IPv4 R&E Routing Table Report 23:05 GMT Wed 13 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: 929236 Prefixes after maximum aggregation (per Origin AS): 355761 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 455462 Number of IPv4 prefixes with a valid ROA: 433610 Number of IPv4 prefixes with an invalid ROA: 715 Number of IPv4 prefixes with no ROA: 494911 Total ASes present in the Internet Routing Table: 74963 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64451 Origin ASes announcing only one prefix: 26572 Transit ASes present in the Internet Routing Table: 10512 Transit-only ASes present in the Internet Routing Table: 448 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: 48 Max AS path prepend of ASN ( 11432) 44 Prefixes from unregistered ASNs in the Routing Table: 970 Number of instances of unregistered ASNs: 972 Number of 32-bit ASNs allocated by the RIRs: 43228 Number of 32-bit ASNs visible in the Routing Table: 35478 Prefixes from 32-bit ASNs in the Routing Table: 177510 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: 526 Number of addresses announced to Internet: 3046798080 Equivalent to 181 /8s, 154 /16s and 115 /24s Percentage of available address space announced: 82.3 Percentage of allocated address space announced: 82.3 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: 310056 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243803 Total APNIC prefixes after maximum aggregation: 71313 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 236952 Unique aggregates announced from the APNIC address blocks: 99350 APNIC Region origin ASes present in the Internet Routing Table: 13735 APNIC Prefixes per ASN: 17.25 APNIC Region origin ASes announcing only one prefix: 4135 APNIC Region transit ASes present in the Internet Routing Table: 1851 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9132 Number of APNIC addresses announced to Internet: 770458880 Equivalent to 45 /8s, 236 /16s and 69 /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: 272471 Total ARIN prefixes after maximum aggregation: 124240 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 277163 Unique aggregates announced from the ARIN address blocks: 132687 ARIN Region origin ASes present in the Internet Routing Table: 19039 ARIN Prefixes per ASN: 14.56 ARIN Region origin ASes announcing only one prefix: 6968 ARIN Region transit ASes present in the Internet Routing Table: 1886 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4818 Number of ARIN addresses announced to Internet: 1275597568 Equivalent to 76 /8s, 8 /16s and 19 /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: 261597 Total RIPE prefixes after maximum aggregation: 124880 RIPE Deaggregation factor: 2.09 Prefixes being announced from the RIPE address blocks: 256139 Unique aggregates announced from the RIPE address blocks: 160705 RIPE Region origin ASes present in the Internet Routing Table: 28495 RIPE Prefixes per ASN: 8.99 RIPE Region origin ASes announcing only one prefix: 12137 RIPE Region transit ASes present in the Internet Routing Table: 3918 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11480 Number of RIPE addresses announced to Internet: 714310656 Equivalent to 42 /8s, 147 /16s and 132 /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: 120081 Total LACNIC prefixes after maximum aggregation: 28605 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 118761 Unique aggregates announced from the LACNIC address blocks: 49433 LACNIC Region origin ASes present in the Internet Routing Table: 11050 LACNIC Prefixes per ASN: 10.75 LACNIC Region origin ASes announcing only one prefix: 2691 LACNIC Region transit ASes present in the Internet Routing Table: 2361 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: 8895 Number of LACNIC addresses announced to Internet: 178290432 Equivalent to 10 /8s, 160 /16s and 127 /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: 30314 Total AfriNIC prefixes after maximum aggregation: 6043 AfriNIC Deaggregation factor: 5.02 Prefixes being announced from the AfriNIC address blocks: 39695 Unique aggregates announced from the AfriNIC address blocks: 12858 AfriNIC Region origin ASes present in the Internet Routing Table: 1810 AfriNIC Prefixes per ASN: 21.93 AfriNIC Region origin ASes announcing only one prefix: 641 AfriNIC Region transit ASes present in the Internet Routing Table: 339 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 32 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1153 Number of AfriNIC addresses announced to Internet: 107744256 Equivalent to 6 /8s, 108 /16s and 12 /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 9736 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5661 783 679 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4436 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3641 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3595 1045 67 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3266 1872 99 VNPT-AS-VN VNPT Corp, VN 9498 3254 494 251 BBIL-AP BHARTI Airtel Ltd., IN 24560 2643 854 369 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2233 11258 588 KIXS-AS-KR Korea Telecom, KR 4755 2188 442 199 TATACOMM-AS TATA Communications formerl 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 9387 11177 3379 AMAZON-02, US 11492 4562 303 680 CABLEONE, US 7155 4166 288 96 VIASAT-SP-BACKBONE, US 6327 3562 1320 69 SHAW, CA 22773 3501 3038 297 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3166 1407 2317 AKAMAI-AS, US 749 3162 54930 2414 DNIC-AS-00749, US 367 2954 3822 1414 DNIC-ASBLK-00306-00371, US 396982 2730 3637 381 GOOGLE-CLOUD-PLATFORM, US 7018 2576 23627 1594 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 7586 1714 146 UNI2-AS, ES 39891 4434 262 59 ALJAWWALSTC-AS, SA 20940 3989 3397 140 AKAMAI-ASN1, NL 9009 3494 300 1622 M247, RO 8551 3339 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2902 2301 910 ROSTELECOM-AS, RU 34984 2325 360 589 TELLCOM-AS, TR 13188 1607 100 26 TRIOLAN, UA 58224 1595 888 593 TCI, IR 8452 1539 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 12123 3368 610 UNINET, MX 10620 3518 496 885 Telmex Colombia S.A., CO 13999 2488 338 634 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad 28573 1341 2318 237 Claro NXT Telecomunicacoes Ltda, BR 3816 1307 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1245 341 503 Axtel, S.A.B. de C.V., MX 11664 1087 176 426 Techtel LMDS Comunicaciones Interactiva 6147 1080 369 22 Telefonica del Peru S.A.A., PE 26615 1047 2502 52 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 24863 1596 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1359 1518 280 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 29571 1047 67 52 ORANGE-COTE-IVOIRE, CI 36935 853 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 36914 531 82 3 KENET-AS, KE 15399 522 55 51 WANANCHI-, KE 37342 490 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 12123 3368 610 UNINET, MX 9808 9736 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9387 11177 3379 AMAZON-02, US 12479 7586 1714 146 UNI2-AS, ES 7545 5661 783 679 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4562 303 680 CABLEONE, US 18403 4436 347 25 FPT-AS-AP FPT Telecom Company, VN 39891 4434 262 59 ALJAWWALSTC-AS, SA 7155 4166 288 96 VIASAT-SP-BACKBONE, US 20940 3989 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 9736 9695 CHINAMOBILE-CN China Mobile Communications Grou 12479 7586 7440 UNI2-AS, ES 16509 9387 6008 AMAZON-02, US 7545 5661 4982 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4436 4411 FPT-AS-AP FPT Telecom Company, VN 39891 4434 4375 ALJAWWALSTC-AS, SA 7155 4166 4070 VIASAT-SP-BACKBONE, US 11492 4562 3882 CABLEONE, US 20940 3989 3849 AKAMAI-ASN1, NL 7552 3641 3621 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 /10:37 /11:99 /12:298 /13:578 /14:1189 /15:2057 /16:13402 /17:8191 /18:13664 /19:24743 /20:43129 /21:51110 /22:109934 /23:99139 /24:561628 /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 6672 7586 UNI2-AS, ES 8151 6135 12123 UNINET, MX 11492 3476 4562 CABLEONE, US 6327 3367 3562 SHAW, CA 39891 3252 4434 ALJAWWALSTC-AS, SA 7155 3112 4166 VIASAT-SP-BACKBONE, US 8551 2816 3339 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2556 3501 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2136 2482 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2121 3518 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) ---------------------------------------------- 1:2244 2:1414 3:280 4:5 5:4385 6:162 7:6 8:1494 9:1 11:172 12:1488 13:368 14:2322 15:304 16:206 17:361 18:706 20:337 21:4 22:188 23:6545 24:2588 25:2 27:2560 29:19 31:2540 32:53 34:34 35:115 36:2050 37:4460 38:5740 39:881 40:147 41:4097 42:2143 43:2297 44:328 45:16600 46:4367 47:286 49:1894 50:1878 51:507 52:1595 54:387 55:885 56:5 57:126 58:1852 59:1103 60:1009 61:2474 62:2743 63:1905 64:5488 65:2349 66:4970 67:3047 68:1342 69:4051 70:1173 71:608 72:2928 74:2627 75:1550 76:625 77:2267 78:1822 79:2993 80:2122 81:1868 82:1521 83:1320 84:1605 85:2965 86:787 87:1971 88:1229 89:3923 90:648 91:7882 92:2180 93:2633 94:3577 95:3997 96:1297 97:316 98:1017 99:745 100:95 101:1146 102:2987 103:32335 104:4788 105:599 106:976 107:2761 108:1136 109:4153 110:2131 111:3143 112:2072 113:1703 114:1745 115:2003 116:1930 117:2558 118:2748 119:1946 120:1753 121:1226 122:2638 123:2170 124:1582 125:2748 128:1427 129:898 130:1055 131:1973 132:817 133:410 134:1721 135:295 136:905 137:985 138:2703 139:1557 140:1337 141:1355 142:1534 143:1526 144:1004 145:334 146:1995 147:1634 148:2484 149:2387 150:1011 151:1288 152:1837 153:528 154:5333 155:1370 156:2127 157:1369 158:1088 159:2198 160:2625 161:1614 162:3588 163:1628 164:1621 165:1864 166:1073 167:1740 168:3801 169:794 170:4672 171:969 172:3756 173:3016 174:899 175:1213 176:3589 177:4749 178:3517 179:2269 180:2319 181:3600 182:3406 183:2021 184:2267 185:20455 186:4752 187:4389 188:3979 189:3993 190:9327 191:1745 192:10960 193:8963 194:7329 195:5208 196:3136 197:2644 198:5913 199:6733 200:7969 201:6224 202:10196 203:10017 204:4567 205:3664 206:4388 207:3382 208:4060 209:4903 210:4287 211:2483 212:4208 213:3393 214:1115 215:49 216:6763 217:2759 218:1289 219:413 220:1796 221:1014 222:698 223:2193 End of report