IPv4 R&E Routing Table Report 23:05 GMT Mon 18 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: 959450 Prefixes after maximum aggregation (per Origin AS): 367286 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 470230 Number of IPv4 prefixes with a valid ROA: 509387 Number of IPv4 prefixes with an invalid ROA: 1094 Number of IPv4 prefixes with no ROA: 448969 Total ASes present in the Internet Routing Table: 76250 Prefixes per ASN: 12.58 Origin-only ASes present in the Internet Routing Table: 65516 Origin ASes announcing only one prefix: 26832 Transit ASes present in the Internet Routing Table: 10734 Transit-only ASes present in the Internet Routing Table: 505 Paths with bogon ASNs present in the IPv4 Routing Table: 20 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: 1052 Number of instances of unregistered ASNs: 1065 Number of 32-bit ASNs allocated by the RIRs: 45857 Number of 32-bit ASNs visible in the Routing Table: 37372 Prefixes from 32-bit ASNs in the Routing Table: 194294 Number of bogon 32-bit ASNs visible in the Routing Table: 37 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 495 Number of addresses announced to Internet: 3026977536 Equivalent to 180 /8s, 108 /16s and 3 /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: 314725 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 252406 Total APNIC prefixes after maximum aggregation: 75085 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 244764 Unique aggregates announced from the APNIC address blocks: 101376 APNIC Region origin ASes present in the Internet Routing Table: 14357 APNIC Prefixes per ASN: 17.05 APNIC Region origin ASes announcing only one prefix: 4388 APNIC Region transit ASes present in the Internet Routing Table: 1901 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9856 Number of APNIC addresses announced to Internet: 755969536 Equivalent to 45 /8s, 15 /16s and 46 /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: 281802 Total ARIN prefixes after maximum aggregation: 126053 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 284152 Unique aggregates announced from the ARIN address blocks: 136012 ARIN Region origin ASes present in the Internet Routing Table: 19156 ARIN Prefixes per ASN: 14.83 ARIN Region origin ASes announcing only one prefix: 6980 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: 5058 Number of ARIN addresses announced to Internet: 1267092736 Equivalent to 75 /8s, 134 /16s and 77 /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: 268156 Total RIPE prefixes after maximum aggregation: 129897 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 265080 Unique aggregates announced from the RIPE address blocks: 169183 RIPE Region origin ASes present in the Internet Routing Table: 28779 RIPE Prefixes per ASN: 9.21 RIPE Region origin ASes announcing only one prefix: 12126 RIPE Region transit ASes present in the Internet Routing Table: 3927 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12113 Number of RIPE addresses announced to Internet: 722002176 Equivalent to 43 /8s, 8 /16s and 225 /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: 122565 Total LACNIC prefixes after maximum aggregation: 28984 LACNIC Deaggregation factor: 4.23 Prefixes being announced from the LACNIC address blocks: 120150 Unique aggregates announced from the LACNIC address blocks: 48730 LACNIC Region origin ASes present in the Internet Routing Table: 11164 LACNIC Prefixes per ASN: 10.76 LACNIC Region origin ASes announcing only one prefix: 2641 LACNIC Region transit ASes present in the Internet Routing Table: 2466 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: 9079 Number of LACNIC addresses announced to Internet: 177408768 Equivalent to 10 /8s, 147 /16s and 11 /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: 33469 Total AfriNIC prefixes after maximum aggregation: 6614 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 44809 Unique aggregates announced from the AfriNIC address blocks: 14509 AfriNIC Region origin ASes present in the Internet Routing Table: 1908 AfriNIC Prefixes per ASN: 23.48 AfriNIC Region origin ASes announcing only one prefix: 697 AfriNIC Region transit ASes present in the Internet Routing Table: 361 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: 1266 Number of AfriNIC addresses announced to Internet: 104236032 Equivalent to 6 /8s, 54 /16s and 132 /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 10038 8752 84 CHINAMOBILE-CN China Mobile Communication 7545 6095 842 659 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4395 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3908 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3895 514 279 BBIL-AP BHARTI Airtel Ltd., IN 7713 3673 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3247 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2791 832 542 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 11003 11956 3862 AMAZON-02, US 11492 4673 310 553 CABLEONE, US 174 4607 8765 877 COGENT-174, US 7155 4168 287 85 VIASAT-SP-BACKBONE, US 6327 3605 1320 79 SHAW, CA 22773 3410 3037 186 ASN-CXA-ALL-CCI-22773-RDC, US 749 3262 54895 2509 DNIC-AS-00749, US 7018 3209 23662 2032 ATT-INTERNET4, US 396982 2880 3655 430 GOOGLE-CLOUD-PLATFORM, US 16625 2802 1221 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 7629 1709 143 UNI2-AS, ES 39891 4732 289 60 ALJAWWALSTC-AS, SA 20940 3871 3395 126 AKAMAI-ASN1, NL 9009 3668 316 1859 M247, RO 12389 2949 2295 875 ROSTELECOM-AS, RU 34984 2341 359 578 TELLCOM-AS, TR 212238 1842 134 1362 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1603 1852 14 TE-AS TE-AS, EG 8551 1474 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 11448 3216 613 UNINET, MX 10620 3543 494 943 Telmex Colombia S.A., CO 13999 2538 535 368 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad y 28573 1333 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1325 782 200 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1155 374 163 Axtel, S.A.B. de C.V., MX 6147 1120 371 22 Telefonica del Peru S.A.A., PE 22884 1063 98 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1008 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 1659 593 29 RAYA-AS, EG 24863 1648 389 16 LINKdotNET-AS, EG 36992 1420 1518 288 ETISALAT-MISR, EG 29571 1395 88 59 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 1015 523 46 Vodafone-, EG 37069 712 1099 15 MOBINIL, EG 20011 565 139 330 INTERNET-SOLUTIONS, ZA 6713 556 1861 35 IAM-AS, MA 36914 547 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 11448 3216 613 UNINET, MX 16509 11003 11956 3862 AMAZON-02, US 9808 10038 8752 84 CHINAMOBILE-CN China Mobile Communication 12479 7629 1709 143 UNI2-AS, ES 7545 6095 842 659 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4732 289 60 ALJAWWALSTC-AS, SA 11492 4673 310 553 CABLEONE, US 174 4607 8765 877 COGENT-174, US 18403 4395 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 10038 9954 CHINAMOBILE-CN China Mobile Communications Grou 12479 7629 7486 UNI2-AS, ES 16509 11003 7141 AMAZON-02, US 7545 6095 5436 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4732 4672 ALJAWWALSTC-AS, SA 18403 4395 4372 FPT-AS-AP FPT Telecom Company, VN 11492 4673 4120 CABLEONE, US 7155 4168 4083 VIASAT-SP-BACKBONE, US 7552 3908 3883 VIETEL-AS-AP Viettel Group, VN 20940 3871 3745 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 23.139.88.0/24 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 /14:1168 /15:2054 /16:13124 /17:8153 /18:13566 /19:24142 /20:43740 /21:51678 /22:111655 /23:99464 /24:589678 /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 6659 7629 UNI2-AS, ES 8151 5654 11448 UNINET, MX 11492 3555 4673 CABLEONE, US 39891 3424 4732 ALJAWWALSTC-AS, SA 6327 3400 3605 SHAW, CA 7155 3112 4168 VIASAT-SP-BACKBONE, US 22773 2541 3410 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2241 11003 AMAZON-02, US 30036 2197 2537 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) ---------------------------------------------- 1:2278 2:1539 3:515 4:8 5:4436 6:167 7:6 8:1493 9:1 11:172 12:1414 13:362 14:2463 15:334 16:269 17:357 18:909 20:443 21:4 22:188 23:6989 24:2647 25:2 27:2649 29:19 31:3009 32:37 34:73 35:161 36:2367 37:4470 38:8902 39:920 40:149 41:4164 42:2075 43:2448 44:337 45:17665 46:4749 47:298 49:2006 50:1841 51:583 52:1575 54:316 55:976 56:8 57:229 58:2174 59:1205 60:1150 61:2783 62:2818 63:1842 64:5393 65:2266 66:4619 67:2996 68:1314 69:3982 70:1122 71:582 72:2857 74:2784 75:1629 76:635 77:2572 78:1877 79:1665 80:2194 81:2035 82:1763 83:1387 84:1751 85:3101 86:959 87:2155 88:1253 89:4382 90:706 91:8238 92:2597 93:2822 94:3840 95:4212 96:1245 97:313 98:1069 99:735 100:72 101:1412 102:3417 103:32230 104:4429 105:735 106:982 107:2401 108:1170 109:4065 110:2226 111:3258 112:2042 113:1781 114:1936 115:2109 116:1969 117:2701 118:2865 119:1970 120:1834 121:1354 122:2694 123:2149 124:1613 125:2836 126:62 128:1403 129:931 130:1247 131:1883 132:808 133:446 134:1523 135:318 136:1261 137:1092 138:2883 139:1537 140:1477 141:1448 142:1822 143:1611 144:1025 145:397 146:2091 147:2052 148:2557 149:2809 150:1146 151:1460 152:2106 153:499 154:7274 155:1562 156:2821 157:1836 158:1224 159:2431 160:3313 161:1736 162:3565 163:1757 164:1939 165:2137 166:1331 167:1852 168:4090 169:798 170:5002 171:994 172:3912 173:3129 174:919 175:1274 176:3525 177:4803 178:3686 179:2233 180:2539 181:3939 182:3351 183:2050 184:2269 185:21227 186:4994 187:4227 188:4202 189:4105 190:9596 191:1501 192:11151 193:9247 194:7615 195:5375 196:3209 197:3230 198:5888 199:8199 200:7994 201:6310 202:10229 203:10419 204:4598 205:3628 206:4596 207:3496 208:4226 209:5083 210:4514 211:2520 212:4529 213:3683 214:1047 215:47 216:6598 217:3066 218:1322 219:395 220:2091 221:1051 222:710 223:2281 End of report