IPv4 R&E Routing Table Report 23:05 GMT Thu 28 Nov, 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: 962005 Prefixes after maximum aggregation (per Origin AS): 367845 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 471261 Number of IPv4 prefixes with a valid ROA: 512986 Number of IPv4 prefixes with an invalid ROA: 1161 Number of IPv4 prefixes with no ROA: 447858 Total ASes present in the Internet Routing Table: 76289 Prefixes per ASN: 12.61 Origin-only ASes present in the Internet Routing Table: 65552 Origin ASes announcing only one prefix: 26807 Transit ASes present in the Internet Routing Table: 10737 Transit-only ASes present in the Internet Routing Table: 505 Paths with bogon ASNs present in the IPv4 Routing Table: 18 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 77 Max AS path prepend of ASN ( 37447) 73 Prefixes from unregistered ASNs in the Routing Table: 1042 Number of instances of unregistered ASNs: 1056 Number of 32-bit ASNs allocated by the RIRs: 45925 Number of 32-bit ASNs visible in the Routing Table: 37447 Prefixes from 32-bit ASNs in the Routing Table: 195195 Number of bogon 32-bit ASNs visible in the Routing Table: 37 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 478 Number of addresses announced to Internet: 3025236224 Equivalent to 180 /8s, 81 /16s and 113 /24s Percentage of available address space announced: 81.7 Percentage of allocated address space announced: 81.6 Percentage of available address space allocated: 100.1 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 315607 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 253205 Total APNIC prefixes after maximum aggregation: 75230 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 245511 Unique aggregates announced from the APNIC address blocks: 101737 APNIC Region origin ASes present in the Internet Routing Table: 14394 APNIC Prefixes per ASN: 17.06 APNIC Region origin ASes announcing only one prefix: 4404 APNIC Region transit ASes present in the Internet Routing Table: 1903 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9896 Number of APNIC addresses announced to Internet: 755544576 Equivalent to 45 /8s, 8 /16s and 178 /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: 282310 Total ARIN prefixes after maximum aggregation: 126269 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 284562 Unique aggregates announced from the ARIN address blocks: 136229 ARIN Region origin ASes present in the Internet Routing Table: 19157 ARIN Prefixes per ASN: 14.85 ARIN Region origin ASes announcing only one prefix: 6968 ARIN Region transit ASes present in the Internet Routing Table: 1909 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5067 Number of ARIN addresses announced to Internet: 1265955584 Equivalent to 75 /8s, 116 /16s and 243 /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: 268752 Total RIPE prefixes after maximum aggregation: 130077 RIPE Deaggregation factor: 2.07 Prefixes being announced from the RIPE address blocks: 265815 Unique aggregates announced from the RIPE address blocks: 169463 RIPE Region origin ASes present in the Internet Routing Table: 28785 RIPE Prefixes per ASN: 9.23 RIPE Region origin ASes announcing only one prefix: 12111 RIPE Region transit ASes present in the Internet Routing Table: 3919 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12131 Number of RIPE addresses announced to Internet: 721790720 Equivalent to 43 /8s, 5 /16s and 167 /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: 122660 Total LACNIC prefixes after maximum aggregation: 29085 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120243 Unique aggregates announced from the LACNIC address blocks: 48703 LACNIC Region origin ASes present in the Internet Routing Table: 11153 LACNIC Prefixes per ASN: 10.78 LACNIC Region origin ASes announcing only one prefix: 2627 LACNIC Region transit ASes present in the Internet Routing Table: 2476 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: 9080 Number of LACNIC addresses announced to Internet: 177505280 Equivalent to 10 /8s, 148 /16s and 132 /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: 34036 Total AfriNIC prefixes after maximum aggregation: 6537 AfriNIC Deaggregation factor: 5.21 Prefixes being announced from the AfriNIC address blocks: 45396 Unique aggregates announced from the AfriNIC address blocks: 14726 AfriNIC Region origin ASes present in the Internet Routing Table: 1914 AfriNIC Prefixes per ASN: 23.72 AfriNIC Region origin ASes announcing only one prefix: 697 AfriNIC Region transit ASes present in the Internet Routing Table: 358 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 77 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1273 Number of AfriNIC addresses announced to Internet: 104180736 Equivalent to 6 /8s, 53 /16s and 172 /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 10067 8752 85 CHINAMOBILE-CN China Mobile Communication 7545 6158 842 661 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4537 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 3931 516 289 BBIL-AP BHARTI Airtel Ltd., IN 7552 3908 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3689 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3247 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2799 835 543 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2216 434 194 TATACOMM-AS TATA Communications formerly 45090 2206 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 11098 11970 3932 AMAZON-02, US 11492 4677 311 552 CABLEONE, US 174 4620 8765 892 COGENT-174, US 7155 4168 287 85 VIASAT-SP-BACKBONE, US 6327 3606 1320 79 SHAW, CA 22773 3403 3036 186 ASN-CXA-ALL-CCI-22773-RDC, US 749 3261 54895 2508 DNIC-AS-00749, US 7018 3216 23568 2051 ATT-INTERNET4, US 396982 2882 3655 431 GOOGLE-CLOUD-PLATFORM, US 16625 2807 1224 2098 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 7672 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3881 3395 125 AKAMAI-ASN1, NL 9009 3668 316 1861 M247, RO 12389 2941 2294 880 ROSTELECOM-AS, RU 34984 2342 360 574 TELLCOM-AS, TR 212238 1835 133 1355 CDNEXT, GB 8452 1615 1852 14 TE-AS TE-AS, EG 13188 1606 100 33 TRIOLAN, UA 62240 1490 98 746 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 11474 3222 606 UNINET, MX 10620 3542 494 942 Telmex Colombia S.A., CO 13999 2535 537 371 Mega Cable, S.A. de C.V., MX 11830 1993 369 64 Instituto Costarricense de Electricidad y 28573 1334 2310 261 Claro NXT Telecomunicacoes Ltda, BR 3816 1325 782 203 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1155 374 163 Axtel, S.A.B. de C.V., MX 6147 1115 371 22 Telefonica del Peru S.A.A., PE 22884 1065 98 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1020 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 1659 593 29 RAYA-AS, EG 24863 1650 389 16 LINKdotNET-AS, EG 36992 1421 1518 288 ETISALAT-MISR, EG 29571 1419 90 58 ORANGE-COTE-IVOIRE, CI 36903 1249 554 96 MT-MPLS, MA 36935 1015 523 46 Vodafone-, EG 20011 942 165 258 INTERNET-SOLUTIONS, ZA 37069 882 1083 15 MOBINIL, EG 6713 559 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 8151 11474 3222 606 UNINET, MX 16509 11098 11970 3932 AMAZON-02, US 9808 10067 8752 85 CHINAMOBILE-CN China Mobile Communication 12479 7672 1709 143 UNI2-AS, ES 7545 6158 842 661 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4677 311 552 CABLEONE, US 174 4620 8765 892 COGENT-174, US 18403 4537 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4168 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 9808 10067 9982 CHINAMOBILE-CN China Mobile Communications Grou 12479 7672 7529 UNI2-AS, ES 16509 11098 7166 AMAZON-02, US 7545 6158 5497 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4537 4514 FPT-AS-AP FPT Telecom Company, VN 11492 4677 4125 CABLEONE, US 7155 4168 4083 VIASAT-SP-BACKBONE, US 7552 3908 3883 VIETEL-AS-AP Viettel Group, VN 20940 3881 3756 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: 3491 CONSOLE-CONNECT-ASN, US 23.139.32.0/24 Origin: 14727 RESERVED, ZZ 23.139.32.0/24 Transit: 174 COGENT-174, 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 /10:36 /11:91 /12:295 /13:573 /14:1169 /15:2051 /16:13109 /17:8146 /18:13581 /19:24276 /20:43903 /21:51735 /22:111544 /23:99484 /24:591980 /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 6662 7672 UNI2-AS, ES 8151 5673 11474 UNINET, MX 11492 3555 4677 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3401 3606 SHAW, CA 7155 3112 4168 VIASAT-SP-BACKBONE, US 22773 2535 3403 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2270 11098 AMAZON-02, US 30036 2205 2545 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2172 3542 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) ---------------------------------------------- 1:2279 2:1539 3:527 4:8 5:4611 6:166 7:6 8:1490 9:1 11:172 12:1410 13:368 14:2464 15:337 16:269 17:359 18:905 20:447 21:4 22:188 23:7040 24:2649 25:2 27:2661 29:19 31:3018 32:38 34:73 35:172 36:2386 37:4502 38:9025 39:891 40:149 41:4154 42:2181 43:2460 44:340 45:17751 46:4889 47:295 49:2004 50:1856 51:586 52:1575 54:316 55:949 56:8 57:230 58:2233 59:1180 60:1153 61:2787 62:2834 63:1839 64:5412 65:2270 66:4613 67:3018 68:1287 69:3996 70:1115 71:589 72:2858 74:2781 75:1631 76:635 77:2552 78:1845 79:1610 80:2197 81:2044 82:1777 83:1460 84:1763 85:3184 86:969 87:2162 88:1253 89:4410 90:732 91:8252 92:2646 93:2844 94:3856 95:4213 96:1243 97:313 98:1065 99:734 100:71 101:1409 102:3446 103:32298 104:4435 105:734 106:983 107:2407 108:1180 109:3968 110:2238 111:3308 112:2037 113:1791 114:1935 115:2165 116:1990 117:2724 118:2867 119:1979 120:1845 121:1352 122:2718 123:2155 124:1615 125:2841 126:62 128:1484 129:933 130:1255 131:1872 132:804 133:448 134:1524 135:321 136:1306 137:1100 138:2862 139:1528 140:1489 141:1449 142:1831 143:1599 144:1024 145:404 146:2100 147:2045 148:2569 149:2823 150:1158 151:1466 152:2105 153:498 154:7335 155:1546 156:2753 157:1856 158:1229 159:2435 160:3345 161:1703 162:3583 163:1767 164:1937 165:2148 166:1340 167:1852 168:4098 169:798 170:5031 171:997 172:3944 173:3140 174:919 175:1270 176:3550 177:4875 178:3708 179:2300 180:2537 181:3940 182:3354 183:2065 184:2264 185:21264 186:5018 187:4210 188:4206 189:4115 190:9574 191:1496 192:11155 193:9254 194:7626 195:5392 196:3203 197:3579 198:5910 199:8219 200:8030 201:6301 202:10240 203:10445 204:4624 205:3645 206:4594 207:3487 208:4217 209:5078 210:4513 211:2523 212:4499 213:3689 214:1058 215:48 216:6567 217:3076 218:1302 219:393 220:2095 221:1051 222:708 223:2283 End of report