IPv4 R&E Routing Table Report 23:05 GMT Sun 30 Jun, 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: 945674 Prefixes after maximum aggregation (per Origin AS): 361892 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 464770 Number of IPv4 prefixes with a valid ROA: 482929 Number of IPv4 prefixes with an invalid ROA: 1164 Number of IPv4 prefixes with no ROA: 461581 Total ASes present in the Internet Routing Table: 75698 Prefixes per ASN: 12.49 Origin-only ASes present in the Internet Routing Table: 65019 Origin ASes announcing only one prefix: 26652 Transit ASes present in the Internet Routing Table: 10679 Transit-only ASes present in the Internet Routing Table: 514 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: 106 Max AS path prepend of ASN (269289) 101 Prefixes from unregistered ASNs in the Routing Table: 1003 Number of instances of unregistered ASNs: 1006 Number of 32-bit ASNs allocated by the RIRs: 44927 Number of 32-bit ASNs visible in the Routing Table: 36571 Prefixes from 32-bit ASNs in the Routing Table: 187356 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 535 Number of addresses announced to Internet: 3024009728 Equivalent to 180 /8s, 62 /16s and 186 /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: 310979 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249176 Total APNIC prefixes after maximum aggregation: 73432 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 241201 Unique aggregates announced from the APNIC address blocks: 100937 APNIC Region origin ASes present in the Internet Routing Table: 14118 APNIC Prefixes per ASN: 17.08 APNIC Region origin ASes announcing only one prefix: 4294 APNIC Region transit ASes present in the Internet Routing Table: 1869 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 31 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9590 Number of APNIC addresses announced to Internet: 761037056 Equivalent to 45 /8s, 92 /16s and 129 /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: 276274 Total ARIN prefixes after maximum aggregation: 125099 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 280869 Unique aggregates announced from the ARIN address blocks: 134643 ARIN Region origin ASes present in the Internet Routing Table: 19093 ARIN Prefixes per ASN: 14.71 ARIN Region origin ASes announcing only one prefix: 6954 ARIN Region transit ASes present in the Internet Routing Table: 1932 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: 4922 Number of ARIN addresses announced to Internet: 1266564352 Equivalent to 75 /8s, 126 /16s and 61 /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: 265466 Total RIPE prefixes after maximum aggregation: 127443 RIPE Deaggregation factor: 2.08 Prefixes being announced from the RIPE address blocks: 260216 Unique aggregates announced from the RIPE address blocks: 165018 RIPE Region origin ASes present in the Internet Routing Table: 28621 RIPE Prefixes per ASN: 9.09 RIPE Region origin ASes announcing only one prefix: 12118 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: 41 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11850 Number of RIPE addresses announced to Internet: 713640192 Equivalent to 42 /8s, 137 /16s and 73 /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: 121858 Total LACNIC prefixes after maximum aggregation: 29039 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 119948 Unique aggregates announced from the LACNIC address blocks: 50037 LACNIC Region origin ASes present in the Internet Routing Table: 11112 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2630 LACNIC Region transit ASes present in the Internet Routing Table: 2422 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 106 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8998 Number of LACNIC addresses announced to Internet: 176782848 Equivalent to 10 /8s, 137 /16s and 126 /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: 31897 Total AfriNIC prefixes after maximum aggregation: 6207 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 42905 Unique aggregates announced from the AfriNIC address blocks: 13691 AfriNIC Region origin ASes present in the Internet Routing Table: 1847 AfriNIC Prefixes per ASN: 23.23 AfriNIC Region origin ASes announcing only one prefix: 656 AfriNIC Region transit ASes present in the Internet Routing Table: 352 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1211 Number of AfriNIC addresses announced to Internet: 105687808 Equivalent to 6 /8s, 76 /16s and 171 /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 9840 8745 72 CHINAMOBILE-CN China Mobile Communicati 7545 5642 776 669 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4249 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3954 1331 21 VIETEL-AS-AP Viettel Group, VN 9498 3784 511 264 BBIL-AP BHARTI Airtel Ltd., IN 7713 3640 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3265 1841 105 VNPT-AS-VN VNPT Corp, VN 24560 2824 862 401 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2201 420 209 TATACOMM-AS TATA Communications formerl 45090 2150 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 10099 11529 3677 AMAZON-02, US 11492 4641 308 547 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 174 3692 8790 895 COGENT-174, US 6327 3594 1320 79 SHAW, CA 22773 3442 3021 210 ASN-CXA-ALL-CCI-22773-RDC, US 749 3249 54901 2501 DNIC-AS-00749, US 16625 3033 1314 2197 AKAMAI-AS, US 7018 2909 23670 1831 ATT-INTERNET4, US 396982 2766 3611 414 GOOGLE-CLOUD-PLATFORM, 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 7711 1708 145 UNI2-AS, ES 39891 4758 286 60 ALJAWWALSTC-AS, SA 20940 3800 3396 130 AKAMAI-ASN1, NL 9009 3595 306 1819 M247, RO 12389 2871 2292 861 ROSTELECOM-AS, RU 34984 2347 361 579 TELLCOM-AS, TR 8551 1777 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 212238 1708 123 1240 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1571 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 11870 3311 508 UNINET, MX 10620 3518 492 938 Telmex Colombia S.A., CO 13999 2553 357 677 Mega Cable, S.A. de C.V., MX 11830 2003 369 64 Instituto Costarricense de Electricidad 28573 1343 2311 258 Claro NXT Telecomunicacoes Ltda, BR 3816 1315 775 191 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1128 314 478 Axtel, S.A.B. de C.V., MX 6147 1092 369 22 Telefonica del Peru S.A.A., PE 26615 1081 2503 53 TIM SA, BR 22884 1062 97 366 TOTAL PLAY TELECOMUNICACIONES SA DE CV, 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 1621 389 16 LINKdotNET-AS, EG 24835 1570 593 29 RAYA-AS, EG 36992 1380 1520 283 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1235 78 74 ORANGE-COTE-IVOIRE, CI 36935 940 521 43 Vodafone-, EG 6713 556 1861 35 IAM-AS, MA 36914 539 82 3 KENET-AS, KE 15399 518 56 56 WANANCHI-, KE 37342 478 32 1 MOVITEL, MZ 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 11870 3311 508 UNINET, MX 16509 10099 11529 3677 AMAZON-02, US 9808 9840 8745 72 CHINAMOBILE-CN China Mobile Communicati 12479 7711 1708 145 UNI2-AS, ES 7545 5642 776 669 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 286 60 ALJAWWALSTC-AS, SA 11492 4641 308 547 CABLEONE, US 18403 4249 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3954 1331 21 VIETEL-AS-AP Viettel Group, VN 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 9840 9768 CHINAMOBILE-CN China Mobile Communications Grou 12479 7711 7566 UNI2-AS, ES 16509 10099 6422 AMAZON-02, US 7545 5642 4973 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4758 4698 ALJAWWALSTC-AS, SA 18403 4249 4226 FPT-AS-AP FPT Telecom Company, VN 11492 4641 4094 CABLEONE, US 7155 4166 4078 VIASAT-SP-BACKBONE, US 7552 3954 3933 VIETEL-AS-AP Viettel Group, VN 20940 3800 3670 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-DDOS-M 40493 UNALLOCATED 8.17.26.0/24 17054 EXPEDIENT, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, 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 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 BTN-ASN, 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 23.170.224.0/24 Origin: 30168 RESERVED, ZZ 23.170.224.0/24 Transit: 397095 SETSONLLC, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, 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 /9:14 /10:36 /11:93 /12:296 /13:569 /14:1170 /15:2056 /16:13208 /17:8145 /18:13601 /19:24347 /20:43139 /21:51186 /22:110711 /23:99039 /24:578040 /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 6799 7711 UNI2-AS, ES 8151 5941 11870 UNINET, MX 11492 3548 4641 CABLEONE, US 39891 3440 4758 ALJAWWALSTC-AS, SA 6327 3390 3594 SHAW, CA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2557 3442 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2149 2489 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2147 3518 Telmex Colombia S.A., CO 16509 2124 10099 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2299 2:1500 3:362 4:6 5:4350 6:164 7:6 8:1507 9:1 11:172 12:1446 13:359 14:2364 15:318 16:219 17:367 18:769 20:387 21:4 22:188 23:6862 24:2719 25:2 27:2567 29:19 31:2576 32:45 34:65 35:134 36:2339 37:4474 38:7958 39:899 40:146 41:4086 42:2008 43:2349 44:322 45:17272 46:4500 47:302 49:1957 50:1882 51:582 52:1583 54:313 55:919 56:8 57:212 58:2090 59:1193 60:1039 61:2622 62:2741 63:1878 64:5489 65:2306 66:4596 67:2990 68:1298 69:4052 70:1173 71:577 72:2877 74:2588 75:1550 76:621 77:2495 78:1856 79:1785 80:2192 81:2014 82:1643 83:1350 84:1680 85:3179 86:911 87:2034 88:1224 89:4160 90:683 91:8145 92:2330 93:2700 94:3711 95:4201 96:1287 97:317 98:1027 99:739 100:73 101:1165 102:3511 103:32229 104:4778 105:703 106:992 107:2498 108:1145 109:4013 110:2126 111:3250 112:2041 113:1812 114:1816 115:2075 116:1873 117:2657 118:2803 119:1966 120:1778 121:1300 122:2687 123:2209 124:1610 125:2851 126:32 128:1386 129:919 130:1159 131:1862 132:808 133:413 134:1732 135:320 136:1122 137:1052 138:2857 139:1518 140:1408 141:1378 142:1665 143:1560 144:994 145:370 146:2078 147:1975 148:2538 149:2726 150:1034 151:1370 152:2219 153:520 154:6980 155:1493 156:2287 157:1873 158:1154 159:2318 160:2756 161:1692 162:3530 163:1694 164:1664 165:2145 166:1271 167:1811 168:4042 169:789 170:4950 171:1029 172:3867 173:3043 174:888 175:1238 176:3453 177:4828 178:3677 179:2244 180:2410 181:3781 182:3344 183:1985 184:2252 185:20836 186:5001 187:4442 188:4054 189:4177 190:9458 191:1473 192:11019 193:9138 194:7497 195:5297 196:3193 197:2728 198:5907 199:7940 200:8088 201:6329 202:10175 203:10169 204:4548 205:3639 206:4429 207:3492 208:4146 209:4998 210:4396 211:2529 212:4337 213:3560 214:1054 215:48 216:6741 217:3052 218:1288 219:417 220:1806 221:1037 222:686 223:2221 End of report