IPv4 R&E Routing Table Report 23:05 GMT Sat 01 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: 919123 Prefixes after maximum aggregation (per Origin AS): 349438 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 451162 Number of IPv4 prefixes with a valid ROA: 409869 Number of IPv4 prefixes with an invalid ROA: 1688 Number of IPv4 prefixes with no ROA: 507566 Total ASes present in the Internet Routing Table: 74386 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63903 Origin ASes announcing only one prefix: 26287 Transit ASes present in the Internet Routing Table: 10483 Transit-only ASes present in the Internet Routing Table: 442 Paths with bogon ASNs present in the IPv4 Routing Table: 30 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: 1048 Number of instances of unregistered ASNs: 1052 Number of 32-bit ASNs allocated by the RIRs: 42200 Number of 32-bit ASNs visible in the Routing Table: 34726 Prefixes from 32-bit ASNs in the Routing Table: 172568 Number of bogon 32-bit ASNs visible in the Routing Table: 20 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 550 Number of addresses announced to Internet: 3052102144 Equivalent to 181 /8s, 235 /16s and 98 /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: 307891 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 240025 Total APNIC prefixes after maximum aggregation: 68888 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 233945 Unique aggregates announced from the APNIC address blocks: 98540 APNIC Region origin ASes present in the Internet Routing Table: 13391 APNIC Prefixes per ASN: 17.47 APNIC Region origin ASes announcing only one prefix: 3960 APNIC Region transit ASes present in the Internet Routing Table: 1786 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: 8780 Number of APNIC addresses announced to Internet: 772921088 Equivalent to 46 /8s, 17 /16s and 215 /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: 270104 Total ARIN prefixes after maximum aggregation: 123030 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 272523 Unique aggregates announced from the ARIN address blocks: 130642 ARIN Region origin ASes present in the Internet Routing Table: 19071 ARIN Prefixes per ASN: 14.29 ARIN Region origin ASes announcing only one prefix: 6992 ARIN Region transit ASes present in the Internet Routing Table: 1895 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: 4805 Number of ARIN addresses announced to Internet: 1277920768 Equivalent to 76 /8s, 43 /16s and 134 /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: 259876 Total RIPE prefixes after maximum aggregation: 122610 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256268 Unique aggregates announced from the RIPE address blocks: 159423 RIPE Region origin ASes present in the Internet Routing Table: 28338 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12037 RIPE Region transit ASes present in the Internet Routing Table: 3966 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: 11227 Number of RIPE addresses announced to Internet: 717132288 Equivalent to 42 /8s, 190 /16s and 146 /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: 118537 Total LACNIC prefixes after maximum aggregation: 28361 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117690 Unique aggregates announced from the LACNIC address blocks: 49551 LACNIC Region origin ASes present in the Internet Routing Table: 11010 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2678 LACNIC Region transit ASes present in the Internet Routing Table: 2308 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: 8803 Number of LACNIC addresses announced to Internet: 177015552 Equivalent to 10 /8s, 141 /16s and 11 /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: 29533 Total AfriNIC prefixes after maximum aggregation: 5837 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 38147 Unique aggregates announced from the AfriNIC address blocks: 12554 AfriNIC Region origin ASes present in the Internet Routing Table: 1756 AfriNIC Prefixes per ASN: 21.72 AfriNIC Region origin ASes announcing only one prefix: 620 AfriNIC Region transit ASes present in the Internet Routing Table: 326 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: 1111 Number of AfriNIC addresses announced to Internet: 106787840 Equivalent to 6 /8s, 93 /16s and 116 /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 9504 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5681 784 694 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4214 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3673 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 3043 498 248 BBIL-AP BHARTI Airtel Ltd., IN 24560 2434 837 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2309 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 8687 10888 3136 AMAZON-02, US 11492 4519 300 614 CABLEONE, US 7155 4169 288 86 VIASAT-SP-BACKBONE, US 22773 3539 3053 266 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1319 66 SHAW, CA 749 3124 54969 2376 DNIC-AS-00749, US 16625 3121 1550 2347 AKAMAI-AS, US 367 2733 3744 1309 DNIC-ASBLK-00306-00371, US 396982 2669 3594 380 GOOGLE-CLOUD-PLATFORM, US 30036 2498 361 432 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 7293 1706 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4082 3398 159 AKAMAI-ASN1, NL 8551 3465 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2909 2291 910 ROSTELECOM-AS, RU 9009 2662 247 1382 M247, RO 34984 2307 361 609 TELLCOM-AS, TR 6849 1800 307 17 UKRTELNET, UA 58224 1773 881 601 TCI, IR 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 11504 3372 599 UNINET, MX 10620 3530 507 840 Telmex Colombia S.A., CO 13999 2379 355 627 Mega Cable, S.A. de C.V., MX 11830 2270 369 64 Instituto Costarricense de Electricidad 28573 1317 2323 241 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 1127 370 22 Telefonica del Peru S.A.A., PE 11664 1099 177 435 Techtel LMDS Comunicaciones Interactiva 26615 1038 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 1616 393 19 LINKdotNET-AS, EG 24835 1548 533 27 RAYA-AS, EG 36992 1313 1518 282 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1038 67 46 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 524 54 47 WANANCHI-, KE 24757 495 73 5 EthioNet-AS, ET 37342 475 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 11504 3372 599 UNINET, MX 9808 9504 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8687 10888 3136 AMAZON-02, US 12479 7293 1706 141 UNI2-AS, ES 7545 5681 784 694 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4519 300 614 CABLEONE, US 18403 4214 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4169 288 86 VIASAT-SP-BACKBONE, US 20940 4082 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 9504 9467 CHINAMOBILE-CN China Mobile Communications Grou 12479 7293 7152 UNI2-AS, ES 16509 8687 5551 AMAZON-02, US 7545 5681 4987 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4214 4189 FPT-AS-AP FPT Telecom Company, VN 7155 4169 4083 VIASAT-SP-BACKBONE, US 20940 4082 3923 AKAMAI-ASN1, NL 11492 4519 3905 CABLEONE, US 7552 3673 3652 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 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 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 /12:299 /13:574 /14:1195 /15:2103 /16:13412 /17:8168 /18:13706 /19:24860 /20:43024 /21:51046 /22:109334 /23:98079 /24:553143 /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 6381 7293 UNI2-AS, ES 8151 5428 11504 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 2934 3465 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 22773 2610 3539 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2153 2498 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2089 3530 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) ---------------------------------------------- 1:2161 2:1327 3:226 4:5 5:4530 6:129 7:6 8:1514 9:1 11:172 12:1517 13:387 14:2309 15:301 16:194 17:373 18:499 20:260 21:4 22:188 23:6348 24:2591 25:6 27:2518 29:19 31:2509 32:78 34:23 35:112 36:1982 37:4655 38:4981 39:827 40:151 41:3919 42:1996 43:2321 44:302 45:16571 46:4345 47:376 49:1753 50:1854 51:586 52:1597 54:395 55:973 56:8 57:120 58:1815 59:1108 60:982 61:2505 62:2666 63:1903 64:5604 65:2319 66:4991 67:3062 68:1353 69:4112 70:1208 71:676 72:2983 74:2621 75:1565 76:610 77:2438 78:1811 79:2986 80:2113 81:1784 82:1507 83:1250 84:1536 85:3001 86:749 87:2010 88:1174 89:3774 90:614 91:7759 92:2036 93:2599 94:3556 95:4048 96:1311 97:341 98:1136 99:735 100:94 101:1310 102:2818 103:31597 104:4557 105:504 106:884 107:2573 108:1068 109:4221 110:2100 111:3130 112:2049 113:1733 114:1632 115:1973 116:1892 117:2576 118:2611 119:1976 120:1807 121:1076 122:2602 123:2127 124:1576 125:2476 128:1408 129:1044 130:1004 131:1966 132:839 133:422 134:1794 135:309 136:891 137:947 138:2536 139:1552 140:1246 141:1426 142:1452 143:1496 144:1098 145:341 146:1954 147:1585 148:2403 149:2202 150:863 151:1158 152:1956 153:494 154:4631 155:1397 156:1792 157:1314 158:1081 159:2258 160:2563 161:1515 162:3506 163:1544 164:1589 165:1871 166:1074 167:1720 168:3826 169:949 170:4615 171:897 172:3631 173:2961 174:1080 175:1184 176:3744 177:4522 178:3604 179:2164 180:2452 181:3484 182:3395 183:1998 184:2322 185:20392 186:4824 187:4050 188:4092 189:3702 190:9232 191:1373 192:10867 193:8912 194:7281 195:5104 196:3171 197:2375 198:5909 199:6089 200:7917 201:5954 202:10235 203:10106 204:4545 205:3698 206:4268 207:3379 208:4117 209:4892 210:4169 211:2436 212:4232 213:3619 214:1085 215:59 216:6654 217:2761 218:1275 219:412 220:1756 221:962 222:683 223:2155 End of report