IPv4 R&E Routing Table Report 23:05 GMT Wed 05 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: 919622 Prefixes after maximum aggregation (per Origin AS): 349687 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 451511 Number of IPv4 prefixes with a valid ROA: 410575 Number of IPv4 prefixes with an invalid ROA: 1714 Number of IPv4 prefixes with no ROA: 507333 Total ASes present in the Internet Routing Table: 74403 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63905 Origin ASes announcing only one prefix: 26305 Transit ASes present in the Internet Routing Table: 10498 Transit-only ASes present in the Internet Routing Table: 450 Paths with bogon ASNs present in the IPv4 Routing Table: 80 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: 1045 Number of instances of unregistered ASNs: 1049 Number of 32-bit ASNs allocated by the RIRs: 42225 Number of 32-bit ASNs visible in the Routing Table: 34732 Prefixes from 32-bit ASNs in the Routing Table: 172739 Number of bogon 32-bit ASNs visible in the Routing Table: 116 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 545 Number of addresses announced to Internet: 3053163008 Equivalent to 181 /8s, 251 /16s and 146 /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: 308038 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239940 Total APNIC prefixes after maximum aggregation: 68968 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 233823 Unique aggregates announced from the APNIC address blocks: 98610 APNIC Region origin ASes present in the Internet Routing Table: 13403 APNIC Prefixes per ASN: 17.45 APNIC Region origin ASes announcing only one prefix: 3976 APNIC Region transit ASes present in the Internet Routing Table: 1794 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: 772907264 Equivalent to 46 /8s, 17 /16s and 161 /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: 270011 Total ARIN prefixes after maximum aggregation: 123132 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272476 Unique aggregates announced from the ARIN address blocks: 130785 ARIN Region origin ASes present in the Internet Routing Table: 19068 ARIN Prefixes per ASN: 14.29 ARIN Region origin ASes announcing only one prefix: 6988 ARIN Region transit ASes present in the Internet Routing Table: 1899 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: 4802 Number of ARIN addresses announced to Internet: 1278089984 Equivalent to 76 /8s, 46 /16s and 27 /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: 260253 Total RIPE prefixes after maximum aggregation: 122622 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256548 Unique aggregates announced from the RIPE address blocks: 159454 RIPE Region origin ASes present in the Internet Routing Table: 28333 RIPE Prefixes per ASN: 9.05 RIPE Region origin ASes announcing only one prefix: 12045 RIPE Region transit ASes present in the Internet Routing Table: 3964 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: 11224 Number of RIPE addresses announced to Internet: 717163264 Equivalent to 42 /8s, 191 /16s and 11 /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: 118605 Total LACNIC prefixes after maximum aggregation: 28399 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117756 Unique aggregates announced from the LACNIC address blocks: 49583 LACNIC Region origin ASes present in the Internet Routing Table: 11010 LACNIC Prefixes per ASN: 10.70 LACNIC Region origin ASes announcing only one prefix: 2675 LACNIC Region transit ASes present in the Internet Routing Table: 2309 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 29 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8804 Number of LACNIC addresses announced to Internet: 177075712 Equivalent to 10 /8s, 141 /16s and 246 /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: 29768 Total AfriNIC prefixes after maximum aggregation: 5850 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 38474 Unique aggregates announced from the AfriNIC address blocks: 12626 AfriNIC Region origin ASes present in the Internet Routing Table: 1760 AfriNIC Prefixes per ASN: 21.86 AfriNIC Region origin ASes announcing only one prefix: 621 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: 1109 Number of AfriNIC addresses announced to Internet: 107601920 Equivalent to 6 /8s, 105 /16s and 224 /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 9510 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5680 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4218 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3674 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3562 1043 63 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3373 1856 96 VNPT-AS-VN VNPT Corp, VN 9498 3042 497 247 BBIL-AP BHARTI Airtel Ltd., IN 24560 2437 834 444 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 8678 10890 3112 AMAZON-02, US 11492 4519 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 3126 1549 2349 AKAMAI-AS, US 367 2749 3748 1316 DNIC-ASBLK-00306-00371, US 396982 2672 3594 383 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 7298 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4088 3398 159 AKAMAI-ASN1, NL 8551 3466 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2910 2293 911 ROSTELECOM-AS, RU 9009 2655 246 1381 M247, RO 34984 2307 361 609 TELLCOM-AS, TR 58224 1832 946 535 TCI, IR 6849 1800 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 11529 3371 601 UNINET, MX 10620 3531 507 841 Telmex Colombia S.A., CO 13999 2392 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 6503 1304 344 511 Axtel, S.A.B. de C.V., MX 3816 1301 767 167 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 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 1310 1518 283 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1053 67 46 ORANGE-COTE-IVOIRE, CI 36935 921 521 43 Vodafone-, EG 6713 548 1861 34 IAM-AS, MA 15399 524 54 47 WANANCHI-, KE 24757 489 73 5 EthioNet-AS, ET 37342 469 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 11529 3371 601 UNINET, MX 9808 9510 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8678 10890 3112 AMAZON-02, US 12479 7298 1706 141 UNI2-AS, ES 7545 5680 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4519 300 614 CABLEONE, US 18403 4218 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4169 288 86 VIASAT-SP-BACKBONE, US 20940 4088 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 9510 9473 CHINAMOBILE-CN China Mobile Communications Grou 12479 7298 7157 UNI2-AS, ES 16509 8678 5566 AMAZON-02, US 7545 5680 4989 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 4088 3929 AKAMAI-ASN1, NL 11492 4519 3905 CABLEONE, US 7552 3674 3653 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 /15:2104 /16:13418 /17:8183 /18:13710 /19:24870 /20:43201 /21:51058 /22:109347 /23:98149 /24:553334 /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 6386 7298 UNI2-AS, ES 8151 5452 11529 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3428 4519 CABLEONE, US 6327 3334 3524 SHAW, CA 7155 3118 4169 VIASAT-SP-BACKBONE, US 8551 2935 3466 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 3:226 4:5 5:4508 6:130 7:6 8:1513 9:1 11:172 12:1516 13:387 14:2311 15:301 16:194 17:374 18:501 20:260 21:4 22:188 23:6342 24:2522 25:6 27:2507 29:19 31:2512 32:78 34:23 35:111 36:1976 37:4679 38:4987 39:827 40:151 41:4016 42:1993 43:2317 44:308 45:16591 46:4342 47:376 49:1755 50:1855 51:585 52:1593 54:394 55:977 56:8 57:120 58:1815 59:1109 60:985 61:2510 62:2665 63:1904 64:5611 65:2319 66:4990 67:3045 68:1353 69:4093 70:1208 71:676 72:2987 74:2622 75:1564 76:611 77:2445 78:1819 79:2983 80:2115 81:1785 82:1505 83:1254 84:1534 85:2996 86:760 87:2002 88:1180 89:3749 90:614 91:7765 92:2042 93:2602 94:3568 95:4028 96:1311 97:341 98:1135 99:736 100:94 101:1310 102:2827 103:31618 104:4550 105:505 106:884 107:2566 108:1080 109:4227 110:2098 111:3131 112:2028 113:1738 114:1633 115:1976 116:1892 117:2578 118:2611 119:1975 120:1784 121:1075 122:2608 123:2126 124:1576 125:2473 128:1396 129:1040 130:1006 131:1967 132:839 133:419 134:1794 135:309 136:889 137:951 138:2544 139:1549 140:1246 141:1365 142:1456 143:1512 144:1032 145:341 146:1946 147:1582 148:2404 149:2178 150:873 151:1163 152:1959 153:495 154:4621 155:1388 156:1791 157:1312 158:1082 159:2247 160:2585 161:1556 162:3507 163:1546 164:1594 165:1871 166:1073 167:1723 168:3838 169:947 170:4621 171:873 172:3635 173:2956 174:1082 175:1189 176:3761 177:4524 178:3612 179:2165 180:2453 181:3477 182:3393 183:2009 184:2324 185:20422 186:4805 187:4058 188:4100 189:3695 190:9229 191:1390 192:10897 193:8926 194:7324 195:5134 196:3209 197:2378 198:5901 199:6093 200:7914 201:5926 202:10260 203:10099 204:4558 205:3703 206:4270 207:3369 208:4124 209:4895 210:4169 211:2441 212:4258 213:3609 214:1082 215:59 216:6650 217:2767 218:1274 219:414 220:1759 221:963 222:683 223:2155 End of report