IPv4 R&E Routing Table Report 23:05 GMT Thu 19 Dec, 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: 965236 Prefixes after maximum aggregation (per Origin AS): 368282 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 467694 Number of IPv4 prefixes with a valid ROA: 518113 Number of IPv4 prefixes with an invalid ROA: 1097 Number of IPv4 prefixes with no ROA: 446026 Total ASes present in the Internet Routing Table: 76341 Prefixes per ASN: 12.64 Origin-only ASes present in the Internet Routing Table: 65559 Origin ASes announcing only one prefix: 26817 Transit ASes present in the Internet Routing Table: 10782 Transit-only ASes present in the Internet Routing Table: 511 Paths with bogon ASNs present in the IPv4 Routing Table: 5 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: 1048 Number of instances of unregistered ASNs: 1053 Number of 32-bit ASNs allocated by the RIRs: 45976 Number of 32-bit ASNs visible in the Routing Table: 37528 Prefixes from 32-bit ASNs in the Routing Table: 195739 Number of bogon 32-bit ASNs visible in the Routing Table: 14 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 488 Number of addresses announced to Internet: 3116038400 Equivalent to 185 /8s, 186 /16s and 249 /24s Percentage of available address space announced: 84.2 Percentage of allocated address space announced: 84.2 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: 316463 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 252954 Total APNIC prefixes after maximum aggregation: 75625 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 245429 Unique aggregates announced from the APNIC address blocks: 102481 APNIC Region origin ASes present in the Internet Routing Table: 14413 APNIC Prefixes per ASN: 17.03 APNIC Region origin ASes announcing only one prefix: 4399 APNIC Region transit ASes present in the Internet Routing Table: 1911 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: 756197888 Equivalent to 45 /8s, 18 /16s and 170 /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: 284853 Total ARIN prefixes after maximum aggregation: 125665 ARIN Deaggregation factor: 2.27 Prefixes being announced from the ARIN address blocks: 286595 Unique aggregates announced from the ARIN address blocks: 131375 ARIN Region origin ASes present in the Internet Routing Table: 19157 ARIN Prefixes per ASN: 14.96 ARIN Region origin ASes announcing only one prefix: 6966 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: 5084 Number of ARIN addresses announced to Internet: 1345542144 Equivalent to 80 /8s, 51 /16s and 88 /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: 268895 Total RIPE prefixes after maximum aggregation: 130551 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 265823 Unique aggregates announced from the RIPE address blocks: 170083 RIPE Region origin ASes present in the Internet Routing Table: 28805 RIPE Prefixes per ASN: 9.23 RIPE Region origin ASes announcing only one prefix: 12107 RIPE Region transit ASes present in the Internet Routing Table: 3936 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: 12157 Number of RIPE addresses announced to Internet: 732570368 Equivalent to 43 /8s, 170 /16s and 35 /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: 123331 Total LACNIC prefixes after maximum aggregation: 29192 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120827 Unique aggregates announced from the LACNIC address blocks: 48650 LACNIC Region origin ASes present in the Internet Routing Table: 11170 LACNIC Prefixes per ASN: 10.82 LACNIC Region origin ASes announcing only one prefix: 2644 LACNIC Region transit ASes present in the Internet Routing Table: 2481 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9096 Number of LACNIC addresses announced to Internet: 177494016 Equivalent to 10 /8s, 148 /16s and 88 /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: 34155 Total AfriNIC prefixes after maximum aggregation: 6593 AfriNIC Deaggregation factor: 5.18 Prefixes being announced from the AfriNIC address blocks: 46074 Unique aggregates announced from the AfriNIC address blocks: 14695 AfriNIC Region origin ASes present in the Internet Routing Table: 1911 AfriNIC Prefixes per ASN: 24.11 AfriNIC Region origin ASes announcing only one prefix: 701 AfriNIC Region transit ASes present in the Internet Routing Table: 358 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1270 Number of AfriNIC addresses announced to Internet: 103976960 Equivalent to 6 /8s, 50 /16s and 144 /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 10094 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6193 842 662 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4500 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 4033 522 281 BBIL-AP BHARTI Airtel Ltd., IN 7552 3912 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3689 1037 73 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3249 1869 100 VNPT-AS-VN VNPT Corp, VN 24560 2803 837 540 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2220 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 12541 38222 3004 AMAZON-02, US 11492 4691 312 556 CABLEONE, US 174 4255 8764 879 COGENT-174, US 7155 4165 287 85 VIASAT-SP-BACKBONE, US 6327 3614 1320 79 SHAW, CA 22773 3391 3035 184 ASN-CXA-ALL-CCI-22773-RDC, US 749 3261 54895 2508 DNIC-AS-00749, US 7018 3232 23508 2062 ATT-INTERNET4, US 396982 2893 3656 438 GOOGLE-CLOUD-PLATFORM, US 16625 2826 1227 2112 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 7705 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3878 3395 125 AKAMAI-ASN1, NL 9009 3689 317 1864 M247, RO 12389 2953 2294 881 ROSTELECOM-AS, RU 34984 2334 358 581 TELLCOM-AS, TR 212238 1847 133 1361 CDNEXT, GB 8452 1626 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1494 98 747 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 11521 3227 605 UNINET, MX 10620 3543 494 942 Telmex Colombia S.A., CO 13999 2538 540 373 Mega Cable, S.A. de C.V., MX 11830 1994 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 1117 371 22 Telefonica del Peru S.A.A., PE 22884 1066 98 374 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1002 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 24863 1651 389 16 LINKdotNET-AS, EG 24835 1649 593 29 RAYA-AS, EG 29571 1460 92 58 ORANGE-COTE-IVOIRE, CI 36992 1425 1518 287 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 999 520 40 Vodafone-, EG 20011 967 179 271 INTERNET-SOLUTIONS, ZA 37069 845 1083 15 MOBINIL, EG 6713 559 1861 35 IAM-AS, MA 36914 535 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 12541 38222 3004 AMAZON-02, US 8151 11521 3227 605 UNINET, MX 9808 10094 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7705 1709 143 UNI2-AS, ES 7545 6193 842 662 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4691 312 556 CABLEONE, US 18403 4500 347 23 FPT-AS-AP FPT Telecom Company, VN 174 4255 8764 879 COGENT-174, US 7155 4165 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 11521 10916 UNINET, MX 9808 10094 10006 CHINAMOBILE-CN China Mobile Communications Grou 12479 7705 7562 UNI2-AS, ES 7545 6193 5531 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4500 4477 FPT-AS-AP FPT Telecom Company, VN 11492 4691 4135 CABLEONE, US 7155 4165 4080 VIASAT-SP-BACKBONE, US 7552 3912 3887 VIETEL-AS-AP Viettel Group, VN 20940 3878 3753 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 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 23.131.12.0/24 Origin: 53343 SCN, US 23.131.12.0/24 Transit: 26006 EXODO, 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 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 /10:42 /11:93 /12:311 /13:589 /14:1221 /15:2148 /16:13933 /17:8192 /18:13621 /19:24482 /20:43665 /21:51699 /22:111524 /23:99811 /24:593873 /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 6677 7705 UNI2-AS, ES 8151 5714 11521 UNINET, MX 11492 3555 4691 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3409 3614 SHAW, CA 7155 3113 4165 VIASAT-SP-BACKBONE, US 22773 2526 3391 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2272 12541 AMAZON-02, US 30036 2222 2561 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2173 3543 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) ---------------------------------------------- 1:2298 2:1557 3:533 4:8 5:4484 6:165 7:6 8:1543 9:1 11:172 12:1398 13:360 14:2470 15:332 16:269 17:359 18:901 20:446 21:4 22:188 23:7152 24:2729 25:2 27:2662 29:19 31:3040 32:37 34:72 35:176 36:2393 37:4483 38:8963 39:880 40:149 41:4169 42:2112 43:2485 44:342 45:17893 46:4979 47:296 49:1990 50:1876 51:587 52:1574 54:315 55:1033 56:8 57:232 58:2210 59:1177 60:1154 61:2833 62:2879 63:1829 64:5407 65:2215 66:4619 67:3020 68:1283 69:3980 70:1106 71:595 72:2853 74:2779 75:1634 76:630 77:2565 78:1849 79:1692 80:2199 81:2036 82:1777 83:1404 84:1779 85:3189 86:971 87:2159 88:1262 89:4344 90:759 91:8248 92:2737 93:2833 94:3839 95:4182 96:1245 97:308 98:1065 99:732 100:71 101:1413 102:3470 103:32325 104:4452 105:744 106:1010 107:2604 108:1183 109:4041 110:2227 111:3309 112:2040 113:1812 114:1935 115:2165 116:2009 117:2686 118:2888 119:1953 120:1856 121:1331 122:2717 123:2159 124:1592 125:2816 126:62 128:1559 129:935 130:1254 131:1862 132:794 133:450 134:1505 135:323 136:1332 137:1097 138:2907 139:1544 140:1513 141:1454 142:1832 143:1582 144:1025 145:406 146:2116 147:2027 148:2585 149:2823 150:1162 151:1478 152:2101 153:500 154:7665 155:1571 156:2925 157:1852 158:1247 159:2429 160:3417 161:1743 162:3604 163:1779 164:1687 165:2150 166:1348 167:1858 168:4092 169:794 170:5091 171:993 172:3996 173:3184 174:913 175:1270 176:3548 177:4870 178:3718 179:2296 180:2525 181:3948 182:3356 183:2088 184:2261 185:21276 186:5043 187:4303 188:4213 189:4171 190:9601 191:1554 192:11187 193:9286 194:7676 195:5407 196:3186 197:3585 198:5962 199:8273 200:7933 201:6301 202:10248 203:10454 204:4608 205:3647 206:4616 207:3480 208:4196 209:5079 210:4483 211:2504 212:4494 213:3751 214:1059 215:48 216:6575 217:3076 218:1321 219:377 220:2109 221:1051 222:676 223:2291 End of report