transit ASes present in the Internet Routing Table: 3932 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: 11973 Number of RIPE addresses announced to Internet: 723770624 Equivalent to 43 /8s, 35 /16s and 221 /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: 122151 Total LACNIC prefixes after maximum aggregation: 28332 LACNIC Deaggregation factor: 4.31 Prefixes being announced from the LACNIC address blocks: 119998 Unique aggregates announced from the LACNIC address blocks: 47399 LACNIC Region origin ASes present in the Internet Routing Table: 11149 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2692 LACNIC Region transit ASes present in the Internet Routing Table: 2461 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: 9053 Number of LACNIC addresses announced to Internet: 178230528 Equivalent to 10 /8s, 159 /16s and 149 /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: 32199 Total AfriNIC prefixes after maximum aggregation: 6392 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 42805 Unique aggregates announced from the AfriNIC address blocks: 14237 AfriNIC Region origin ASes present in the Internet Routing Table: 1869 AfriNIC Prefixes per ASN: 22.90 AfriNIC Region origin ASes announcing only one prefix: 686 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: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1233 Number of AfriNIC addresses announced to Internet: 104274688 Equivalent to 6 /8s, 55 /16s and 27 /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 9895 8746 75 CHINAMOBILE-CN China Mobile Communication 7545 5706 837 658 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4270 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3937 1330 20 VIETEL-AS-AP Viettel Group, VN 9498 3788 507 260 BBIL-AP BHARTI Airtel Ltd., IN 7713 3641 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3251 1841 104 VNPT-AS-VN VNPT Corp, VN 24560 2805 836 469 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2207 434 195 TATACOMM-AS TATA Communications formerly 45090 2188 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 10645 11798 3777 AMAZON-02, US 11492 4639 308 547 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 174 3977 8781 909 COGENT-174, US 6327 3602 1320 79 SHAW, CA 22773 3422 3037 186 ASN-CXA-ALL-CCI-22773-RDC, US 749 3243 54889 2495 DNIC-AS-00749, US 7018 3022 23680 1898 ATT-INTERNET4, US 396982 2802 3568 428 GOOGLE-CLOUD-PLATFORM, US 16625 2801 1241 2105 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 7662 1708 145 UNI2-AS, ES 39891 4466 269 55 ALJAWWALSTC-AS, SA 20940 3793 3395 126 AKAMAI-ASN1, NL 9009 3665 312 1857 M247, RO 12389 2855 2287 857 ROSTELECOM-AS, RU 34984 2332 359 583 TELLCOM-AS, TR 212238 1795 128 1322 CDNEXT, GB 8551 1779 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 11735 3271 512 UNINET, MX 10620 3541 494 934 Telmex Colombia S.A., CO 13999 2547 629 22 Mega Cable, S.A. de C.V., MX 11830 2009 369 64 Instituto Costarricense de Electricidad y 28573 1337 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1316 774 204 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1148 374 163 Axtel, S.A.B. de C.V., MX 6147 1104 369 22 Telefonica del Peru S.A.A., PE 22884 1065 98 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1045 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 1609 389 16 LINKdotNET-AS, EG 36992 1411 1519 282 ETISALAT-MISR, EG 29571 1335 85 69 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 932 521 42 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 36914 534 82 3 KENET-AS, KE 37342 516 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 11735 3271 512 UNINET, MX 16509 10645 11798 3777 AMAZON-02, US 9808 9895 8746 75 CHINAMOBILE-CN China Mobile Communication 12479 7662 1708 145 UNI2-AS, ES 7545 5706 837 658 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4639 308 547 CABLEONE, US 39891 4466 269 55 ALJAWWALSTC-AS, SA 18403 4270 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4169 287 89 VIASAT-SP-BACKBONE, US 174 3977 8781 909 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 9895 9820 CHINAMOBILE-CN China Mobile Communications Grou 12479 7662 7517 UNI2-AS, ES 16509 10645 6868 AMAZON-02, US 7545 5706 5048 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4466 4411 ALJAWWALSTC-AS, SA 18403 4270 4247 FPT-AS-AP FPT Telecom Company, VN 11492 4639 4092 CABLEONE, US 7155 4169 4080 VIASAT-SP-BACKBONE, US 7552 3937 3917 VIETEL-AS-AP Viettel Group, VN 20940 3793 3667 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 /13:578 /14:1167 /15:2063 /16:13172 /17:8140 /18:13623 /19:24335 /20:43182 /21:51295 /22:111048 /23:99419 /24:582016 /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 6718 7662 UNI2-AS, ES 8151 5867 11735 UNINET, MX 11492 3550 4639 CABLEONE, US 6327 3397 3602 SHAW, CA 39891 3356 4466 ALJAWWALSTC-AS, SA 7155 3113 4169 VIASAT-SP-BACKBONE, US 22773 2556 3422 ASN-CXA-ALL-CCI-22773-RDC, US 10620 2170 3541 Telmex Colombia S.A., CO 30036 2162 2499 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2138 10645 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2279 2:1510 3:455 4:6 5:4451 6:161 7:6 8:1512 9:1 11:172 12:1429 13:364 14:2373 15:324 16:259 17:360 18:877 20:408 21:4 22:188 23:6787 24:2679 25:2 27:2613 29:19 31:2679 32:44 34:68 35:138 36:2352 37:4515 38:8461 39:920 40:151 41:4086 42:1978 43:2406 44:332 45:17445 46:4645 47:298 49:1979 50:1866 51:579 52:1579 54:318 55:960 56:8 57:213 58:2169 59:1203 60:1063 61:2750 62:2782 63:1845 64:5462 65:2282 66:4636 67:3032 68:1335 69:3999 70:1145 71:563 72:2854 74:2663 75:1568 76:620 77:2527 78:1850 79:1812 80:2198 81:1997 82:1686 83:1364 84:1738 85:3174 86:981 87:2046 88:1249 89:4281 90:682 91:8214 92:2441 93:2725 94:3746 95:4271 96:1273 97:316 98:1066 99:736 100:73 101:1160 102:3367 103:32193 104:4375 105:703 106:983 107:2376 108:1153 109:4076 110:2133 111:3226 112:2048 113:1799 114:1883 115:2030 116:1956 117:2668 118:2865 119:1985 120:1799 121:1351 122:2689 123:2123 124:1619 125:2824 126:64 128:1363 129:932 130:1206 131:1842 132:812 133:428 134:1507 135:310 136:1200 137:1068 138:2837 139:1532 140:1451 141:1443 142:1728 143:1616 144:1026 145:364 146:2071 147:2026 148:2541 149:2806 150:1073 151:1361 152:2090 153:500 154:6432 155:1433 156:2447 157:1794 158:1184 159:2430 160:3048 161:1707 162:3546 163:1740 164:1686 165:2141 166:1299 167:1847 168:4022 169:799 170:4970 171:1035 172:3877 173:3076 174:901 175:1247 176:3443 177:4746 178:3592 179:2195 180:2458 181:3909 182:3321 183:2012 184:2260 185:21009 186:5010 187:4309 188:4093 189:4164 190:9594 191:1521 192:11030 193:9213 194:7496 195:5355 196:3216 197:3084 198:5907 199:8088 200:8054 201:6368 202:10201 203:10340 204:4570 205:3652 206:4487 207:3531 208:4172 209:5060 210:4500 211:2555 212:4417 213:3653 214:1059 215:49 216:6726 217:2943 218:1330 219:388 220:2034 221:1046 222:705 223:2233 End of report