IPv4 R&E Routing Table Report 23:05 GMT Sun 03 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: 928472 Prefixes after maximum aggregation (per Origin AS): 355108 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 455212 Number of IPv4 prefixes with a valid ROA: 431056 Number of IPv4 prefixes with an invalid ROA: 1280 Number of IPv4 prefixes with no ROA: 496136 Total ASes present in the Internet Routing Table: 74857 Prefixes per ASN: 12.40 Origin-only ASes present in the Internet Routing Table: 64402 Origin ASes announcing only one prefix: 26475 Transit ASes present in the Internet Routing Table: 10455 Transit-only ASes present in the Internet Routing Table: 447 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 37 Max AS path prepend of ASN (272886) 31 Prefixes from unregistered ASNs in the Routing Table: 1009 Number of instances of unregistered ASNs: 1011 Number of 32-bit ASNs allocated by the RIRs: 43170 Number of 32-bit ASNs visible in the Routing Table: 35382 Prefixes from 32-bit ASNs in the Routing Table: 177196 Number of bogon 32-bit ASNs visible in the Routing Table: 11 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 527 Number of addresses announced to Internet: 3047339520 Equivalent to 181 /8s, 162 /16s and 182 /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: 309283 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 243944 Total APNIC prefixes after maximum aggregation: 71171 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 237197 Unique aggregates announced from the APNIC address blocks: 99459 APNIC Region origin ASes present in the Internet Routing Table: 13698 APNIC Prefixes per ASN: 17.32 APNIC Region origin ASes announcing only one prefix: 4113 APNIC Region transit ASes present in the Internet Routing Table: 1841 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9093 Number of APNIC addresses announced to Internet: 770774528 Equivalent to 45 /8s, 241 /16s and 22 /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: 272086 Total ARIN prefixes after maximum aggregation: 123955 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276763 Unique aggregates announced from the ARIN address blocks: 132529 ARIN Region origin ASes present in the Internet Routing Table: 19031 ARIN Prefixes per ASN: 14.54 ARIN Region origin ASes announcing only one prefix: 6968 ARIN Region transit ASes present in the Internet Routing Table: 1854 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: 4817 Number of ARIN addresses announced to Internet: 1276074752 Equivalent to 76 /8s, 15 /16s and 91 /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: 261726 Total RIPE prefixes after maximum aggregation: 124731 RIPE Deaggregation factor: 2.10 Prefixes being announced from the RIPE address blocks: 256207 Unique aggregates announced from the RIPE address blocks: 160480 RIPE Region origin ASes present in the Internet Routing Table: 28450 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12088 RIPE Region transit ASes present in the Internet Routing Table: 3888 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11440 Number of RIPE addresses announced to Internet: 714308864 Equivalent to 42 /8s, 147 /16s and 125 /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: 119400 Total LACNIC prefixes after maximum aggregation: 28554 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 118176 Unique aggregates announced from the LACNIC address blocks: 49485 LACNIC Region origin ASes present in the Internet Routing Table: 11038 LACNIC Prefixes per ASN: 10.71 LACNIC Region origin ASes announcing only one prefix: 2679 LACNIC Region transit ASes present in the Internet Routing Table: 2349 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 37 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8885 Number of LACNIC addresses announced to Internet: 178305280 Equivalent to 10 /8s, 160 /16s and 185 /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: 30307 Total AfriNIC prefixes after maximum aggregation: 6017 AfriNIC Deaggregation factor: 5.04 Prefixes being announced from the AfriNIC address blocks: 39602 Unique aggregates announced from the AfriNIC address blocks: 12829 AfriNIC Region origin ASes present in the Internet Routing Table: 1802 AfriNIC Prefixes per ASN: 21.98 AfriNIC Region origin ASes announcing only one prefix: 627 AfriNIC Region transit ASes present in the Internet Routing Table: 343 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1147 Number of AfriNIC addresses announced to Internet: 107510528 Equivalent to 6 /8s, 104 /16s and 123 /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 9734 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5677 784 694 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4392 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3640 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3598 1047 70 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 3383 494 249 BBIL-AP BHARTI Airtel Ltd., IN 45899 3260 1872 99 VNPT-AS-VN VNPT Corp, VN 24560 2633 853 369 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2232 11258 588 KIXS-AS-KR Korea Telecom, KR 4755 2193 442 200 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 9379 11178 3323 AMAZON-02, US 11492 4557 302 678 CABLEONE, US 7155 4163 288 95 VIASAT-SP-BACKBONE, US 6327 3559 1320 68 SHAW, CA 22773 3498 3034 289 ASN-CXA-ALL-CCI-22773-RDC, US 749 3164 54930 2416 DNIC-AS-00749, US 16625 3155 1402 2313 AKAMAI-AS, US 367 2997 3848 1423 DNIC-ASBLK-00306-00371, US 396982 2722 3631 372 GOOGLE-CLOUD-PLATFORM, US 7018 2573 23619 1608 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 7513 1714 146 UNI2-AS, ES 39891 4570 271 54 ALJAWWALSTC-AS, SA 20940 3998 3397 141 AKAMAI-ASN1, NL 9009 3480 300 1619 M247, RO 8551 3438 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2888 2301 912 ROSTELECOM-AS, RU 34984 2327 361 586 TELLCOM-AS, TR 58224 1611 895 587 TCI, IR 13188 1607 100 26 TRIOLAN, UA 8452 1520 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 12125 3378 608 UNINET, MX 10620 3525 499 870 Telmex Colombia S.A., CO 13999 2475 338 645 Mega Cable, S.A. de C.V., MX 11830 2010 369 64 Instituto Costarricense de Electricidad 28573 1339 2321 242 Claro NXT Telecomunicacoes Ltda, BR 3816 1307 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1248 341 504 Axtel, S.A.B. de C.V., MX 11664 1086 173 433 Techtel LMDS Comunicaciones Interactiva 6147 1080 369 22 Telefonica del Peru S.A.A., PE 26615 1048 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 1588 389 16 LINKdotNET-AS, EG 24835 1548 545 28 RAYA-AS, EG 36992 1359 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1046 67 51 ORANGE-COTE-IVOIRE, CI 36935 936 521 43 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 535 56 53 WANANCHI-, KE 37342 491 32 1 MOVITEL, MZ 24757 482 73 5 EthioNet-AS, ET 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 12125 3378 608 UNINET, MX 9808 9734 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9379 11178 3323 AMAZON-02, US 12479 7513 1714 146 UNI2-AS, ES 7545 5677 784 694 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 271 54 ALJAWWALSTC-AS, SA 11492 4557 302 678 CABLEONE, US 18403 4392 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4163 288 95 VIASAT-SP-BACKBONE, US 20940 3998 3397 141 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 9734 9693 CHINAMOBILE-CN China Mobile Communications Grou 12479 7513 7367 UNI2-AS, ES 16509 9379 6056 AMAZON-02, US 7545 5677 4983 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4570 4516 ALJAWWALSTC-AS, SA 18403 4392 4367 FPT-AS-AP FPT Telecom Company, VN 7155 4163 4068 VIASAT-SP-BACKBONE, US 11492 4557 3879 CABLEONE, US 20940 3998 3857 AKAMAI-ASN1, NL 7552 3640 3620 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 17054 EXPEDIENT, 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 /15:2058 /16:13408 /17:8187 /18:13672 /19:24761 /20:43092 /21:51114 /22:109971 /23:99103 /24:560865 /25:0 /26:2 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6606 7513 UNI2-AS, ES 8151 6132 12125 UNINET, MX 11492 3471 4557 CABLEONE, US 6327 3367 3559 SHAW, CA 39891 3324 4570 ALJAWWALSTC-AS, SA 7155 3112 4163 VIASAT-SP-BACKBONE, US 8551 2915 3438 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2563 3498 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2138 2482 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2118 3525 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) ---------------------------------------------- 1:2241 2:1426 3:277 4:5 5:4386 6:160 7:6 8:1491 9:1 11:172 12:1489 13:374 14:2319 15:304 16:205 17:361 18:697 20:319 21:4 22:188 23:6502 24:2560 25:2 27:2577 29:19 31:2545 32:53 34:33 35:116 36:2045 37:4460 38:5684 39:881 40:150 41:4088 42:2115 43:2292 44:328 45:16625 46:4374 47:310 49:1879 50:1873 51:573 52:1594 54:393 55:874 56:5 57:125 58:1833 59:1114 60:1010 61:2585 62:2715 63:1900 64:5464 65:2348 66:4973 67:3048 68:1353 69:4089 70:1175 71:606 72:2925 74:2618 75:1561 76:624 77:2335 78:1826 79:3026 80:2110 81:1850 82:1515 83:1317 84:1608 85:2964 86:780 87:1947 88:1230 89:3943 90:637 91:7874 92:2157 93:2635 94:3565 95:3991 96:1298 97:315 98:1013 99:737 100:94 101:1411 102:2977 103:32417 104:4785 105:592 106:972 107:2745 108:1135 109:4212 110:2129 111:3145 112:2078 113:1693 114:1732 115:1998 116:1921 117:2567 118:2747 119:1950 120:1771 121:1223 122:2622 123:2168 124:1596 125:2747 128:1429 129:900 130:1051 131:1980 132:820 133:410 134:1719 135:299 136:916 137:985 138:2711 139:1558 140:1339 141:1349 142:1539 143:1534 144:1002 145:341 146:1990 147:1631 148:2458 149:2318 150:1009 151:1289 152:1829 153:525 154:5305 155:1375 156:2107 157:1364 158:1053 159:2200 160:2618 161:1617 162:3561 163:1626 164:1618 165:1860 166:1102 167:1763 168:3800 169:797 170:4671 171:968 172:3761 173:2996 174:901 175:1205 176:3596 177:4544 178:3530 179:2174 180:2290 181:3603 182:3403 183:2025 184:2252 185:20421 186:4744 187:4286 188:3995 189:3942 190:9289 191:1486 192:10963 193:8966 194:7293 195:5199 196:3135 197:2593 198:5925 199:6593 200:8026 201:6227 202:10220 203:10042 204:4582 205:3652 206:4376 207:3410 208:4082 209:4874 210:4250 211:2465 212:4222 213:3388 214:1119 215:63 216:6737 217:2749 218:1287 219:412 220:1797 221:1009 222:696 223:2193 End of report