IPv4 R&E Routing Table Report 23:05 GMT Tue 03 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: 949644 Prefixes after maximum aggregation (per Origin AS): 364561 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 466474 Number of IPv4 prefixes with a valid ROA: 495196 Number of IPv4 prefixes with an invalid ROA: 1139 Number of IPv4 prefixes with no ROA: 453309 Total ASes present in the Internet Routing Table: 75932 Prefixes per ASN: 12.51 Origin-only ASes present in the Internet Routing Table: 65216 Origin ASes announcing only one prefix: 26776 Transit ASes present in the Internet Routing Table: 10716 Transit-only ASes present in the Internet Routing Table: 516 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: 985 Number of instances of unregistered ASNs: 992 Number of 32-bit ASNs allocated by the RIRs: 45298 Number of 32-bit ASNs visible in the Routing Table: 36938 Prefixes from 32-bit ASNs in the Routing Table: 191096 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: 608 Number of addresses announced to Internet: 3033379584 Equivalent to 180 /8s, 205 /16s and 179 /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: 312094 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 251025 Total APNIC prefixes after maximum aggregation: 74799 APNIC Deaggregation factor: 3.36 Prefixes being announced from the APNIC address blocks: 242876 Unique aggregates announced from the APNIC address blocks: 100741 APNIC Region origin ASes present in the Internet Routing Table: 14251 APNIC Prefixes per ASN: 17.04 APNIC Region origin ASes announcing only one prefix: 4343 APNIC Region transit ASes present in the Internet Routing Table: 1892 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: 9719 Number of APNIC addresses announced to Internet: 761299968 Equivalent to 45 /8s, 96 /16s and 132 /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: 277800 Total ARIN prefixes after maximum aggregation: 125543 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 281789 Unique aggregates announced from the ARIN address blocks: 134768 ARIN Region origin ASes present in the Internet Routing Table: 19090 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: 1900 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: 4966 Number of ARIN addresses announced to Internet: 1266506752 Equivalent to 75 /8s, 125 /16s and 92 /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: 265942 Total RIPE prefixes after maximum aggregation: 128286 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 261941 Unique aggregates announced from the RIPE address blocks: 166430 RIPE Region origin ASes present in the Internet Routing Table: 28679 RIPE Prefixes per ASN: 9.13 RIPE Region origin ASes announcing only one prefix: 12095 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: 11960 Number of RIPE addresses announced to Internet: 723779584 Equivalent to 43 /8s, 36 /16s and 0 /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: 121768 Total LACNIC prefixes after maximum aggregation: 28912 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 119643 Unique aggregates announced from the LACNIC address blocks: 49778 LACNIC Region origin ASes present in the Internet Routing Table: 11146 LACNIC Prefixes per ASN: 10.73 LACNIC Region origin ASes announcing only one prefix: 2697 LACNIC Region transit ASes present in the Internet Routing Table: 2457 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: 9054 Number of LACNIC addresses announced to Internet: 177176320 Equivalent to 10 /8s, 143 /16s and 127 /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: 32124 Total AfriNIC prefixes after maximum aggregation: 6388 AfriNIC Deaggregation factor: 5.03 Prefixes being announced from the AfriNIC address blocks: 42787 Unique aggregates announced from the AfriNIC address blocks: 14241 AfriNIC Region origin ASes present in the Internet Routing Table: 1873 AfriNIC Prefixes per ASN: 22.84 AfriNIC Region origin ASes announcing only one prefix: 686 AfriNIC Region transit ASes present in the Internet Routing Table: 360 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: 1239 Number of AfriNIC addresses announced to Internet: 104292352 Equivalent to 6 /8s, 55 /16s and 96 /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 9896 8746 75 CHINAMOBILE-CN China Mobile Communication 7545 5698 837 658 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4289 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3935 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 2207 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 10625 11797 3752 AMAZON-02, US 11492 4629 308 547 CABLEONE, US 7155 4169 287 89 VIASAT-SP-BACKBONE, US 174 3956 8781 909 COGENT-174, US 6327 3602 1320 79 SHAW, CA 22773 3419 3037 186 ASN-CXA-ALL-CCI-22773-RDC, US 749 3243 54889 2495 DNIC-AS-00749, US 7018 2944 23674 1853 ATT-INTERNET4, US 396982 2798 3568 427 GOOGLE-CLOUD-PLATFORM, US 16625 2797 1239 2101 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 7651 1708 145 UNI2-AS, ES 39891 4466 269 55 ALJAWWALSTC-AS, SA 20940 3798 3395 126 AKAMAI-ASN1, NL 9009 3666 312 1857 M247, RO 12389 2855 2287 857 ROSTELECOM-AS, RU 34984 2332 359 583 TELLCOM-AS, TR 212238 1787 128 1316 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 11763 3277 519 UNINET, MX 10620 3540 494 933 Telmex Colombia S.A., CO 13999 2514 353 674 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 1315 773 206 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1149 374 163 Axtel, S.A.B. de C.V., MX 6147 1087 369 22 Telefonica del Peru S.A.A., PE 22884 1069 98 371 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 1608 389 16 LINKdotNET-AS, EG 36992 1411 1519 282 ETISALAT-MISR, EG 29571 1334 84 68 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 948 523 48 Vodafone-, EG 6713 557 1861 35 IAM-AS, MA 36914 546 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 11763 3277 519 UNINET, MX 16509 10625 11797 3752 AMAZON-02, US 9808 9896 8746 75 CHINAMOBILE-CN China Mobile Communication 12479 7651 1708 145 UNI2-AS, ES 7545 5698 837 658 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4629 308 547 CABLEONE, US 39891 4466 269 55 ALJAWWALSTC-AS, SA 18403 4289 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4169 287 89 VIASAT-SP-BACKBONE, US 174 3956 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 9896 9821 CHINAMOBILE-CN China Mobile Communications Grou 12479 7651 7506 UNI2-AS, ES 16509 10625 6873 AMAZON-02, US 7545 5698 5040 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4466 4411 ALJAWWALSTC-AS, SA 18403 4289 4266 FPT-AS-AP FPT Telecom Company, VN 11492 4629 4082 CABLEONE, US 7155 4169 4080 VIASAT-SP-BACKBONE, US 7552 3935 3915 VIETEL-AS-AP Viettel Group, VN 20940 3798 3672 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 /16:13160 /17:8133 /18:13601 /19:24332 /20:43150 /21:51260 /22:111044 /23:99358 /24:581346 /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 6705 7651 UNI2-AS, ES 8151 5902 11763 UNINET, MX 11492 3540 4629 CABLEONE, US 6327 3397 3602 SHAW, CA 39891 3356 4466 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 2157 2495 MEDIACOM-ENTERPRISE-BUSINESS, US 16509 2139 10625 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2282 2:1504 3:449 4:6 5:4427 6:161 7:6 8:1513 9:1 11:172 12:1429 13:361 14:2368 15:327 16:259 17:360 18:876 20:408 21:4 22:188 23:6748 24:2679 25:2 27:2611 29:19 31:2671 32:44 34:68 35:138 36:2350 37:4505 38:8422 39:919 40:150 41:4092 42:1985 43:2408 44:333 45:17431 46:4653 47:299 49:1997 50:1860 51:574 52:1578 54:318 55:954 56:8 57:213 58:2159 59:1203 60:1064 61:2749 62:2775 63:1854 64:5455 65:2283 66:4601 67:3029 68:1338 69:4003 70:1145 71:559 72:2855 74:2675 75:1562 76:621 77:2507 78:1851 79:1771 80:2193 81:2009 82:1675 83:1365 84:1722 85:3170 86:965 87:2024 88:1248 89:4260 90:684 91:8197 92:2438 93:2731 94:3748 95:4264 96:1275 97:316 98:1066 99:736 100:73 101:1156 102:3367 103:32298 104:4373 105:701 106:982 107:2373 108:1158 109:4052 110:2134 111:3227 112:2048 113:1803 114:1857 115:2037 116:1953 117:2669 118:2863 119:1986 120:1797 121:1351 122:2691 123:2127 124:1608 125:2825 126:64 128:1360 129:932 130:1203 131:1854 132:800 133:428 134:1498 135:310 136:1176 137:1061 138:2852 139:1530 140:1452 141:1446 142:1691 143:1619 144:1027 145:370 146:2082 147:2027 148:2543 149:2797 150:1067 151:1358 152:2091 153:500 154:6493 155:1437 156:2443 157:1798 158:1175 159:2425 160:3045 161:1709 162:3542 163:1741 164:1686 165:2139 166:1300 167:1848 168:4013 169:799 170:4971 171:1035 172:3884 173:3076 174:902 175:1250 176:3440 177:4774 178:3590 179:2200 180:2455 181:3887 182:3320 183:2015 184:2259 185:20984 186:4974 187:4311 188:4091 189:4168 190:9538 191:1503 192:11032 193:9229 194:7511 195:5342 196:3218 197:2989 198:5896 199:8077 200:7984 201:6281 202:10207 203:10338 204:4562 205:3657 206:4485 207:3522 208:4168 209:5055 210:4495 211:2550 212:4399 213:3681 214:1063 215:49 216:6735 217:2948 218:1333 219:379 220:2033 221:1048 222:705 223:2233 End of report