IPv4 R&E Routing Table Report 23:05 GMT Thu 06 Jul, 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: 919862 Prefixes after maximum aggregation (per Origin AS): 349769 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 451575 Number of IPv4 prefixes with a valid ROA: 410851 Number of IPv4 prefixes with an invalid ROA: 1706 Number of IPv4 prefixes with no ROA: 507305 Total ASes present in the Internet Routing Table: 74416 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63928 Origin ASes announcing only one prefix: 26299 Transit ASes present in the Internet Routing Table: 10488 Transit-only ASes present in the Internet Routing Table: 448 Paths with bogon ASNs present in the IPv4 Routing Table: 78 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 129 Max AS path prepend of ASN ( 37447) 127 Prefixes from unregistered ASNs in the Routing Table: 1043 Number of instances of unregistered ASNs: 1047 Number of 32-bit ASNs allocated by the RIRs: 42238 Number of 32-bit ASNs visible in the Routing Table: 34742 Prefixes from 32-bit ASNs in the Routing Table: 172817 Number of bogon 32-bit ASNs visible in the Routing Table: 112 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 555 Number of addresses announced to Internet: 3053081344 Equivalent to 181 /8s, 250 /16s and 83 /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: 99.6 Total number of prefixes smaller than registry allocations: 308137 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240066 Total APNIC prefixes after maximum aggregation: 68985 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 233917 Unique aggregates announced from the APNIC address blocks: 98629 APNIC Region origin ASes present in the Internet Routing Table: 13404 APNIC Prefixes per ASN: 17.45 APNIC Region origin ASes announcing only one prefix: 3974 APNIC Region transit ASes present in the Internet Routing Table: 1791 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8793 Number of APNIC addresses announced to Internet: 772942336 Equivalent to 46 /8s, 18 /16s and 42 /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: 270034 Total ARIN prefixes after maximum aggregation: 123193 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272429 Unique aggregates announced from the ARIN address blocks: 130742 ARIN Region origin ASes present in the Internet Routing Table: 19070 ARIN Prefixes per ASN: 14.29 ARIN Region origin ASes announcing only one prefix: 6986 ARIN Region transit ASes present in the Internet Routing Table: 1900 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4803 Number of ARIN addresses announced to Internet: 1278061824 Equivalent to 76 /8s, 45 /16s and 173 /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: 260352 Total RIPE prefixes after maximum aggregation: 122639 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256703 Unique aggregates announced from the RIPE address blocks: 159578 RIPE Region origin ASes present in the Internet Routing Table: 28345 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12045 RIPE Region transit ASes present in the Internet Routing Table: 3955 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: 11231 Number of RIPE addresses announced to Internet: 717181440 Equivalent to 42 /8s, 191 /16s and 82 /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 196608-213403 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: 118572 Total LACNIC prefixes after maximum aggregation: 28381 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117724 Unique aggregates announced from the LACNIC address blocks: 49541 LACNIC Region origin ASes present in the Internet Routing Table: 11009 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2672 LACNIC Region transit ASes present in the Internet Routing Table: 2307 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8801 Number of LACNIC addresses announced to Internet: 177068800 Equivalent to 10 /8s, 141 /16s and 219 /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: 29795 Total AfriNIC prefixes after maximum aggregation: 5858 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 38534 Unique aggregates announced from the AfriNIC address blocks: 12622 AfriNIC Region origin ASes present in the Internet Routing Table: 1764 AfriNIC Prefixes per ASN: 21.84 AfriNIC Region origin ASes announcing only one prefix: 622 AfriNIC Region transit ASes present in the Internet Routing Table: 330 Average AfriNIC Region AS path length visible: 4.8 Max AfriNIC Region AS path length visible: 129 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1114 Number of AfriNIC addresses announced to Internet: 107498496 Equivalent to 6 /8s, 104 /16s and 76 /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 9514 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5682 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4218 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3692 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3563 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3374 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3042 497 247 BBIL-AP BHARTI Airtel Ltd., IN 24560 2440 835 444 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11270 588 KIXS-AS-KR Korea Telecom, KR 4755 2187 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 8681 10905 3123 AMAZON-02, US 11492 4522 300 614 CABLEONE, US 7155 4169 288 86 VIASAT-SP-BACKBONE, US 22773 3541 3054 267 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1319 66 SHAW, CA 749 3143 54962 2395 DNIC-AS-00749, US 16625 3127 1549 2349 AKAMAI-AS, US 367 2743 3742 1312 DNIC-ASBLK-00306-00371, US 396982 2674 3594 384 GOOGLE-CLOUD-PLATFORM, US 30036 2497 360 438 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 7304 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4077 3398 159 AKAMAI-ASN1, NL 8551 3465 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2911 2293 911 ROSTELECOM-AS, RU 9009 2655 246 1382 M247, RO 34984 2307 361 609 TELLCOM-AS, TR 58224 1832 946 535 TCI, IR 6849 1799 307 17 UKRTELNET, UA 13188 1606 100 27 TRIOLAN, UA 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 11550 3376 596 UNINET, MX 10620 3531 507 841 Telmex Colombia S.A., CO 13999 2400 358 629 Mega Cable, S.A. de C.V., MX 11830 2226 369 64 Instituto Costarricense de Electricidad 28573 1318 2324 238 Claro NXT Telecomunicacoes Ltda, BR 3816 1301 767 167 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1298 344 511 Axtel, S.A.B. de C.V., MX 6147 1130 370 22 Telefonica del Peru S.A.A., PE 11664 1101 177 436 Techtel LMDS Comunicaciones Interactiva 26615 1036 2500 47 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 1617 393 19 LINKdotNET-AS, EG 24835 1548 533 27 RAYA-AS, EG 36992 1314 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1053 67 46 ORANGE-COTE-IVOIRE, CI 36935 923 521 44 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 524 54 47 WANANCHI-, KE 24757 485 73 5 EthioNet-AS, ET 37342 468 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 11550 3376 596 UNINET, MX 9808 9514 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8681 10905 3123 AMAZON-02, US 12479 7304 1706 141 UNI2-AS, ES 7545 5682 784 690 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4522 300 614 CABLEONE, US 18403 4218 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4169 288 86 VIASAT-SP-BACKBONE, US 20940 4077 3398 159 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 9514 9477 CHINAMOBILE-CN China Mobile Communications Grou 12479 7304 7163 UNI2-AS, ES 16509 8681 5558 AMAZON-02, US 7545 5682 4992 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4218 4193 FPT-AS-AP FPT Telecom Company, VN 7155 4169 4083 VIASAT-SP-BACKBONE, US 20940 4077 3918 AKAMAI-ASN1, NL 11492 4522 3908 CABLEONE, US 7552 3692 3671 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 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 19695 UNALLOCATED 8.20.161.0/24 46887 LIGHTOWER, 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 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 18798 UNALLOCATED 8.40.106.0/24 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 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 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 /11:103 /12:297 /13:575 /14:1196 /15:2105 /16:13418 /17:8180 /18:13715 /19:24877 /20:43233 /21:51059 /22:109335 /23:98215 /24:553477 /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 6392 7304 UNI2-AS, ES 8151 5470 11550 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3431 4522 CABLEONE, US 6327 3334 3524 SHAW, CA 7155 3118 4169 VIASAT-SP-BACKBONE, US 8551 2934 3465 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2611 3541 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2152 2497 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2089 3531 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) ---------------------------------------------- 1:2160 2:1336 3:228 4:5 5:4522 6:130 7:6 8:1514 9:1 11:172 12:1516 13:387 14:2312 15:301 16:194 17:372 18:501 20:260 21:4 22:188 23:6346 24:2528 25:6 27:2506 29:19 31:2518 32:80 34:23 35:111 36:1971 37:4680 38:4993 39:827 40:151 41:4027 42:1993 43:2316 44:305 45:16613 46:4339 47:377 49:1756 50:1853 51:573 52:1591 54:395 55:977 56:8 57:119 58:1815 59:1109 60:985 61:2509 62:2653 63:1905 64:5611 65:2317 66:4989 67:3043 68:1351 69:4091 70:1207 71:676 72:2987 74:2621 75:1565 76:611 77:2448 78:1820 79:2982 80:2121 81:1783 82:1506 83:1258 84:1530 85:2996 86:769 87:2002 88:1179 89:3804 90:615 91:7768 92:2038 93:2605 94:3576 95:4049 96:1311 97:342 98:1136 99:736 100:94 101:1313 102:2844 103:31609 104:4552 105:505 106:885 107:2557 108:1080 109:4231 110:2098 111:3133 112:2054 113:1744 114:1633 115:1975 116:1895 117:2579 118:2613 119:1977 120:1792 121:1075 122:2590 123:2126 124:1576 125:2463 128:1405 129:1039 130:1007 131:1956 132:840 133:419 134:1795 135:308 136:886 137:953 138:2546 139:1560 140:1246 141:1363 142:1459 143:1509 144:1033 145:341 146:1947 147:1580 148:2403 149:2172 150:874 151:1166 152:1958 153:496 154:4629 155:1387 156:1788 157:1313 158:1082 159:2258 160:2586 161:1558 162:3506 163:1549 164:1593 165:1871 166:1070 167:1722 168:3835 169:949 170:4610 171:889 172:3636 173:2957 174:1082 175:1189 176:3733 177:4526 178:3609 179:2164 180:2450 181:3483 182:3393 183:2006 184:2319 185:20443 186:4781 187:4078 188:4099 189:3705 190:9233 191:1374 192:10895 193:8926 194:7330 195:5141 196:3203 197:2374 198:5898 199:6095 200:7914 201:5926 202:10261 203:10103 204:4558 205:3683 206:4266 207:3368 208:4120 209:4889 210:4169 211:2443 212:4257 213:3612 214:1080 215:59 216:6649 217:2765 218:1276 219:414 220:1762 221:964 222:683 223:2156 End of report