IPv4 R&E Routing Table Report 23:05 GMT Thu 28 Dec, 2023 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: 930566 Prefixes after maximum aggregation (per Origin AS): 356149 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 456005 Number of IPv4 prefixes with a valid ROA: 434389 Number of IPv4 prefixes with an invalid ROA: 787 Number of IPv4 prefixes with no ROA: 495390 Total ASes present in the Internet Routing Table: 74983 Prefixes per ASN: 12.41 Origin-only ASes present in the Internet Routing Table: 64600 Origin ASes announcing only one prefix: 26547 Transit ASes present in the Internet Routing Table: 10383 Transit-only ASes present in the Internet Routing Table: 450 Paths with bogon ASNs present in the IPv4 Routing Table: 5 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 44 Prefixes from unregistered ASNs in the Routing Table: 1007 Number of instances of unregistered ASNs: 1009 Number of 32-bit ASNs allocated by the RIRs: 43276 Number of 32-bit ASNs visible in the Routing Table: 35534 Prefixes from 32-bit ASNs in the Routing Table: 178364 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: 504 Number of addresses announced to Internet: 3044380416 Equivalent to 181 /8s, 117 /16s and 143 /24s Percentage of available address space announced: 82.2 Percentage of allocated address space announced: 82.2 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: 309795 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 244609 Total APNIC prefixes after maximum aggregation: 71528 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 237761 Unique aggregates announced from the APNIC address blocks: 99456 APNIC Region origin ASes present in the Internet Routing Table: 13769 APNIC Prefixes per ASN: 17.27 APNIC Region origin ASes announcing only one prefix: 4141 APNIC Region transit ASes present in the Internet Routing Table: 1839 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9176 Number of APNIC addresses announced to Internet: 770453760 Equivalent to 45 /8s, 236 /16s and 49 /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: 272905 Total ARIN prefixes after maximum aggregation: 124260 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 277647 Unique aggregates announced from the ARIN address blocks: 133018 ARIN Region origin ASes present in the Internet Routing Table: 19034 ARIN Prefixes per ASN: 14.59 ARIN Region origin ASes announcing only one prefix: 6963 ARIN Region transit ASes present in the Internet Routing Table: 1840 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: 4823 Number of ARIN addresses announced to Internet: 1273259520 Equivalent to 75 /8s, 228 /16s and 102 /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, 393216-401308 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: 261926 Total RIPE prefixes after maximum aggregation: 125022 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256504 Unique aggregates announced from the RIPE address blocks: 160930 RIPE Region origin ASes present in the Internet Routing Table: 28483 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12117 RIPE Region transit ASes present in the Internet Routing Table: 3869 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11482 Number of RIPE addresses announced to Internet: 714346240 Equivalent to 42 /8s, 148 /16s and 15 /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: 119759 Total LACNIC prefixes after maximum aggregation: 28610 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 118423 Unique aggregates announced from the LACNIC address blocks: 49387 LACNIC Region origin ASes present in the Internet Routing Table: 11046 LACNIC Prefixes per ASN: 10.72 LACNIC Region origin ASes announcing only one prefix: 2678 LACNIC Region transit ASes present in the Internet Routing Table: 2343 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8896 Number of LACNIC addresses announced to Internet: 178284288 Equivalent to 10 /8s, 160 /16s and 103 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 30360 Total AfriNIC prefixes after maximum aggregation: 6024 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 39727 Unique aggregates announced from the AfriNIC address blocks: 12796 AfriNIC Region origin ASes present in the Internet Routing Table: 1814 AfriNIC Prefixes per ASN: 21.90 AfriNIC Region origin ASes announcing only one prefix: 648 AfriNIC Region transit ASes present in the Internet Routing Table: 344 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1157 Number of AfriNIC addresses announced to Internet: 107744512 Equivalent to 6 /8s, 108 /16s and 13 /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 9778 8738 50 CHINAMOBILE-CN China Mobile Communicati 7545 5675 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4538 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3838 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3594 1043 64 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3410 494 251 BBIL-AP BHARTI Airtel Ltd., IN 45899 3269 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2661 857 370 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2189 442 200 TATACOMM-AS TATA Communications formerl 4766 2168 11257 582 KIXS-AS-KR Korea Telecom, KR 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 9459 11200 3351 AMAZON-02, US 11492 4562 303 680 CABLEONE, US 7155 4164 288 96 VIASAT-SP-BACKBONE, US 6327 3566 1320 69 SHAW, CA 22773 3490 3033 287 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3185 1411 2317 AKAMAI-AS, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2971 3844 1418 DNIC-ASBLK-00306-00371, US 396982 2740 3639 386 GOOGLE-CLOUD-PLATFORM, US 7018 2530 23624 1576 ATT-INTERNET4, 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 7564 1714 146 UNI2-AS, ES 39891 4641 279 54 ALJAWWALSTC-AS, SA 20940 3999 3397 140 AKAMAI-ASN1, NL 9009 3492 300 1631 M247, RO 8551 3344 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2913 2301 912 ROSTELECOM-AS, RU 34984 2328 359 598 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1510 872 576 TCI, IR 44477 1453 95 718 STARK-INDUSTRIES, GB 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 12160 3383 597 UNINET, MX 10620 3519 497 886 Telmex Colombia S.A., CO 13999 2494 339 636 Mega Cable, S.A. de C.V., MX 11830 2007 369 64 Instituto Costarricense de Electricidad 28573 1345 2318 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1306 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1245 341 503 Axtel, S.A.B. de C.V., MX 11664 1106 178 423 Techtel LMDS Comunicaciones Interactiva 6147 1087 369 22 Telefonica del Peru S.A.A., PE 22884 1074 117 379 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 1588 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1360 1518 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1058 68 52 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 552 1861 34 IAM-AS, MA 36914 513 82 3 KENET-AS, KE 15399 502 53 42 WANANCHI-, KE 37342 481 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 12160 3383 597 UNINET, MX 9808 9778 8738 50 CHINAMOBILE-CN China Mobile Communicati 16509 9459 11200 3351 AMAZON-02, US 12479 7564 1714 146 UNI2-AS, ES 7545 5675 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4641 279 54 ALJAWWALSTC-AS, SA 11492 4562 303 680 CABLEONE, US 18403 4538 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4164 288 96 VIASAT-SP-BACKBONE, US 20940 3999 3397 140 AKAMAI-ASN1, NL 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 9778 9728 CHINAMOBILE-CN China Mobile Communications Grou 12479 7564 7418 UNI2-AS, ES 16509 9459 6108 AMAZON-02, US 7545 5675 4988 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4641 4587 ALJAWWALSTC-AS, SA 18403 4538 4513 FPT-AS-AP FPT Telecom Company, VN 7155 4164 4068 VIASAT-SP-BACKBONE, US 11492 4562 3882 CABLEONE, US 20940 3999 3859 AKAMAI-ASN1, NL 7552 3838 3818 VIETEL-AS-AP Viettel Group, VN 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 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 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 3356 LEVEL3, 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 LIGHTOWER, 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 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 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 23.189.192.0/24 Origin: 27593 RESERVED, ZZ 23.189.192.0/24 Transit: 174 COGENT-174, US 36.255.139.0/24 Origin: 56050 NEW-SHINE-INTERNET-TH 134 Yenchit Road, 36.255.139.0/24 Transit: 58913 HCL-TH 4819 Supapong 3 Alley, Srinakarin 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 /11:99 /12:298 /13:577 /14:1191 /15:2057 /16:13386 /17:8153 /18:13637 /19:24749 /20:43130 /21:51271 /22:109995 /23:99191 /24:562758 /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 6652 7564 UNI2-AS, ES 8151 6159 12160 UNINET, MX 11492 3476 4562 CABLEONE, US 6327 3371 3566 SHAW, CA 39891 3324 4641 ALJAWWALSTC-AS, SA 7155 3110 4164 VIASAT-SP-BACKBONE, US 8551 2821 3344 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2554 3490 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2130 2473 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2122 3519 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) ---------------------------------------------- 1:2283 2:1402 3:283 4:5 5:4399 6:163 7:6 8:1494 9:1 11:172 12:1488 13:375 14:2329 15:309 16:206 17:360 18:710 20:344 21:4 22:188 23:6549 24:2595 25:2 27:2557 29:19 31:2541 32:53 34:36 35:117 36:2126 37:4475 38:5797 39:884 40:147 41:4125 42:2194 43:2294 44:324 45:16627 46:4327 47:285 49:1893 50:1877 51:572 52:1594 54:377 55:891 56:5 57:127 58:1856 59:1113 60:1012 61:2584 62:2749 63:1906 64:5495 65:2342 66:4973 67:3042 68:1337 69:4052 70:1170 71:609 72:2916 74:2622 75:1547 76:625 77:2337 78:1825 79:3002 80:2113 81:1871 82:1522 83:1322 84:1604 85:2975 86:788 87:1962 88:1226 89:3955 90:657 91:7900 92:2171 93:2628 94:3583 95:3991 96:1297 97:316 98:1015 99:738 100:94 101:1153 102:3006 103:32333 104:4773 105:600 106:974 107:2760 108:1143 109:4150 110:2127 111:3153 112:2076 113:1714 114:1744 115:2007 116:1960 117:2619 118:2768 119:1941 120:1755 121:1252 122:2628 123:2175 124:1576 125:2773 128:1422 129:900 130:1066 131:1964 132:823 133:411 134:1699 135:303 136:880 137:1033 138:2716 139:1550 140:1338 141:1355 142:1533 143:1531 144:996 145:339 146:2015 147:1631 148:2486 149:2392 150:1014 151:1310 152:1839 153:528 154:5459 155:1369 156:2093 157:1368 158:1079 159:2202 160:2618 161:1610 162:3593 163:1626 164:1615 165:2098 166:1064 167:1737 168:3816 169:789 170:4693 171:974 172:3773 173:3012 174:891 175:1215 176:3581 177:4637 178:3523 179:2207 180:2359 181:3625 182:3417 183:2023 184:2271 185:20479 186:4809 187:4308 188:4007 189:3963 190:9307 191:1483 192:10992 193:8973 194:7351 195:5221 196:3130 197:2598 198:5906 199:6822 200:8000 201:6251 202:10182 203:10088 204:4568 205:3656 206:4387 207:3387 208:4073 209:4915 210:4336 211:2495 212:4217 213:3383 214:1120 215:50 216:6772 217:2770 218:1289 219:415 220:1816 221:1019 222:686 223:2190 End of report