IPv4 R&E Routing Table Report 23:05 GMT Wed 07 Aug, 2024 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: 947358 Prefixes after maximum aggregation (per Origin AS): 362984 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 464767 Number of IPv4 prefixes with a valid ROA: 489997 Number of IPv4 prefixes with an invalid ROA: 1384 Number of IPv4 prefixes with no ROA: 455977 Total ASes present in the Internet Routing Table: 75837 Prefixes per ASN: 12.49 Origin-only ASes present in the Internet Routing Table: 65220 Origin ASes announcing only one prefix: 26713 Transit ASes present in the Internet Routing Table: 10617 Transit-only ASes present in the Internet Routing Table: 508 Paths with bogon ASNs present in the IPv4 Routing Table: 15 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 93 Max AS path prepend of ASN ( 37447) 86 Prefixes from unregistered ASNs in the Routing Table: 976 Number of instances of unregistered ASNs: 983 Number of 32-bit ASNs allocated by the RIRs: 45098 Number of 32-bit ASNs visible in the Routing Table: 36792 Prefixes from 32-bit ASNs in the Routing Table: 189202 Number of bogon 32-bit ASNs visible in the Routing Table: 29 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 557 Number of addresses announced to Internet: 3025200896 Equivalent to 180 /8s, 80 /16s and 231 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.7 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: 311116 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 249885 Total APNIC prefixes after maximum aggregation: 74200 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 242265 Unique aggregates announced from the APNIC address blocks: 102092 APNIC Region origin ASes present in the Internet Routing Table: 14206 APNIC Prefixes per ASN: 17.05 APNIC Region origin ASes announcing only one prefix: 4321 APNIC Region transit ASes present in the Internet Routing Table: 1888 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 34 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9676 Number of APNIC addresses announced to Internet: 761345280 Equivalent to 45 /8s, 97 /16s and 53 /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: 277351 Total ARIN prefixes after maximum aggregation: 125364 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 281341 Unique aggregates announced from the ARIN address blocks: 134780 ARIN Region origin ASes present in the Internet Routing Table: 19085 ARIN Prefixes per ASN: 14.74 ARIN Region origin ASes announcing only one prefix: 6959 ARIN Region transit ASes present in the Internet Routing Table: 1888 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 24 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4952 Number of ARIN addresses announced to Internet: 1266134016 Equivalent to 75 /8s, 119 /16s and 172 /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, 393216-402332 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: 265361 Total RIPE prefixes after maximum aggregation: 128010 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 260959 Unique aggregates announced from the RIPE address blocks: 165707 RIPE Region origin ASes present in the Internet Routing Table: 28648 RIPE Prefixes per ASN: 9.11 RIPE Region origin ASes announcing only one prefix: 12112 RIPE Region transit ASes present in the Internet Routing Table: 3897 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11900 Number of RIPE addresses announced to Internet: 714600960 Equivalent to 42 /8s, 151 /16s and 242 /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: 121974 Total LACNIC prefixes after maximum aggregation: 28486 LACNIC Deaggregation factor: 4.28 Prefixes being announced from the LACNIC address blocks: 119915 Unique aggregates announced from the LACNIC address blocks: 47863 LACNIC Region origin ASes present in the Internet Routing Table: 11136 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2652 LACNIC Region transit ASes present in the Internet Routing Table: 2431 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: 9035 Number of LACNIC addresses announced to Internet: 178031360 Equivalent to 10 /8s, 156 /16s and 139 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 31811 Total AfriNIC prefixes after maximum aggregation: 6279 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 42321 Unique aggregates announced from the AfriNIC address blocks: 13863 AfriNIC Region origin ASes present in the Internet Routing Table: 1865 AfriNIC Prefixes per ASN: 22.69 AfriNIC Region origin ASes announcing only one prefix: 669 AfriNIC Region transit ASes present in the Internet Routing Table: 356 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 93 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1229 Number of AfriNIC addresses announced to Internet: 104735488 Equivalent to 6 /8s, 62 /16s and 35 /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 9865 8746 74 CHINAMOBILE-CN China Mobile Communication 7545 5667 840 661 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4239 347 23 FPT-AS-AP FPT Telecom Company, VN 7552 3967 1331 22 VIETEL-AS-AP Viettel Group, VN 9498 3793 511 263 BBIL-AP BHARTI Airtel Ltd., IN 7713 3647 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3244 1841 106 VNPT-AS-VN VNPT Corp, VN 24560 2818 860 442 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2197 434 200 TATACOMM-AS TATA Communications formerly 45090 2189 1438 79 TENCENT-NET-AP Shenzhen Tencent Computer 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 10457 11580 3700 AMAZON-02, US 11492 4627 308 547 CABLEONE, US 7155 4166 287 88 VIASAT-SP-BACKBONE, US 174 3942 8785 885 COGENT-174, US 6327 3595 1320 79 SHAW, CA 22773 3424 3037 187 ASN-CXA-ALL-CCI-22773-RDC, US 749 3256 54898 2508 DNIC-AS-00749, US 7018 2968 23680 1860 ATT-INTERNET4, US 16625 2963 1270 2143 AKAMAI-AS, US 396982 2769 3584 416 GOOGLE-CLOUD-PLATFORM, 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 7711 1708 145 UNI2-AS, ES 39891 4406 265 62 ALJAWWALSTC-AS, SA 20940 3808 3396 129 AKAMAI-ASN1, NL 9009 3606 307 1845 M247, RO 12389 2862 2291 857 ROSTELECOM-AS, RU 34984 2337 361 583 TELLCOM-AS, TR 8551 1787 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Internet 212238 1753 125 1287 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1579 1852 14 TE-AS TE-AS, EG 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 11852 3288 520 UNINET, MX 10620 3531 493 934 Telmex Colombia S.A., CO 13999 2550 619 39 Mega Cable, S.A. de C.V., MX 11830 2005 369 64 Instituto Costarricense de Electricidad y 28573 1342 2310 258 Claro NXT Telecomunicacoes Ltda, BR 3816 1315 768 202 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO 6503 1127 314 483 Axtel, S.A.B. de C.V., MX 19037 1084 278 31 AMX Argentina S.A., AR 26615 1084 2503 53 TIM SA, BR 22884 1071 98 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 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 1614 389 16 LINKdotNET-AS, EG 24835 1555 593 29 RAYA-AS, EG 36992 1412 1519 283 ETISALAT-MISR, EG 29571 1311 83 77 ORANGE-COTE-IVOIRE, CI 36903 1248 554 95 MT-MPLS, MA 36935 939 521 42 Vodafone-, EG 6713 555 1861 35 IAM-AS, MA 36914 535 82 3 KENET-AS, KE 37342 517 32 1 MOVITEL, MZ 15399 510 56 58 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 11852 3288 520 UNINET, MX 16509 10457 11580 3700 AMAZON-02, US 9808 9865 8746 74 CHINAMOBILE-CN China Mobile Communication 12479 7711 1708 145 UNI2-AS, ES 7545 5667 840 661 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4627 308 547 CABLEONE, US 39891 4406 265 62 ALJAWWALSTC-AS, SA 18403 4239 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4166 287 88 VIASAT-SP-BACKBONE, US 7552 3967 1331 22 VIETEL-AS-AP Viettel Group, VN 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 9865 9791 CHINAMOBILE-CN China Mobile Communications Grou 12479 7711 7566 UNI2-AS, ES 16509 10457 6757 AMAZON-02, US 7545 5667 5006 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4406 4344 ALJAWWALSTC-AS, SA 18403 4239 4216 FPT-AS-AP FPT Telecom Company, VN 11492 4627 4080 CABLEONE, US 7155 4166 4078 VIASAT-SP-BACKBONE, US 7552 3967 3945 VIETEL-AS-AP Viettel Group, VN 20940 3808 3679 AKAMAI-ASN1, NL 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 33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D 40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, 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 3356 LEVEL3, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US 14.192.20.0/22 Transit: 6939 HURRICANE, US 23.137.192.0/24 Origin: 31798 DATACITY, CA 23.137.192.0/24 Transit: 6461 ZAYO-6461, US 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 23.152.48.0/24 Origin: 46167 RESERVED, ZZ 23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US 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 /9:16 /10:37 /11:92 /12:294 /13:574 /14:1163 /15:2051 /16:13094 /17:8122 /18:13554 /19:24331 /20:43134 /21:51254 /22:110909 /23:99029 /24:579680 /25:0 /26:0 /27:0 /28:0 /29:1 /30:7 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6797 7711 UNI2-AS, ES 8151 5940 11852 UNINET, MX 11492 3538 4627 CABLEONE, US 6327 3392 3595 SHAW, CA 39891 3232 4406 ALJAWWALSTC-AS, SA 7155 3111 4166 VIASAT-SP-BACKBONE, US 22773 2561 3424 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2167 2505 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2160 3531 Telmex Colombia S.A., CO 16509 2149 10457 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2279 2:1503 3:392 4:6 5:4380 6:162 7:6 8:1508 9:1 11:172 12:1433 13:362 14:2357 15:324 16:258 17:363 18:858 20:405 21:4 22:188 23:6874 24:2688 25:2 27:2607 29:19 31:2634 32:44 34:67 35:137 36:2344 37:4491 38:8268 39:913 40:150 41:4100 42:2018 43:2403 44:330 45:17392 46:4557 47:300 49:1971 50:1849 51:579 52:1580 54:317 55:949 56:8 57:214 58:2154 59:1199 60:1060 61:2688 62:2764 63:1854 64:5417 65:2274 66:4618 67:3007 68:1347 69:4019 70:1154 71:552 72:2858 74:2632 75:1560 76:614 77:2499 78:1786 79:1796 80:2189 81:2014 82:1662 83:1366 84:1698 85:3159 86:937 87:2026 88:1246 89:4190 90:698 91:8173 92:2371 93:2652 94:3733 95:4205 96:1275 97:316 98:1048 99:739 100:73 101:1160 102:3312 103:32256 104:4716 105:695 106:1008 107:2483 108:1160 109:4056 110:2136 111:3224 112:2054 113:1806 114:1817 115:2043 116:1945 117:2642 118:2812 119:1982 120:1797 121:1297 122:2700 123:2251 124:1609 125:2830 126:64 128:1359 129:928 130:1177 131:1860 132:812 133:429 134:1656 135:310 136:1125 137:1058 138:2856 139:1527 140:1416 141:1388 142:1667 143:1630 144:1023 145:362 146:2095 147:2023 148:2552 149:2762 150:1044 151:1357 152:2231 153:521 154:6441 155:1433 156:2351 157:1883 158:1175 159:2423 160:2962 161:1704 162:3546 163:1735 164:1678 165:2146 166:1262 167:1833 168:4039 169:800 170:4923 171:1034 172:3886 173:3074 174:901 175:1248 176:3445 177:4673 178:3631 179:2232 180:2422 181:3802 182:3329 183:1980 184:2262 185:20933 186:4972 187:4393 188:4090 189:4153 190:9499 191:1520 192:11015 193:9219 194:7476 195:5301 196:3197 197:2716 198:5917 199:8028 200:8062 201:6253 202:10220 203:10330 204:4539 205:3656 206:4444 207:3532 208:4149 209:5020 210:4519 211:2540 212:4390 213:3635 214:1060 215:49 216:6726 217:2940 218:1329 219:432 220:1808 221:1035 222:699 223:2220 End of report