IPv4 R&E Routing Table Report 23:05 GMT Tue 07 Jan, 2025 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: 968003 Prefixes after maximum aggregation (per Origin AS): 369652 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 400962 Number of IPv4 prefixes with a valid ROA: 520762 Number of IPv4 prefixes with an invalid ROA: 1044 Number of IPv4 prefixes with no ROA: 446197 Total ASes present in the Internet Routing Table: 76318 Prefixes per ASN: 12.68 Origin-only ASes present in the Internet Routing Table: 65479 Origin ASes announcing only one prefix: 26799 Transit ASes present in the Internet Routing Table: 10839 Transit-only ASes present in the Internet Routing Table: 516 Paths with bogon ASNs present in the IPv4 Routing Table: 8 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 61 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1049 Number of instances of unregistered ASNs: 1054 Number of 32-bit ASNs allocated by the RIRs: 46018 Number of 32-bit ASNs visible in the Routing Table: 37543 Prefixes from 32-bit ASNs in the Routing Table: 196459 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 491 Number of addresses announced to Internet: 3205011456 Equivalent to 191 /8s, 8 /16s and 152 /24s Percentage of available address space announced: 86.6 Percentage of allocated address space announced: 86.6 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: 316739 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254281 Total APNIC prefixes after maximum aggregation: 76040 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 245857 Unique aggregates announced from the APNIC address blocks: 50630 APNIC Region origin ASes present in the Internet Routing Table: 14410 APNIC Prefixes per ASN: 17.06 APNIC Region origin ASes announcing only one prefix: 4408 APNIC Region transit ASes present in the Internet Routing Table: 1927 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 38 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9921 Number of APNIC addresses announced to Internet: 470048256 Equivalent to 28 /8s, 4 /16s and 94 /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: 285543 Total ARIN prefixes after maximum aggregation: 126438 ARIN Deaggregation factor: 2.26 Prefixes being announced from the ARIN address blocks: 286938 Unique aggregates announced from the ARIN address blocks: 123567 ARIN Region origin ASes present in the Internet Routing Table: 19150 ARIN Prefixes per ASN: 14.98 ARIN Region origin ASes announcing only one prefix: 6974 ARIN Region transit ASes present in the Internet Routing Table: 1920 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5092 Number of ARIN addresses announced to Internet: 1766535680 Equivalent to 105 /8s, 75 /16s and 50 /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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 269373 Total RIPE prefixes after maximum aggregation: 130615 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 266317 Unique aggregates announced from the RIPE address blocks: 165171 RIPE Region origin ASes present in the Internet Routing Table: 28789 RIPE Prefixes per ASN: 9.25 RIPE Region origin ASes announcing only one prefix: 12088 RIPE Region transit ASes present in the Internet Routing Table: 3956 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 47 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12165 Number of RIPE addresses announced to Internet: 714792704 Equivalent to 42 /8s, 154 /16s and 223 /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, 53/8, 57/8, 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: 123200 Total LACNIC prefixes after maximum aggregation: 29282 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 120677 Unique aggregates announced from the LACNIC address blocks: 48801 LACNIC Region origin ASes present in the Internet Routing Table: 11170 LACNIC Prefixes per ASN: 10.80 LACNIC Region origin ASes announcing only one prefix: 2637 LACNIC Region transit ASes present in the Internet Routing Table: 2490 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9099 Number of LACNIC addresses announced to Internet: 177294848 Equivalent to 10 /8s, 145 /16s and 78 /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: 34557 Total AfriNIC prefixes after maximum aggregation: 6619 AfriNIC Deaggregation factor: 5.22 Prefixes being announced from the AfriNIC address blocks: 47723 Unique aggregates announced from the AfriNIC address blocks: 12454 AfriNIC Region origin ASes present in the Internet Routing Table: 1908 AfriNIC Prefixes per ASN: 25.01 AfriNIC Region origin ASes announcing only one prefix: 692 AfriNIC Region transit ASes present in the Internet Routing Table: 367 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1266 Number of AfriNIC addresses announced to Internet: 76083968 Equivalent to 4 /8s, 136 /16s and 243 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 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 10100 8753 87 CHINAMOBILE-CN China Mobile Communication 7545 6197 842 664 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4301 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 4070 131341 175 BBIL-AP BHARTI Airtel Ltd., IN 7552 3912 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3690 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3250 1869 101 VNPT-AS-VN VNPT Corp, VN 24560 2818 845 545 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2221 434 194 TATACOMM-AS TATA Communications formerly 45090 2207 1439 86 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 12607 38848 3288 AMAZON-02, US 11492 4692 312 552 CABLEONE, US 174 4248 8763 869 COGENT-174, US 7155 4169 287 85 VIASAT-SP-BACKBONE, US 6327 3615 1320 79 SHAW, CA 22773 3380 3035 182 ASN-CXA-ALL-CCI-22773-RDC, US 749 3261 54895 2508 DNIC-AS-00749, US 7018 2987 23417 1992 ATT-INTERNET4, US 396982 2894 3656 440 GOOGLE-CLOUD-PLATFORM, US 16625 2870 1234 2126 AKAMAI-AS, 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 7695 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3897 3395 125 AKAMAI-ASN1, NL 9009 3765 323 1905 M247, RO 12389 2965 2299 884 ROSTELECOM-AS, RU 34984 2370 360 575 TELLCOM-AS, TR 212238 1857 133 1370 CDNEXT, GB 13188 1607 100 26 TRIOLAN, UA 8452 1579 1852 14 TE-AS TE-AS, EG 62240 1497 99 750 CLOUVIDER Clouvider - Global ASN, GB 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 11567 3227 605 UNINET, MX 10620 3538 491 953 Telmex Colombia S.A., CO 13999 2531 538 368 Mega Cable, S.A. de C.V., MX 11830 1990 369 64 Instituto Costarricense de Electricidad y 28573 1332 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1329 778 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1170 374 163 Axtel, S.A.B. de C.V., MX 6147 1115 371 22 Telefonica del Peru S.A.A., PE 22884 1074 98 374 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1001 2503 53 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 24835 1669 593 29 RAYA-AS, EG 24863 1636 389 18 LINKdotNET-AS, EG 29571 1497 95 57 ORANGE-COTE-IVOIRE, CI 36992 1426 1518 287 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1017 523 45 Vodafone-, EG 20011 967 179 271 INTERNET-SOLUTIONS, ZA 37069 832 1083 15 MOBINIL, EG 6713 557 1861 35 IAM-AS, MA 36914 539 82 3 KENET-AS, 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 16509 12607 38848 3288 AMAZON-02, US 8151 11567 3227 605 UNINET, MX 9808 10100 8753 87 CHINAMOBILE-CN China Mobile Communication 12479 7695 1709 143 UNI2-AS, ES 7545 6197 842 664 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4692 312 552 CABLEONE, US 18403 4301 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4248 8763 869 COGENT-174, US 7155 4169 287 85 VIASAT-SP-BACKBONE, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 8151 11567 10962 UNINET, MX 9808 10100 10013 CHINAMOBILE-CN China Mobile Communications Grou 12479 7695 7552 UNI2-AS, ES 7545 6197 5533 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4301 4278 FPT-AS-AP FPT Telecom Company, VN 11492 4692 4140 CABLEONE, US 7155 4169 4084 VIASAT-SP-BACKBONE, US 9498 4070 3895 BBIL-AP BHARTI Airtel Ltd., IN 7552 3912 3887 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 400866 UNALLOCATED 2.59.148.0/23 21859 ZEN-ECN, US 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 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: 3491 CONSOLE-CONNECT-ASN, US 23.132.192.0/24 Origin: 30500 WOLFPAWSERVICES, CA 23.132.192.0/24 Transit: 6461 ZAYO-6461, US 23.140.16.0/24 Origin: 63371 RESERVED, ZZ 23.140.16.0/24 Transit: 3356 LEVEL3, US 23.140.48.0/24 Origin: 63371 RESERVED, ZZ 23.140.48.0/24 Transit: 7018 ATT-INTERNET4, US 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, 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 /3:1 /4:0 /5:0 /6:0 /7:0 /8:16 /9:16 /10:42 /11:93 /12:311 /13:590 /14:1219 /15:2150 /16:13943 /17:8173 /18:13638 /19:24426 /20:43699 /21:51777 /22:111597 /23:100080 /24:596232 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6667 7695 UNI2-AS, ES 8151 5760 11567 UNINET, MX 11492 3555 4692 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3410 3615 SHAW, CA 7155 3117 4169 VIASAT-SP-BACKBONE, US 22773 2516 3380 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2258 12607 AMAZON-02, US 30036 2227 2566 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2178 3538 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) ---------------------------------------------- 1:2293 2:1540 3:540 4:9 5:4494 6:164 7:6 8:1553 9:1 11:172 12:1390 13:357 14:2475 15:333 16:270 17:358 18:906 20:446 21:4 22:188 23:7174 24:2730 25:2 27:2658 29:19 31:3038 32:37 34:72 35:176 36:2394 37:4506 38:8995 39:881 40:151 41:4147 42:1985 43:2487 44:344 45:18299 46:4944 47:291 49:2002 50:1868 51:587 52:1574 54:307 55:1029 56:8 57:234 58:2202 59:1181 60:1160 61:2836 62:2905 63:1829 64:5416 65:2206 66:4618 67:3022 68:1267 69:3986 70:1105 71:599 72:2854 74:2774 75:1634 76:627 77:2588 78:1844 79:1688 80:2210 81:2034 82:1803 83:1414 84:1794 85:3272 86:976 87:2146 88:1263 89:4313 90:758 91:8295 92:2678 93:2832 94:3830 95:4173 96:1257 97:308 98:1048 99:732 100:72 101:1369 102:3749 103:32353 104:4517 105:748 106:1012 107:2600 108:1183 109:4063 110:2223 111:3328 112:2036 113:1788 114:1936 115:2160 116:2018 117:2686 118:2871 119:1950 120:1860 121:1331 122:2722 123:2163 124:1586 125:2856 126:62 128:1563 129:938 130:1238 131:1859 132:800 133:450 134:1514 135:323 136:1332 137:1098 138:2890 139:1554 140:1512 141:1445 142:1823 143:1589 144:1037 145:466 146:2117 147:2034 148:2590 149:2838 150:1195 151:1587 152:2110 153:500 154:8128 155:1584 156:3505 157:1864 158:1255 159:2429 160:3456 161:1771 162:3618 163:1770 164:1680 165:2154 166:1344 167:1858 168:4073 169:798 170:5056 171:1000 172:3995 173:3190 174:915 175:1277 176:3573 177:4874 178:3721 179:2235 180:2525 181:3965 182:3349 183:2068 184:2258 185:21298 186:5060 187:4249 188:4234 189:4122 190:9569 191:1547 192:11201 193:9297 194:7669 195:5411 196:3246 197:3619 198:5997 199:8282 200:8035 201:6279 202:10318 203:10466 204:4557 205:3657 206:4611 207:3488 208:4191 209:5086 210:4481 211:2507 212:4513 213:3748 214:1055 215:48 216:6599 217:3079 218:1327 219:376 220:2108 221:1050 222:716 223:2289 End of report