IPv4 R&E Routing Table Report 23:05 GMT Mon 11 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: 958604 Prefixes after maximum aggregation (per Origin AS): 367088 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 469606 Number of IPv4 prefixes with a valid ROA: 508526 Number of IPv4 prefixes with an invalid ROA: 824 Number of IPv4 prefixes with no ROA: 449254 Total ASes present in the Internet Routing Table: 76234 Prefixes per ASN: 12.57 Origin-only ASes present in the Internet Routing Table: 65496 Origin ASes announcing only one prefix: 26843 Transit ASes present in the Internet Routing Table: 10738 Transit-only ASes present in the Internet Routing Table: 502 Paths with bogon ASNs present in the IPv4 Routing Table: 16 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: 1054 Number of instances of unregistered ASNs: 1067 Number of 32-bit ASNs allocated by the RIRs: 45830 Number of 32-bit ASNs visible in the Routing Table: 37332 Prefixes from 32-bit ASNs in the Routing Table: 194141 Number of bogon 32-bit ASNs visible in the Routing Table: 34 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 498 Number of addresses announced to Internet: 3027013376 Equivalent to 180 /8s, 108 /16s and 143 /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: 314372 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 252097 Total APNIC prefixes after maximum aggregation: 74986 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 244467 Unique aggregates announced from the APNIC address blocks: 101294 APNIC Region origin ASes present in the Internet Routing Table: 14351 APNIC Prefixes per ASN: 17.03 APNIC Region origin ASes announcing only one prefix: 4392 APNIC Region transit ASes present in the Internet Routing Table: 1899 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9848 Number of APNIC addresses announced to Internet: 755934208 Equivalent to 45 /8s, 14 /16s and 164 /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: 281511 Total ARIN prefixes after maximum aggregation: 126067 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 283832 Unique aggregates announced from the ARIN address blocks: 135779 ARIN Region origin ASes present in the Internet Routing Table: 19156 ARIN Prefixes per ASN: 14.82 ARIN Region origin ASes announcing only one prefix: 6973 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: 5049 Number of ARIN addresses announced to Internet: 1266849792 Equivalent to 75 /8s, 130 /16s and 152 /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: 268052 Total RIPE prefixes after maximum aggregation: 129840 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 265002 Unique aggregates announced from the RIPE address blocks: 169029 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: 12139 RIPE Region transit ASes present in the Internet Routing Table: 3924 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: 12094 Number of RIPE addresses announced to Internet: 722289408 Equivalent to 43 /8s, 13 /16s and 67 /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: 122691 Total LACNIC prefixes after maximum aggregation: 28959 LACNIC Deaggregation factor: 4.24 Prefixes being announced from the LACNIC address blocks: 120320 Unique aggregates announced from the LACNIC address blocks: 48690 LACNIC Region origin ASes present in the Internet Routing Table: 11161 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2642 LACNIC Region transit ASes present in the Internet Routing Table: 2471 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: 9073 Number of LACNIC addresses announced to Internet: 177437696 Equivalent to 10 /8s, 147 /16s and 124 /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: 33199 Total AfriNIC prefixes after maximum aggregation: 6593 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 44485 Unique aggregates announced from the AfriNIC address blocks: 14393 AfriNIC Region origin ASes present in the Internet Routing Table: 1907 AfriNIC Prefixes per ASN: 23.33 AfriNIC Region origin ASes announcing only one prefix: 697 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: 1268 Number of AfriNIC addresses announced to Internet: 104231168 Equivalent to 6 /8s, 54 /16s and 113 /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 10079 8752 84 CHINAMOBILE-CN China Mobile Communication 7545 6054 842 658 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4329 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3908 1331 25 VIETEL-AS-AP Viettel Group, VN 9498 3859 512 270 BBIL-AP BHARTI Airtel Ltd., IN 7713 3644 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3252 1869 102 VNPT-AS-VN VNPT Corp, VN 24560 2776 830 536 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2213 434 194 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 10920 12007 3888 AMAZON-02, US 11492 4661 310 548 CABLEONE, US 174 4500 8758 825 COGENT-174, US 7155 4163 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 3196 23668 2018 ATT-INTERNET4, US 396982 2870 3654 424 GOOGLE-CLOUD-PLATFORM, US 16625 2804 1224 2103 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 7628 1709 143 UNI2-AS, ES 39891 4720 289 58 ALJAWWALSTC-AS, SA 20940 3863 3395 126 AKAMAI-ASN1, NL 9009 3671 316 1865 M247, RO 12389 2944 2295 878 ROSTELECOM-AS, RU 34984 2340 359 577 TELLCOM-AS, TR 212238 1841 134 1361 CDNEXT, GB 13188 1606 100 30 TRIOLAN, UA 8452 1593 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 11458 3217 611 UNINET, MX 10620 3542 494 942 Telmex Colombia S.A., CO 13999 2540 532 360 Mega Cable, S.A. de C.V., MX 11830 2004 369 64 Instituto Costarricense de Electricidad y 28573 1338 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 1118 371 22 Telefonica del Peru S.A.A., PE 22884 1062 98 374 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1031 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 1669 593 29 RAYA-AS, EG 24863 1645 389 16 LINKdotNET-AS, EG 36992 1415 1516 289 ETISALAT-MISR, EG 29571 1383 87 59 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 1014 523 45 Vodafone-, EG 37069 720 1099 15 MOBINIL, EG 6713 556 1861 35 IAM-AS, MA 20011 544 138 318 INTERNET-SOLUTIONS, ZA 15399 511 56 57 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 11458 3217 611 UNINET, MX 16509 10920 12007 3888 AMAZON-02, US 9808 10079 8752 84 CHINAMOBILE-CN China Mobile Communication 12479 7628 1709 143 UNI2-AS, ES 7545 6054 842 658 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4720 289 58 ALJAWWALSTC-AS, SA 11492 4661 310 548 CABLEONE, US 174 4500 8758 825 COGENT-174, US 18403 4329 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 10079 9995 CHINAMOBILE-CN China Mobile Communications Grou 12479 7628 7485 UNI2-AS, ES 16509 10920 7032 AMAZON-02, US 7545 6054 5396 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4720 4662 ALJAWWALSTC-AS, SA 18403 4329 4306 FPT-AS-AP FPT Telecom Company, VN 11492 4661 4113 CABLEONE, US 7155 4163 4078 VIASAT-SP-BACKBONE, US 7552 3908 3883 VIETEL-AS-AP Viettel Group, VN 20940 3863 3737 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 23.139.88.0/24 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 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 /13:574 /14:1170 /15:2053 /16:13116 /17:8140 /18:13620 /19:24229 /20:43744 /21:51607 /22:111655 /23:99313 /24:588929 /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 6663 7628 UNI2-AS, ES 8151 5660 11458 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 2541 3410 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2232 10920 AMAZON-02, US 30036 2197 2537 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2172 3542 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) ---------------------------------------------- 1:2277 2:1547 3:506 4:8 5:4473 6:169 7:6 8:1492 9:1 11:172 12:1423 13:356 14:2458 15:329 16:269 17:360 18:899 20:442 21:4 22:188 23:6946 24:2656 25:2 27:2647 29:19 31:2983 32:44 34:73 35:144 36:2362 37:4422 38:8844 39:919 40:153 41:4110 42:2043 43:2445 44:336 45:17685 46:4735 47:298 49:2009 50:1844 51:582 52:1576 54:316 55:897 56:8 57:223 58:2174 59:1204 60:1149 61:2767 62:2813 63:1840 64:5405 65:2271 66:4627 67:3005 68:1318 69:3995 70:1123 71:572 72:2854 74:2784 75:1629 76:634 77:2576 78:1877 79:1664 80:2189 81:2022 82:1781 83:1381 84:1751 85:3104 86:963 87:2162 88:1253 89:4384 90:695 91:8236 92:2600 93:2778 94:3837 95:4259 96:1248 97:314 98:1068 99:739 100:72 101:1405 102:3401 103:32195 104:4418 105:731 106:984 107:2399 108:1170 109:4044 110:2226 111:3262 112:2039 113:1773 114:1933 115:2102 116:1965 117:2690 118:2862 119:1978 120:1870 121:1346 122:2698 123:2149 124:1616 125:2825 126:62 128:1378 129:923 130:1247 131:1878 132:808 133:446 134:1525 135:318 136:1258 137:1090 138:2860 139:1537 140:1478 141:1453 142:1810 143:1591 144:1023 145:401 146:2104 147:2049 148:2554 149:2814 150:1137 151:1459 152:2101 153:498 154:7183 155:1554 156:2815 157:1838 158:1220 159:2427 160:3313 161:1725 162:3573 163:1746 164:1938 165:2131 166:1333 167:1852 168:4088 169:777 170:4991 171:994 172:3915 173:3130 174:919 175:1266 176:3486 177:4871 178:3697 179:2213 180:2503 181:3915 182:3338 183:2028 184:2267 185:21183 186:5019 187:4262 188:4212 189:4113 190:9580 191:1512 192:11172 193:9245 194:7601 195:5381 196:3231 197:3067 198:5898 199:8198 200:8066 201:6323 202:10211 203:10394 204:4640 205:3642 206:4563 207:3495 208:4218 209:5091 210:4499 211:2570 212:4529 213:3633 214:1051 215:47 216:6611 217:3067 218:1321 219:396 220:2076 221:1051 222:710 223:2305 End of report