IPv4 R&E Routing Table Report 23:05 GMT Thu 31 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: 957417 Prefixes after maximum aggregation (per Origin AS): 366767 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 469220 Number of IPv4 prefixes with a valid ROA: 506834 Number of IPv4 prefixes with an invalid ROA: 1188 Number of IPv4 prefixes with no ROA: 449395 Total ASes present in the Internet Routing Table: 76206 Prefixes per ASN: 12.56 Origin-only ASes present in the Internet Routing Table: 65460 Origin ASes announcing only one prefix: 26810 Transit ASes present in the Internet Routing Table: 10746 Transit-only ASes present in the Internet Routing Table: 501 Paths with bogon ASNs present in the IPv4 Routing Table: 17 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: 953 Number of instances of unregistered ASNs: 967 Number of 32-bit ASNs allocated by the RIRs: 45680 Number of 32-bit ASNs visible in the Routing Table: 37293 Prefixes from 32-bit ASNs in the Routing Table: 193545 Number of bogon 32-bit ASNs visible in the Routing Table: 36 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 513 Number of addresses announced to Internet: 3026496512 Equivalent to 180 /8s, 100 /16s and 172 /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: 314136 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 252163 Total APNIC prefixes after maximum aggregation: 74951 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 244451 Unique aggregates announced from the APNIC address blocks: 101243 APNIC Region origin ASes present in the Internet Routing Table: 14337 APNIC Prefixes per ASN: 17.05 APNIC Region origin ASes announcing only one prefix: 4374 APNIC Region transit ASes present in the Internet Routing Table: 1890 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9829 Number of APNIC addresses announced to Internet: 756095488 Equivalent to 45 /8s, 17 /16s and 26 /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: 281327 Total ARIN prefixes after maximum aggregation: 126026 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 284092 Unique aggregates announced from the ARIN address blocks: 135718 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: 6974 ARIN Region transit ASes present in the Internet Routing Table: 1913 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: 5046 Number of ARIN addresses announced to Internet: 1266699008 Equivalent to 75 /8s, 128 /16s and 75 /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: 267669 Total RIPE prefixes after maximum aggregation: 129717 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 264658 Unique aggregates announced from the RIPE address blocks: 168875 RIPE Region origin ASes present in the Internet Routing Table: 28772 RIPE Prefixes per ASN: 9.20 RIPE Region origin ASes announcing only one prefix: 12140 RIPE Region transit ASes present in the Internet Routing Table: 3934 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: 722070016 Equivalent to 43 /8s, 9 /16s and 234 /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: 122800 Total LACNIC prefixes after maximum aggregation: 28893 LACNIC Deaggregation factor: 4.25 Prefixes being announced from the LACNIC address blocks: 120329 Unique aggregates announced from the LACNIC address blocks: 48648 LACNIC Region origin ASes present in the Internet Routing Table: 11164 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2628 LACNIC Region transit ASes present in the Internet Routing Table: 2479 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: 9077 Number of LACNIC addresses announced to Internet: 177504256 Equivalent to 10 /8s, 148 /16s and 128 /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: 32505 Total AfriNIC prefixes after maximum aggregation: 6550 AfriNIC Deaggregation factor: 4.96 Prefixes being announced from the AfriNIC address blocks: 43374 Unique aggregates announced from the AfriNIC address blocks: 14301 AfriNIC Region origin ASes present in the Internet Routing Table: 1902 AfriNIC Prefixes per ASN: 22.80 AfriNIC Region origin ASes announcing only one prefix: 694 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: 1263 Number of AfriNIC addresses announced to Internet: 103849216 Equivalent to 6 /8s, 48 /16s and 157 /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 10085 8752 83 CHINAMOBILE-CN China Mobile Communication 7545 6062 840 653 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4301 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3910 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 3252 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 10970 11929 3870 AMAZON-02, US 11492 4661 310 548 CABLEONE, US 174 4476 8756 836 COGENT-174, US 7155 4163 287 85 VIASAT-SP-BACKBONE, US 6327 3605 1320 79 SHAW, CA 22773 3417 3037 187 ASN-CXA-ALL-CCI-22773-RDC, US 749 3262 54896 2509 DNIC-AS-00749, US 7018 3156 23661 1980 ATT-INTERNET4, US 396982 2865 3654 419 GOOGLE-CLOUD-PLATFORM, US 16625 2798 1222 2102 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 7638 1709 143 UNI2-AS, ES 39891 4720 289 58 ALJAWWALSTC-AS, SA 20940 3833 3395 125 AKAMAI-ASN1, NL 9009 3695 318 1885 M247, RO 12389 2941 2295 877 ROSTELECOM-AS, RU 34984 2341 359 578 TELLCOM-AS, TR 212238 1828 134 1358 CDNEXT, GB 13188 1606 100 30 TRIOLAN, UA 8452 1567 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 11563 3237 537 UNINET, MX 10620 3543 494 943 Telmex Colombia S.A., CO 13999 2525 534 364 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 1323 779 196 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1157 374 163 Axtel, S.A.B. de C.V., MX 6147 1114 369 22 Telefonica del Peru S.A.A., PE 22884 1060 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 24863 1619 389 16 LINKdotNET-AS, EG 36992 1421 1519 283 ETISALAT-MISR, EG 24835 1389 593 29 RAYA-AS, EG 29571 1370 87 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 37342 516 32 1 MOVITEL, MZ 15399 507 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 11563 3237 537 UNINET, MX 16509 10970 11929 3870 AMAZON-02, US 9808 10085 8752 83 CHINAMOBILE-CN China Mobile Communication 12479 7638 1709 143 UNI2-AS, ES 7545 6062 840 653 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4720 289 58 ALJAWWALSTC-AS, SA 11492 4661 310 548 CABLEONE, US 174 4476 8756 836 COGENT-174, US 18403 4301 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 10085 10002 CHINAMOBILE-CN China Mobile Communications Grou 12479 7638 7495 UNI2-AS, ES 16509 10970 7100 AMAZON-02, US 7545 6062 5409 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4720 4662 ALJAWWALSTC-AS, SA 18403 4301 4278 FPT-AS-AP FPT Telecom Company, VN 11492 4661 4113 CABLEONE, US 7155 4163 4078 VIASAT-SP-BACKBONE, US 7552 3910 3885 VIETEL-AS-AP Viettel Group, VN 20940 3833 3708 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 23.128.92.0/24 Origin: 11655 YXEIX-SRV, CA 23.128.92.0/24 Transit: 399580 RADISHNETWORKS-NET-01, CA 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 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 /14:1169 /15:2054 /16:13115 /17:8132 /18:13608 /19:24237 /20:43492 /21:51643 /22:111330 /23:99479 /24:588130 /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 6686 7638 UNI2-AS, ES 8151 5752 11563 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 2547 3417 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2238 10970 AMAZON-02, US 30036 2191 2530 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2173 3543 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) ---------------------------------------------- 1:2267 2:1540 3:509 4:8 5:4436 6:169 7:6 8:1503 9:1 11:172 12:1420 13:371 14:2460 15:328 16:265 17:357 18:900 20:441 21:4 22:188 23:6915 24:2650 25:2 27:2651 29:19 31:2945 32:44 34:73 35:142 36:2357 37:4443 38:8806 39:917 40:153 41:4023 42:2047 43:2442 44:331 45:17693 46:4695 47:298 49:2006 50:1859 51:580 52:1581 54:311 55:953 56:8 57:223 58:2175 59:1203 60:1149 61:2769 62:2828 63:1841 64:5398 65:2276 66:4643 67:3007 68:1332 69:4007 70:1127 71:570 72:2852 74:2784 75:1631 76:636 77:2583 78:1869 79:1658 80:2191 81:2028 82:1785 83:1379 84:1750 85:3103 86:963 87:2157 88:1247 89:4363 90:700 91:8260 92:2610 93:2811 94:3817 95:4277 96:1264 97:314 98:1072 99:739 100:72 101:1163 102:3376 103:32277 104:4422 105:708 106:980 107:2396 108:1161 109:4060 110:2222 111:3303 112:2038 113:1746 114:1929 115:2123 116:1965 117:2707 118:2850 119:1981 120:1867 121:1349 122:2700 123:2144 124:1620 125:2825 126:64 128:1349 129:926 130:1237 131:1867 132:814 133:446 134:1522 135:315 136:1262 137:1089 138:2858 139:1539 140:1478 141:1562 142:1810 143:1617 144:1018 145:399 146:2094 147:2043 148:2540 149:2817 150:1126 151:1447 152:2105 153:499 154:6943 155:1543 156:2661 157:1839 158:1214 159:2428 160:3266 161:1739 162:3563 163:1760 164:1940 165:2135 166:1330 167:1846 168:4072 169:782 170:5000 171:996 172:3903 173:3126 174:909 175:1265 176:3486 177:4858 178:3641 179:2252 180:2504 181:3925 182:3315 183:2035 184:2272 185:21138 186:5013 187:4274 188:4222 189:4144 190:9573 191:1514 192:11164 193:9256 194:7606 195:5366 196:3211 197:3010 198:5900 199:8181 200:8024 201:6271 202:10253 203:10405 204:4637 205:3651 206:4573 207:3530 208:4204 209:5102 210:4507 211:2576 212:4518 213:3635 214:1046 215:48 216:6643 217:3036 218:1320 219:394 220:2080 221:1048 222:707 223:2295 End of report