IPv4 R&E Routing Table Report 23:05 GMT Tue 04 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: 919195 Prefixes after maximum aggregation (per Origin AS): 349557 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 451312 Number of IPv4 prefixes with a valid ROA: 410637 Number of IPv4 prefixes with an invalid ROA: 1442 Number of IPv4 prefixes with no ROA: 507116 Total ASes present in the Internet Routing Table: 74371 Prefixes per ASN: 12.36 Origin-only ASes present in the Internet Routing Table: 63889 Origin ASes announcing only one prefix: 26288 Transit ASes present in the Internet Routing Table: 10482 Transit-only ASes present in the Internet Routing Table: 450 Paths with bogon ASNs present in the IPv4 Routing Table: 76 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: 42208 Number of 32-bit ASNs visible in the Routing Table: 34707 Prefixes from 32-bit ASNs in the Routing Table: 172704 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: 544 Number of addresses announced to Internet: 3053183744 Equivalent to 181 /8s, 251 /16s and 227 /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: 307880 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239746 Total APNIC prefixes after maximum aggregation: 68757 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 233680 Unique aggregates announced from the APNIC address blocks: 98438 APNIC Region origin ASes present in the Internet Routing Table: 13385 APNIC Prefixes per ASN: 17.46 APNIC Region origin ASes announcing only one prefix: 3966 APNIC Region transit ASes present in the Internet Routing Table: 1790 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: 8776 Number of APNIC addresses announced to Internet: 772795648 Equivalent to 46 /8s, 15 /16s and 237 /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: 269887 Total ARIN prefixes after maximum aggregation: 123249 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 272290 Unique aggregates announced from the ARIN address blocks: 130642 ARIN Region origin ASes present in the Internet Routing Table: 19074 ARIN Prefixes per ASN: 14.28 ARIN Region origin ASes announcing only one prefix: 6994 ARIN Region transit ASes present in the Internet Routing Table: 1896 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: 4806 Number of ARIN addresses announced to Internet: 1278076416 Equivalent to 76 /8s, 45 /16s and 230 /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: 260214 Total RIPE prefixes after maximum aggregation: 122627 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256562 Unique aggregates announced from the RIPE address blocks: 159591 RIPE Region origin ASes present in the Internet Routing Table: 28327 RIPE Prefixes per ASN: 9.06 RIPE Region origin ASes announcing only one prefix: 12033 RIPE Region transit ASes present in the Internet Routing Table: 3962 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 102 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11225 Number of RIPE addresses announced to Internet: 717281792 Equivalent to 42 /8s, 192 /16s and 218 /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: 118550 Total LACNIC prefixes after maximum aggregation: 28360 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 117702 Unique aggregates announced from the LACNIC address blocks: 49596 LACNIC Region origin ASes present in the Internet Routing Table: 10999 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: 2302 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: 8791 Number of LACNIC addresses announced to Internet: 177067520 Equivalent to 10 /8s, 141 /16s and 214 /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: 29753 Total AfriNIC prefixes after maximum aggregation: 5852 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 38417 Unique aggregates announced from the AfriNIC address blocks: 12599 AfriNIC Region origin ASes present in the Internet Routing Table: 1757 AfriNIC Prefixes per ASN: 21.87 AfriNIC Region origin ASes announcing only one prefix: 620 AfriNIC Region transit ASes present in the Internet Routing Table: 328 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: 107639040 Equivalent to 6 /8s, 106 /16s and 113 /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 5681 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4217 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3671 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 2436 837 441 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2309 11270 588 KIXS-AS-KR Korea Telecom, KR 45090 2149 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 8692 10892 3101 AMAZON-02, US 11492 4403 292 778 CABLEONE, US 7155 4163 286 84 VIASAT-SP-BACKBONE, US 22773 3539 3053 266 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3524 1319 66 SHAW, CA 16625 3128 1551 2350 AKAMAI-AS, US 749 3124 54969 2376 DNIC-AS-00749, US 367 2737 3746 1311 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 4087 3398 159 AKAMAI-ASN1, NL 8551 3463 368 33 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2899 2291 910 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 11526 3371 599 UNINET, MX 10620 3531 507 841 Telmex Colombia S.A., CO 13999 2387 355 628 Mega Cable, S.A. de C.V., MX 11830 2232 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 1129 370 22 Telefonica del Peru S.A.A., PE 11664 1100 177 435 Techtel LMDS Comunicaciones Interactiva 26615 1037 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 1620 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 549 1861 34 IAM-AS, MA 15399 524 54 47 WANANCHI-, KE 24757 488 73 5 EthioNet-AS, ET 37342 472 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 11526 3371 599 UNINET, MX 9808 9510 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8692 10892 3101 AMAZON-02, US 12479 7293 1706 141 UNI2-AS, ES 7545 5681 784 691 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4403 292 778 CABLEONE, US 18403 4217 347 25 FPT-AS-AP FPT Telecom Company, VN 7155 4163 286 84 VIASAT-SP-BACKBONE, US 20940 4087 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 7293 7152 UNI2-AS, ES 16509 8692 5591 AMAZON-02, US 7545 5681 4990 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4217 4192 FPT-AS-AP FPT Telecom Company, VN 7155 4163 4079 VIASAT-SP-BACKBONE, US 20940 4087 3928 AKAMAI-ASN1, NL 7552 3671 3650 VIETEL-AS-AP Viettel Group, VN 11492 4403 3625 CABLEONE, US 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 /13:575 /14:1197 /15:2105 /16:13419 /17:8181 /18:13704 /19:24857 /20:43225 /21:51038 /22:109318 /23:98128 /24:552969 /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 5450 11526 UNINET, MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3336 4403 CABLEONE, US 6327 3334 3524 SHAW, CA 7155 3115 4163 VIASAT-SP-BACKBONE, US 8551 2932 3463 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 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) ---------------------------------------------- 1:2155 2:1329 3:226 4:5 5:4525 6:129 7:6 8:1516 9:1 11:172 12:1519 13:387 14:2311 15:301 16:194 17:373 18:501 20:260 21:4 22:188 23:6341 24:2496 25:6 27:2506 29:19 31:2513 32:78 34:23 35:111 36:1979 37:4674 38:4960 39:827 40:151 41:3958 42:1994 43:2308 44:304 45:16605 46:4339 47:376 49:1750 50:1852 51:586 52:1597 54:395 55:962 56:8 57:120 58:1815 59:1103 60:986 61:2509 62:2665 63:1903 64:5599 65:2318 66:4982 67:3043 68:1353 69:4091 70:1208 71:676 72:2971 74:2623 75:1565 76:611 77:2443 78:1817 79:2980 80:2111 81:1785 82:1506 83:1254 84:1535 85:3005 86:759 87:2005 88:1181 89:3777 90:613 91:7762 92:2037 93:2604 94:3570 95:4051 96:1305 97:341 98:1136 99:736 100:94 101:1307 102:2827 103:31542 104:4553 105:505 106:883 107:2571 108:1077 109:4221 110:2096 111:3132 112:2050 113:1737 114:1632 115:1965 116:1890 117:2578 118:2611 119:1975 120:1782 121:1071 122:2568 123:2125 124:1576 125:2474 128:1393 129:1043 130:1006 131:1962 132:837 133:419 134:1793 135:309 136:885 137:944 138:2533 139:1550 140:1245 141:1429 142:1452 143:1507 144:1096 145:341 146:1951 147:1577 148:2403 149:2194 150:869 151:1162 152:1957 153:495 154:4642 155:1393 156:1789 157:1308 158:1072 159:2254 160:2550 161:1555 162:3505 163:1545 164:1591 165:1872 166:1076 167:1722 168:3822 169:947 170:4613 171:872 172:3632 173:2937 174:1064 175:1184 176:3760 177:4562 178:3609 179:2163 180:2454 181:3476 182:3390 183:1995 184:2322 185:20392 186:4801 187:4055 188:4100 189:3691 190:9230 191:1385 192:10885 193:8923 194:7320 195:5125 196:3208 197:2381 198:5912 199:6094 200:7915 201:5918 202:10241 203:10064 204:4556 205:3703 206:4269 207:3368 208:4119 209:4892 210:4168 211:2436 212:4265 213:3610 214:1081 215:59 216:6651 217:2765 218:1274 219:414 220:1756 221:963 222:683 223:2153 End of report