IPv4 R&E Routing Table Report 23:05 GMT Mon 14 Aug, 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: 921009 Prefixes after maximum aggregation (per Origin AS): 350623 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 452444 Number of IPv4 prefixes with a valid ROA: 416461 Number of IPv4 prefixes with an invalid ROA: 1514 Number of IPv4 prefixes with no ROA: 503034 Total ASes present in the Internet Routing Table: 74534 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 64107 Origin ASes announcing only one prefix: 26297 Transit ASes present in the Internet Routing Table: 10427 Transit-only ASes present in the Internet Routing Table: 445 Paths with bogon ASNs present in the IPv4 Routing Table: 19 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 137 Max AS path prepend of ASN ( 37447) 129 Prefixes from unregistered ASNs in the Routing Table: 1028 Number of instances of unregistered ASNs: 1030 Number of 32-bit ASNs allocated by the RIRs: 42430 Number of 32-bit ASNs visible in the Routing Table: 34901 Prefixes from 32-bit ASNs in the Routing Table: 173733 Number of bogon 32-bit ASNs visible in the Routing Table: 18 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 542 Number of addresses announced to Internet: 3051011328 Equivalent to 181 /8s, 218 /16s and 189 /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: 99.6 Total number of prefixes smaller than registry allocations: 307950 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240969 Total APNIC prefixes after maximum aggregation: 69638 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 234655 Unique aggregates announced from the APNIC address blocks: 98776 APNIC Region origin ASes present in the Internet Routing Table: 13492 APNIC Prefixes per ASN: 17.39 APNIC Region origin ASes announcing only one prefix: 3984 APNIC Region transit ASes present in the Internet Routing Table: 1786 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8873 Number of APNIC addresses announced to Internet: 772914432 Equivalent to 46 /8s, 17 /16s and 189 /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: 270500 Total ARIN prefixes after maximum aggregation: 123326 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272586 Unique aggregates announced from the ARIN address blocks: 130796 ARIN Region origin ASes present in the Internet Routing Table: 19049 ARIN Prefixes per ASN: 14.31 ARIN Region origin ASes announcing only one prefix: 6974 ARIN Region transit ASes present in the Internet Routing Table: 1883 Average ARIN Region AS path length visible: 4.7 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: 1275671808 Equivalent to 76 /8s, 9 /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: 260129 Total RIPE prefixes after maximum aggregation: 122503 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 257026 Unique aggregates announced from the RIPE address blocks: 159953 RIPE Region origin ASes present in the Internet Routing Table: 28388 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12050 RIPE Region transit ASes present in the Internet Routing Table: 3909 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: 11286 Number of RIPE addresses announced to Internet: 716467712 Equivalent to 42 /8s, 180 /16s and 110 /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: 118315 Total LACNIC prefixes after maximum aggregation: 28517 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 117396 Unique aggregates announced from the LACNIC address blocks: 49767 LACNIC Region origin ASes present in the Internet Routing Table: 11000 LACNIC Prefixes per ASN: 10.67 LACNIC Region origin ASes announcing only one prefix: 2671 LACNIC Region transit ASes present in the Internet Routing Table: 2328 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8814 Number of LACNIC addresses announced to Internet: 178468864 Equivalent to 10 /8s, 163 /16s and 56 /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: 30068 Total AfriNIC prefixes after maximum aggregation: 5935 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 38804 Unique aggregates announced from the AfriNIC address blocks: 12702 AfriNIC Region origin ASes present in the Internet Routing Table: 1772 AfriNIC Prefixes per ASN: 21.90 AfriNIC Region origin ASes announcing only one prefix: 618 AfriNIC Region transit ASes present in the Internet Routing Table: 336 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 137 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1117 Number of AfriNIC addresses announced to Internet: 107095040 Equivalent to 6 /8s, 98 /16s and 36 /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 9513 8705 38 CHINAMOBILE-CN China Mobile Communicati 7545 5706 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4329 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3726 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3593 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3350 1840 98 VNPT-AS-VN VNPT Corp, VN 9498 3074 498 247 BBIL-AP BHARTI Airtel Ltd., IN 24560 2481 843 410 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11270 587 KIXS-AS-KR Korea Telecom, KR 4755 2187 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 8816 10963 3182 AMAZON-02, US 11492 4522 300 622 CABLEONE, US 7155 4193 288 100 VIASAT-SP-BACKBONE, US 22773 3558 3038 295 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3526 1319 66 SHAW, CA 749 3150 54961 2402 DNIC-AS-00749, US 16625 3072 1499 2310 AKAMAI-AS, US 367 2966 3825 1408 DNIC-ASBLK-00306-00371, US 396982 2685 3596 388 GOOGLE-CLOUD-PLATFORM, US 30036 2497 358 400 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 7339 1713 145 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4077 3398 154 AKAMAI-ASN1, NL 8551 3456 368 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2899 2293 912 ROSTELECOM-AS, RU 9009 2669 247 1392 M247, RO 34984 2312 361 603 TELLCOM-AS, TR 58224 1819 944 536 TCI, IR 13188 1606 100 27 TRIOLAN, UA 61317 1554 103 1209 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 11486 3358 607 UNINET, MX 10620 3510 504 890 Telmex Colombia S.A., CO 13999 2430 362 637 Mega Cable, S.A. de C.V., MX 11830 1990 369 64 Instituto Costarricense de Electricidad 28573 1314 2324 233 Claro NXT Telecomunicacoes Ltda, BR 6503 1300 344 508 Axtel, S.A.B. de C.V., MX 3816 1297 761 182 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1123 370 22 Telefonica del Peru S.A.A., PE 11664 1112 181 434 Techtel LMDS Comunicaciones Interactiva 26615 1044 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 1588 393 19 LINKdotNET-AS, EG 24835 1517 533 27 RAYA-AS, EG 36992 1356 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1051 67 45 ORANGE-COTE-IVOIRE, CI 36935 922 521 43 Vodafone-, EG 6713 551 1861 34 IAM-AS, MA 37342 475 32 1 MOVITEL, MZ 24757 472 73 5 EthioNet-AS, ET 15399 449 54 48 WANANCHI-, KE 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 11486 3358 607 UNINET, MX 9808 9513 8705 38 CHINAMOBILE-CN China Mobile Communicati 16509 8816 10963 3182 AMAZON-02, US 12479 7339 1713 145 UNI2-AS, ES 7545 5706 784 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4522 300 622 CABLEONE, US 18403 4329 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4193 288 100 VIASAT-SP-BACKBONE, US 20940 4077 3398 154 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 9513 9475 CHINAMOBILE-CN China Mobile Communications Grou 12479 7339 7194 UNI2-AS, ES 16509 8816 5634 AMAZON-02, US 7545 5706 5019 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4329 4304 FPT-AS-AP FPT Telecom Company, VN 7155 4193 4093 VIASAT-SP-BACKBONE, US 20940 4077 3923 AKAMAI-ASN1, NL 11492 4522 3900 CABLEONE, US 7552 3726 3705 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 46990 UNALLOCATED 8.5.242.0/23 3356 LEVEL3, US 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 19695 UNALLOCATED 8.20.161.0/24 7015 COMCAST-7015, 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 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 41.57.124.0/22 Origin: 37442 RESERVED, ZZ 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 RESERVED, ZZ 41.57.124.0/23 Transit: 37204 TELONE, ZW 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 /11:102 /12:295 /13:572 /14:1193 /15:2098 /16:13455 /17:8203 /18:13731 /19:24821 /20:43351 /21:51054 /22:109359 /23:98409 /24:554289 /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 6425 7339 UNI2-AS, ES 8151 5516 11486 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3432 4522 CABLEONE, US 6327 3337 3526 SHAW, CA 7155 3139 4193 VIASAT-SP-BACKBONE, US 8551 2924 3456 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2605 3558 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2154 2497 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2074 3510 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) ---------------------------------------------- 1:2215 2:1346 3:230 4:5 5:4533 6:134 7:6 8:1515 9:1 11:172 12:1512 13:379 14:2304 15:302 16:194 17:371 18:592 20:278 21:4 22:188 23:6390 24:2479 25:6 27:2531 29:19 31:2522 32:78 34:26 35:114 36:1980 37:4616 38:5118 39:850 40:147 41:3960 42:2080 43:2287 44:314 45:16523 46:4326 47:384 49:1774 50:1850 51:585 52:1597 54:391 55:946 56:8 57:121 58:1819 59:1119 60:996 61:2509 62:2681 63:1920 64:5560 65:2296 66:4925 67:3007 68:1320 69:4082 70:1200 71:680 72:2973 74:2606 75:1580 76:615 77:2441 78:1834 79:2982 80:2120 81:1797 82:1496 83:1269 84:1526 85:2969 86:765 87:1986 88:1170 89:3838 90:617 91:7815 92:2073 93:2594 94:3529 95:3996 96:1293 97:318 98:1083 99:735 100:90 101:1315 102:2939 103:31936 104:4559 105:566 106:881 107:2560 108:1111 109:4256 110:2102 111:3138 112:2064 113:1750 114:1645 115:1993 116:1900 117:2550 118:2690 119:1974 120:1783 121:1085 122:2574 123:2145 124:1575 125:2483 128:1390 129:1037 130:1013 131:1965 132:838 133:422 134:1786 135:308 136:900 137:971 138:2634 139:1573 140:1251 141:1295 142:1465 143:1482 144:997 145:342 146:1945 147:1604 148:2411 149:2116 150:880 151:1177 152:1960 153:513 154:4724 155:1380 156:1912 157:1320 158:1078 159:2219 160:2608 161:1555 162:3507 163:1579 164:1704 165:1833 166:978 167:1732 168:3840 169:928 170:4595 171:899 172:3634 173:2975 174:988 175:1179 176:3775 177:4530 178:3545 179:2151 180:2448 181:3487 182:3408 183:2004 184:2302 185:20519 186:4741 187:4094 188:4133 189:3722 190:9220 191:1387 192:10916 193:8941 194:7301 195:5168 196:3203 197:2439 198:5921 199:6067 200:7940 201:5983 202:10244 203:9994 204:4532 205:3655 206:4245 207:3376 208:4140 209:4878 210:4185 211:2439 212:4251 213:3570 214:1091 215:60 216:6688 217:2775 218:1267 219:410 220:1800 221:975 222:665 223:2161 End of report