IPv4 R&E Routing Table Report 23:05 GMT Sun 17 Sep, 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: 922805 Prefixes after maximum aggregation (per Origin AS): 351716 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 453226 Number of IPv4 prefixes with a valid ROA: 420011 Number of IPv4 prefixes with an invalid ROA: 1562 Number of IPv4 prefixes with no ROA: 501232 Total ASes present in the Internet Routing Table: 74628 Prefixes per ASN: 12.37 Origin-only ASes present in the Internet Routing Table: 64197 Origin ASes announcing only one prefix: 26348 Transit ASes present in the Internet Routing Table: 10431 Transit-only ASes present in the Internet Routing Table: 448 Paths with bogon ASNs present in the IPv4 Routing Table: 31 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 139 Max AS path prepend of ASN ( 37447) 129 Prefixes from unregistered ASNs in the Routing Table: 1042 Number of instances of unregistered ASNs: 1044 Number of 32-bit ASNs allocated by the RIRs: 42637 Number of 32-bit ASNs visible in the Routing Table: 35033 Prefixes from 32-bit ASNs in the Routing Table: 174891 Number of bogon 32-bit ASNs visible in the Routing Table: 45 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 569 Number of addresses announced to Internet: 3053896960 Equivalent to 182 /8s, 6 /16s and 197 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 308119 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241148 Total APNIC prefixes after maximum aggregation: 70116 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 234796 Unique aggregates announced from the APNIC address blocks: 98705 APNIC Region origin ASes present in the Internet Routing Table: 13546 APNIC Prefixes per ASN: 17.33 APNIC Region origin ASes announcing only one prefix: 4044 APNIC Region transit ASes present in the Internet Routing Table: 1808 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8940 Number of APNIC addresses announced to Internet: 772213248 Equivalent to 46 /8s, 7 /16s and 10 /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: 271079 Total ARIN prefixes after maximum aggregation: 123355 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 274127 Unique aggregates announced from the ARIN address blocks: 131585 ARIN Region origin ASes present in the Internet Routing Table: 19041 ARIN Prefixes per ASN: 14.40 ARIN Region origin ASes announcing only one prefix: 6947 ARIN Region transit ASes present in the Internet Routing Table: 1879 Average ARIN Region AS path length visible: 4.6 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4811 Number of ARIN addresses announced to Internet: 1278096640 Equivalent to 76 /8s, 46 /16s and 53 /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: 261033 Total RIPE prefixes after maximum aggregation: 123258 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256693 Unique aggregates announced from the RIPE address blocks: 160329 RIPE Region origin ASes present in the Internet Routing Table: 28391 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12050 RIPE Region transit ASes present in the Internet Routing Table: 3896 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11317 Number of RIPE addresses announced to Internet: 716950528 Equivalent to 42 /8s, 187 /16s and 204 /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: 118310 Total LACNIC prefixes after maximum aggregation: 28315 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117283 Unique aggregates announced from the LACNIC address blocks: 49279 LACNIC Region origin ASes present in the Internet Routing Table: 11018 LACNIC Prefixes per ASN: 10.64 LACNIC Region origin ASes announcing only one prefix: 2685 LACNIC Region transit ASes present in the Internet Routing Table: 2331 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8837 Number of LACNIC addresses announced to Internet: 178405888 Equivalent to 10 /8s, 162 /16s and 66 /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: 30193 Total AfriNIC prefixes after maximum aggregation: 5967 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 39337 Unique aggregates announced from the AfriNIC address blocks: 12851 AfriNIC Region origin ASes present in the Internet Routing Table: 1786 AfriNIC Prefixes per ASN: 22.03 AfriNIC Region origin ASes announcing only one prefix: 622 AfriNIC Region transit ASes present in the Internet Routing Table: 334 Average AfriNIC Region AS path length visible: 5.7 Max AfriNIC Region AS path length visible: 139 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1128 Number of AfriNIC addresses announced to Internet: 107785472 Equivalent to 6 /8s, 108 /16s and 173 /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 9482 8729 41 CHINAMOBILE-CN China Mobile Communicati 7545 5728 785 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4282 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3715 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3564 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3320 1824 97 VNPT-AS-VN VNPT Corp, VN 9498 3149 498 250 BBIL-AP BHARTI Airtel Ltd., IN 24560 2514 849 389 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2289 11269 603 KIXS-AS-KR Korea Telecom, KR 4755 2185 442 201 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 9079 10993 3244 AMAZON-02, US 11492 4521 300 682 CABLEONE, US 7155 4175 288 97 VIASAT-SP-BACKBONE, US 22773 3546 3040 303 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3539 1319 66 SHAW, CA 749 3151 54959 2403 DNIC-AS-00749, US 16625 3006 1438 2277 AKAMAI-AS, US 367 2965 3828 1398 DNIC-ASBLK-00306-00371, US 396982 2698 3597 392 GOOGLE-CLOUD-PLATFORM, US 30036 2500 358 362 MEDIACOM-ENTERPRISE-BUSINESS, 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 7387 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4065 3398 152 AKAMAI-ASN1, NL 8551 3450 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2904 2296 912 ROSTELECOM-AS, RU 9009 2728 254 1395 M247, RO 34984 2329 362 597 TELLCOM-AS, TR 58224 1747 928 513 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1488 99 1157 ASDETUK www.heficed.com, US 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 11824 3368 601 UNINET, MX 10620 3541 506 850 Telmex Colombia S.A., CO 13999 2396 333 624 Mega Cable, S.A. de C.V., MX 11830 2003 369 64 Instituto Costarricense de Electricidad 28573 1325 2324 232 Claro NXT Telecomunicacoes Ltda, BR 6503 1301 344 509 Axtel, S.A.B. de C.V., MX 3816 1294 764 196 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11664 1122 181 424 Techtel LMDS Comunicaciones Interactiva 6147 1113 370 22 Telefonica del Peru S.A.A., PE 26615 1029 2501 49 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 1612 393 19 LINKdotNET-AS, EG 24835 1532 549 28 RAYA-AS, EG 36992 1358 1518 279 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1046 67 45 ORANGE-COTE-IVOIRE, CI 36935 920 520 35 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 521 55 49 WANANCHI-, KE 37342 490 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 11824 3368 601 UNINET, MX 9808 9482 8729 41 CHINAMOBILE-CN China Mobile Communicati 16509 9079 10993 3244 AMAZON-02, US 12479 7387 1713 145 UNI2-AS, ES 7545 5728 785 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4521 300 682 CABLEONE, US 18403 4282 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4175 288 97 VIASAT-SP-BACKBONE, US 20940 4065 3398 152 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 9482 9441 CHINAMOBILE-CN China Mobile Communications Grou 12479 7387 7242 UNI2-AS, ES 16509 9079 5835 AMAZON-02, US 7545 5728 5038 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4282 4257 FPT-AS-AP FPT Telecom Company, VN 7155 4175 4078 VIASAT-SP-BACKBONE, US 20940 4065 3913 AKAMAI-ASN1, NL 11492 4521 3839 CABLEONE, US 7552 3715 3695 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 11168 SCC, 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 6461 ZAYO-6461, 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 /10:38 /11:101 /12:297 /13:575 /14:1195 /15:2097 /16:13447 /17:8198 /18:13735 /19:24808 /20:43233 /21:50927 /22:109607 /23:98665 /24:555843 /25:0 /26:1 /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 6473 7387 UNI2-AS, ES 8151 5849 11824 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3433 4521 CABLEONE, US 6327 3350 3539 SHAW, CA 7155 3121 4175 VIASAT-SP-BACKBONE, US 8551 2924 3450 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2594 3546 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2158 2500 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2104 3541 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) ---------------------------------------------- 1:2211 2:1422 3:263 4:5 5:4519 6:135 7:6 8:1503 9:1 11:172 12:1518 13:364 14:2313 15:303 16:192 17:368 18:643 20:286 21:4 22:188 23:6359 24:2493 25:2 27:2573 29:19 31:2524 32:76 34:27 35:114 36:1985 37:4522 38:5239 39:870 40:146 41:4047 42:2080 43:2268 44:318 45:16553 46:4273 47:373 49:1822 50:1880 51:597 52:1595 54:396 55:957 56:5 57:123 58:1800 59:1121 60:1002 61:2536 62:2681 63:1914 64:5638 65:2338 66:4880 67:3028 68:1340 69:4143 70:1191 71:662 72:2954 74:2596 75:1561 76:617 77:2292 78:1823 79:2987 80:2113 81:1839 82:1456 83:1289 84:1512 85:3043 86:765 87:2000 88:1171 89:3848 90:621 91:7816 92:2060 93:2613 94:3522 95:4024 96:1297 97:316 98:1081 99:736 100:90 101:1317 102:2919 103:31982 104:4607 105:561 106:891 107:2682 108:1127 109:4218 110:2122 111:3140 112:2060 113:1752 114:1666 115:1993 116:1890 117:2534 118:2693 119:1967 120:1776 121:1117 122:2588 123:2145 124:1577 125:2515 128:1416 129:916 130:1036 131:1952 132:856 133:408 134:1789 135:305 136:972 137:971 138:2639 139:1563 140:1180 141:1304 142:1502 143:1544 144:1000 145:350 146:1936 147:1588 148:2424 149:2254 150:872 151:1231 152:1982 153:522 154:5162 155:1383 156:1930 157:1325 158:1080 159:2242 160:2589 161:1581 162:3532 163:1594 164:1689 165:1856 166:1068 167:1733 168:3709 169:895 170:4637 171:904 172:3730 173:2956 174:979 175:1180 176:3761 177:4489 178:3504 179:2144 180:2495 181:3513 182:3319 183:1996 184:2282 185:20549 186:4685 187:4166 188:4156 189:3859 190:9199 191:1375 192:10937 193:8945 194:7297 195:5209 196:3191 197:2478 198:5924 199:6121 200:7858 201:6023 202:10192 203:9977 204:4546 205:3673 206:4299 207:3397 208:4121 209:4893 210:4197 211:2438 212:4260 213:3410 214:1116 215:58 216:6670 217:2784 218:1266 219:404 220:1802 221:981 222:666 223:2145 End of report