IPv4 R&E Routing Table Report 23:05 GMT Mon 13 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: 967732 Prefixes after maximum aggregation (per Origin AS): 369624 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 469781 Number of IPv4 prefixes with a valid ROA: 521089 Number of IPv4 prefixes with an invalid ROA: 1228 Number of IPv4 prefixes with no ROA: 445415 Total ASes present in the Internet Routing Table: 76349 Prefixes per ASN: 12.68 Origin-only ASes present in the Internet Routing Table: 65501 Origin ASes announcing only one prefix: 26840 Transit ASes present in the Internet Routing Table: 10848 Transit-only ASes present in the Internet Routing Table: 513 Paths with bogon ASNs present in the IPv4 Routing Table: 7 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: 1056 Number of instances of unregistered ASNs: 1061 Number of 32-bit ASNs allocated by the RIRs: 46033 Number of 32-bit ASNs visible in the Routing Table: 37579 Prefixes from 32-bit ASNs in the Routing Table: 196940 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: 497 Number of addresses announced to Internet: 3118913280 Equivalent to 185 /8s, 230 /16s and 215 /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: 316311 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254490 Total APNIC prefixes after maximum aggregation: 76005 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 246292 Unique aggregates announced from the APNIC address blocks: 102346 APNIC Region origin ASes present in the Internet Routing Table: 14417 APNIC Prefixes per ASN: 17.08 APNIC Region origin ASes announcing only one prefix: 4411 APNIC Region transit ASes present in the Internet Routing Table: 1929 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 47 Number of APNIC region 32-bit ASNs visible in the Routing Table: 9933 Number of APNIC addresses announced to Internet: 756958976 Equivalent to 45 /8s, 30 /16s and 71 /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: 284975 Total ARIN prefixes after maximum aggregation: 126149 ARIN Deaggregation factor: 2.26 Prefixes being announced from the ARIN address blocks: 286751 Unique aggregates announced from the ARIN address blocks: 132577 ARIN Region origin ASes present in the Internet Routing Table: 19165 ARIN Prefixes per ASN: 14.96 ARIN Region origin ASes announcing only one prefix: 7000 ARIN Region transit ASes present in the Internet Routing Table: 1918 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: 5096 Number of ARIN addresses announced to Internet: 1347109632 Equivalent to 80 /8s, 75 /16s and 67 /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: 269651 Total RIPE prefixes after maximum aggregation: 130860 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 266649 Unique aggregates announced from the RIPE address blocks: 170366 RIPE Region origin ASes present in the Internet Routing Table: 28797 RIPE Prefixes per ASN: 9.26 RIPE Region origin ASes announcing only one prefix: 12088 RIPE Region transit ASes present in the Internet Routing Table: 3952 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: 12182 Number of RIPE addresses announced to Internet: 732784128 Equivalent to 43 /8s, 173 /16s and 102 /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: 123236 Total LACNIC prefixes after maximum aggregation: 29295 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 120642 Unique aggregates announced from the LACNIC address blocks: 48859 LACNIC Region origin ASes present in the Internet Routing Table: 11175 LACNIC Prefixes per ASN: 10.80 LACNIC Region origin ASes announcing only one prefix: 2650 LACNIC Region transit ASes present in the Internet Routing Table: 2496 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: 9105 Number of LACNIC addresses announced to Internet: 177466880 Equivalent to 10 /8s, 147 /16s and 238 /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: 34324 Total AfriNIC prefixes after maximum aggregation: 6653 AfriNIC Deaggregation factor: 5.16 Prefixes being announced from the AfriNIC address blocks: 46901 Unique aggregates announced from the AfriNIC address blocks: 15215 AfriNIC Region origin ASes present in the Internet Routing Table: 1907 AfriNIC Prefixes per ASN: 24.59 AfriNIC Region origin ASes announcing only one prefix: 691 AfriNIC Region transit ASes present in the Internet Routing Table: 366 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: 1263 Number of AfriNIC addresses announced to Internet: 104334592 Equivalent to 6 /8s, 56 /16s and 5 /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 10232 8753 87 CHINAMOBILE-CN China Mobile Communication 7545 6198 842 664 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4389 347 23 FPT-AS-AP FPT Telecom Company, VN 9498 4083 524 274 BBIL-AP BHARTI Airtel Ltd., IN 7552 3916 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 2822 846 546 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2221 434 195 TATACOMM-AS TATA Communications formerly 45090 2171 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 12593 38898 3297 AMAZON-02, US 11492 4692 312 555 CABLEONE, US 7155 4171 287 84 VIASAT-SP-BACKBONE, US 174 4150 8762 871 COGENT-174, US 6327 3615 1320 79 SHAW, CA 22773 3381 3035 183 ASN-CXA-ALL-CCI-22773-RDC, US 749 3261 54895 2508 DNIC-AS-00749, US 396982 2899 3657 443 GOOGLE-CLOUD-PLATFORM, US 16625 2886 1241 2131 AKAMAI-AS, US 7018 2671 23218 1817 ATT-INTERNET4, 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 7666 1709 143 UNI2-AS, ES 39891 4750 290 62 ALJAWWALSTC-AS, SA 20940 3906 3395 125 AKAMAI-ASN1, NL 9009 3734 321 1886 M247, RO 12389 2975 2300 886 ROSTELECOM-AS, RU 34984 2370 360 575 TELLCOM-AS, TR 212238 1895 135 1399 CDNEXT, GB 8452 1611 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1499 99 752 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 11606 3227 606 UNINET, MX 10620 3538 491 953 Telmex Colombia S.A., CO 13999 2535 538 368 Mega Cable, S.A. de C.V., MX 11830 1995 369 64 Instituto Costarricense de Electricidad y 28573 1334 2374 262 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 1114 371 22 Telefonica del Peru S.A.A., PE 22884 1073 98 369 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1003 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 1671 593 29 RAYA-AS, EG 24863 1647 389 18 LINKdotNET-AS, EG 29571 1583 100 96 ORANGE-COTE-IVOIRE, CI 36992 1425 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1001 521 42 Vodafone-, EG 20011 967 179 271 INTERNET-SOLUTIONS, ZA 37069 832 1083 15 MOBINIL, EG 6713 558 1861 35 IAM-AS, MA 36914 542 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 12593 38898 3297 AMAZON-02, US 8151 11606 3227 606 UNINET, MX 9808 10232 8753 87 CHINAMOBILE-CN China Mobile Communication 12479 7666 1709 143 UNI2-AS, ES 7545 6198 842 664 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 290 62 ALJAWWALSTC-AS, SA 11492 4692 312 555 CABLEONE, US 18403 4389 347 23 FPT-AS-AP FPT Telecom Company, VN 7155 4171 287 84 VIASAT-SP-BACKBONE, US 174 4150 8762 871 COGENT-174, 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 11606 11000 UNINET, MX 9808 10232 10145 CHINAMOBILE-CN China Mobile Communications Grou 12479 7666 7523 UNI2-AS, ES 7545 6198 5534 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4750 4688 ALJAWWALSTC-AS, SA 18403 4389 4366 FPT-AS-AP FPT Telecom Company, VN 11492 4692 4137 CABLEONE, US 7155 4171 4087 VIASAT-SP-BACKBONE, US 7552 3916 3891 VIETEL-AS-AP Viettel Group, VN 9498 4083 3809 BBIL-AP BHARTI Airtel Ltd., IN 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 22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, 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 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 23.140.176.0/24 Origin: 40676 AS40676, US 23.140.176.0/24 Transit: 7922 COMCAST-7922, 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 /14:1219 /15:2148 /16:13950 /17:8203 /18:13634 /19:24458 /20:43661 /21:51740 /22:111683 /23:100088 /24:595881 /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 6631 7666 UNI2-AS, ES 8151 5798 11606 UNINET, MX 11492 3554 4692 CABLEONE, US 39891 3441 4750 ALJAWWALSTC-AS, SA 6327 3410 3615 SHAW, CA 7155 3119 4171 VIASAT-SP-BACKBONE, US 22773 2517 3381 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2249 12593 AMAZON-02, US 30036 2233 2572 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) ---------------------------------------------- 1:2297 2:1545 3:547 4:9 5:4507 6:165 7:6 8:1547 9:1 11:172 12:1388 13:355 14:2486 15:334 16:270 17:358 18:905 20:449 21:4 22:188 23:7167 24:2731 25:2 27:2657 29:19 31:3042 32:37 34:72 35:179 36:2396 37:4508 38:9060 39:882 40:154 41:4152 42:2015 43:2501 44:344 45:18069 46:4937 47:292 49:2000 50:1871 51:587 52:1569 54:307 55:1026 56:8 57:234 58:2206 59:1181 60:1160 61:2835 62:2915 63:1828 64:5398 65:2204 66:4620 67:3016 68:1217 69:3989 70:1105 71:602 72:2854 74:2782 75:1637 76:633 77:2593 78:1844 79:1703 80:2207 81:2036 82:1844 83:1415 84:1797 85:3276 86:981 87:2156 88:1272 89:4322 90:756 91:8301 92:2757 93:2842 94:3830 95:4161 96:1267 97:310 98:1001 99:736 100:71 101:1367 102:3487 103:32340 104:4549 105:743 106:1012 107:2603 108:1180 109:4056 110:2226 111:3370 112:2037 113:1791 114:1932 115:2161 116:2021 117:2741 118:2876 119:1948 120:1866 121:1352 122:2727 123:2158 124:1588 125:2868 126:62 128:1569 129:937 130:1243 131:1858 132:801 133:450 134:1511 135:326 136:1311 137:1099 138:2891 139:1567 140:1510 141:1460 142:1819 143:1599 144:1036 145:465 146:2123 147:2032 148:2589 149:2846 150:1199 151:1615 152:2112 153:499 154:7879 155:1538 156:3354 157:1868 158:1255 159:2426 160:3469 161:1783 162:3633 163:1773 164:1684 165:2158 166:1339 167:1860 168:4062 169:793 170:5050 171:1000 172:4002 173:3167 174:915 175:1278 176:3581 177:4837 178:3731 179:2225 180:2524 181:3973 182:3349 183:2077 184:2263 185:21322 186:5108 187:4240 188:4225 189:4099 190:9580 191:1538 192:11205 193:9312 194:7663 195:5415 196:3236 197:3579 198:6005 199:8278 200:8107 201:6272 202:10288 203:10478 204:4559 205:3648 206:4612 207:3484 208:4197 209:5097 210:4535 211:2516 212:4513 213:3730 214:1052 215:48 216:6585 217:3077 218:1331 219:376 220:2108 221:1053 222:720 223:2305 End of report