IPv4 R&E Routing Table Report 23:05 GMT Tue 17 Oct, 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: 925923 Prefixes after maximum aggregation (per Origin AS): 352946 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 453629 Number of IPv4 prefixes with a valid ROA: 425900 Number of IPv4 prefixes with an invalid ROA: 1759 Number of IPv4 prefixes with no ROA: 498264 Total ASes present in the Internet Routing Table: 74767 Prefixes per ASN: 12.38 Origin-only ASes present in the Internet Routing Table: 64178 Origin ASes announcing only one prefix: 26462 Transit ASes present in the Internet Routing Table: 10589 Transit-only ASes present in the Internet Routing Table: 464 Paths with bogon ASNs present in the IPv4 Routing Table: 31 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 106 Max AS path prepend of ASN ( 37447) 103 Prefixes from unregistered ASNs in the Routing Table: 1009 Number of instances of unregistered ASNs: 1012 Number of 32-bit ASNs allocated by the RIRs: 42854 Number of 32-bit ASNs visible in the Routing Table: 35186 Prefixes from 32-bit ASNs in the Routing Table: 175530 Number of bogon 32-bit ASNs visible in the Routing Table: 19 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 511 Number of addresses announced to Internet: 3051970816 Equivalent to 181 /8s, 233 /16s and 97 /24s Percentage of available address space announced: 82.4 Percentage of allocated address space announced: 82.4 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: 309583 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 241726 Total APNIC prefixes after maximum aggregation: 70257 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 235290 Unique aggregates announced from the APNIC address blocks: 99079 APNIC Region origin ASes present in the Internet Routing Table: 13602 APNIC Prefixes per ASN: 17.30 APNIC Region origin ASes announcing only one prefix: 4076 APNIC Region transit ASes present in the Internet Routing Table: 1830 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 35 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8994 Number of APNIC addresses announced to Internet: 772240896 Equivalent to 46 /8s, 7 /16s and 118 /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: 272379 Total ARIN prefixes after maximum aggregation: 123612 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 276180 Unique aggregates announced from the ARIN address blocks: 132065 ARIN Region origin ASes present in the Internet Routing Table: 19053 ARIN Prefixes per ASN: 14.50 ARIN Region origin ASes announcing only one prefix: 6972 ARIN Region transit ASes present in the Internet Routing Table: 1895 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4814 Number of ARIN addresses announced to Internet: 1276929536 Equivalent to 76 /8s, 28 /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: 261905 Total RIPE prefixes after maximum aggregation: 124040 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 256877 Unique aggregates announced from the RIPE address blocks: 160119 RIPE Region origin ASes present in the Internet Routing Table: 28421 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12086 RIPE Region transit ASes present in the Internet Routing Table: 3956 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11364 Number of RIPE addresses announced to Internet: 716282368 Equivalent to 42 /8s, 177 /16s and 154 /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: 118607 Total LACNIC prefixes after maximum aggregation: 28360 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117567 Unique aggregates announced from the LACNIC address blocks: 49243 LACNIC Region origin ASes present in the Internet Routing Table: 11040 LACNIC Prefixes per ASN: 10.65 LACNIC Region origin ASes announcing only one prefix: 2699 LACNIC Region transit ASes present in the Internet Routing Table: 2361 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8869 Number of LACNIC addresses announced to Internet: 178469888 Equivalent to 10 /8s, 163 /16s and 60 /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: 30297 Total AfriNIC prefixes after maximum aggregation: 5981 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 39498 Unique aggregates announced from the AfriNIC address blocks: 12698 AfriNIC Region origin ASes present in the Internet Routing Table: 1801 AfriNIC Prefixes per ASN: 21.93 AfriNIC Region origin ASes announcing only one prefix: 629 AfriNIC Region transit ASes present in the Internet Routing Table: 340 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 106 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1145 Number of AfriNIC addresses announced to Internet: 107626496 Equivalent to 6 /8s, 106 /16s and 64 /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 9487 8729 40 CHINAMOBILE-CN China Mobile Communicati 7545 5709 785 696 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4205 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3601 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3595 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3324 1840 96 VNPT-AS-VN VNPT Corp, VN 9498 3204 493 241 BBIL-AP BHARTI Airtel Ltd., IN 24560 2553 849 378 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2284 11269 604 KIXS-AS-KR Korea Telecom, KR 4755 2191 442 203 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 9150 11001 3284 AMAZON-02, US 11492 4539 301 672 CABLEONE, US 7155 4159 288 96 VIASAT-SP-BACKBONE, US 6327 3546 1319 66 SHAW, CA 22773 3521 3056 297 ASN-CXA-ALL-CCI-22773-RDC, US 749 3161 54958 2413 DNIC-AS-00749, US 367 3079 3860 1437 DNIC-ASBLK-00306-00371, US 16625 3028 1397 2304 AKAMAI-AS, US 396982 2705 3598 398 GOOGLE-CLOUD-PLATFORM, US 7018 2522 23618 1583 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 7383 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4086 3398 151 AKAMAI-ASN1, NL 8551 3449 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9009 3098 276 1519 M247, RO 12389 2906 2297 917 ROSTELECOM-AS, RU 34984 2333 362 593 TELLCOM-AS, TR 13188 1606 100 27 TRIOLAN, UA 58224 1594 883 606 TCI, IR 8452 1534 1852 15 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 11882 3381 605 UNINET, MX 10620 3538 504 860 Telmex Colombia S.A., CO 13999 2414 332 626 Mega Cable, S.A. de C.V., MX 11830 2006 369 64 Instituto Costarricense de Electricidad 28573 1334 2324 232 Claro NXT Telecomunicacoes Ltda, BR 3816 1298 770 191 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1281 343 511 Axtel, S.A.B. de C.V., MX 6147 1112 369 22 Telefonica del Peru S.A.A., PE 11664 1052 168 427 Techtel LMDS Comunicaciones Interactiva 26615 1039 2501 51 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 1605 393 19 LINKdotNET-AS, EG 24835 1544 549 28 RAYA-AS, EG 36992 1358 1518 280 ETISALAT-MISR, EG 36903 1248 553 98 MT-MPLS, MA 29571 1045 67 45 ORANGE-COTE-IVOIRE, CI 36935 938 521 44 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 15399 537 55 51 WANANCHI-, KE 37342 461 32 1 MOVITEL, MZ 24757 457 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 11882 3381 605 UNINET, MX 9808 9487 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9150 11001 3284 AMAZON-02, US 12479 7383 1713 145 UNI2-AS, ES 7545 5709 785 696 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4539 301 672 CABLEONE, US 18403 4205 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4159 288 96 VIASAT-SP-BACKBONE, US 20940 4086 3398 151 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 9487 9447 CHINAMOBILE-CN China Mobile Communications Grou 12479 7383 7238 UNI2-AS, ES 16509 9150 5866 AMAZON-02, US 7545 5709 5013 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4205 4180 FPT-AS-AP FPT Telecom Company, VN 7155 4159 4063 VIASAT-SP-BACKBONE, US 20940 4086 3935 AKAMAI-ASN1, NL 11492 4539 3867 CABLEONE, US 7552 3601 3581 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 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 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 /10:37 /11:101 /12:299 /13:578 /14:1193 /15:2091 /16:13441 /17:8236 /18:13704 /19:24811 /20:43240 /21:51204 /22:109716 /23:98671 /24:558562 /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 6469 7383 UNI2-AS, ES 8151 5900 11882 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3452 4539 CABLEONE, US 6327 3356 3546 SHAW, CA 7155 3107 4159 VIASAT-SP-BACKBONE, US 8551 2926 3449 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2579 3521 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2153 2496 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2112 3538 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) ---------------------------------------------- 1:2193 2:1432 3:265 4:5 5:4377 6:138 7:6 8:1498 9:1 11:172 12:1500 13:365 14:2308 15:303 16:194 17:365 18:663 20:305 21:4 22:188 23:6458 24:2519 25:2 27:2577 29:19 31:2546 32:75 34:27 35:114 36:2000 37:4487 38:5422 39:865 40:143 41:4029 42:2040 43:2269 44:323 45:16643 46:4346 47:371 49:1830 50:1881 51:582 52:1589 54:393 55:949 56:5 57:127 58:1789 59:1115 60:1007 61:2544 62:2676 63:1908 64:5644 65:2353 66:4962 67:3051 68:1343 69:4125 70:1186 71:639 72:2942 74:2620 75:1563 76:630 77:2298 78:1829 79:3007 80:2111 81:1828 82:1514 83:1301 84:1562 85:3044 86:761 87:2010 88:1210 89:3923 90:625 91:7854 92:2065 93:2634 94:3555 95:4052 96:1299 97:316 98:1082 99:736 100:91 101:1296 102:2927 103:32171 104:4759 105:578 106:910 107:2719 108:1132 109:4238 110:2137 111:3145 112:2053 113:1748 114:1695 115:1991 116:1891 117:2531 118:2700 119:1957 120:1781 121:1139 122:2597 123:2167 124:1573 125:2570 128:1400 129:912 130:1039 131:1958 132:857 133:408 134:1779 135:304 136:909 137:984 138:2662 139:1578 140:1299 141:1332 142:1510 143:1521 144:1000 145:351 146:1961 147:1611 148:2443 149:2331 150:878 151:1238 152:1959 153:523 154:5146 155:1395 156:2003 157:1342 158:1057 159:2195 160:2632 161:1600 162:3508 163:1607 164:1711 165:1859 166:1067 167:1733 168:3817 169:793 170:4610 171:951 172:3794 173:2983 174:983 175:1182 176:3611 177:4522 178:3565 179:2179 180:2470 181:3502 182:3379 183:1990 184:2275 185:20626 186:4720 187:4199 188:4156 189:3924 190:9295 191:1366 192:10945 193:8958 194:7304 195:5211 196:3203 197:2599 198:5926 199:6280 200:7941 201:6193 202:10191 203:9982 204:4535 205:3696 206:4328 207:3407 208:4105 209:4894 210:4209 211:2447 212:4274 213:3386 214:1109 215:71 216:6700 217:2770 218:1270 219:407 220:1803 221:984 222:665 223:2153 End of report