IPv4 R&E Routing Table Report 23:05 GMT Mon 10 Feb, 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: 971421 Prefixes after maximum aggregation (per Origin AS): 372125 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 474167 Number of IPv4 prefixes with a valid ROA: 528970 Number of IPv4 prefixes with an invalid ROA: 1024 Number of IPv4 prefixes with no ROA: 441427 Total ASes present in the Internet Routing Table: 76448 Prefixes per ASN: 12.71 Origin-only ASes present in the Internet Routing Table: 65609 Origin ASes announcing only one prefix: 26863 Transit ASes present in the Internet Routing Table: 10839 Transit-only ASes present in the Internet Routing Table: 521 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: 72 Max AS path prepend of ASN ( 37447) 66 Prefixes from unregistered ASNs in the Routing Table: 1031 Number of instances of unregistered ASNs: 1036 Number of 32-bit ASNs allocated by the RIRs: 46100 Number of 32-bit ASNs visible in the Routing Table: 37747 Prefixes from 32-bit ASNs in the Routing Table: 198537 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: 480 Number of addresses announced to Internet: 3111436544 Equivalent to 185 /8s, 116 /16s and 193 /24s Percentage of available address space announced: 84.0 Percentage of allocated address space announced: 84.0 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: 318178 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 255253 Total APNIC prefixes after maximum aggregation: 76448 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 246780 Unique aggregates announced from the APNIC address blocks: 102654 APNIC Region origin ASes present in the Internet Routing Table: 14453 APNIC Prefixes per ASN: 17.07 APNIC Region origin ASes announcing only one prefix: 4421 APNIC Region transit ASes present in the Internet Routing Table: 1938 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: 9974 Number of APNIC addresses announced to Internet: 753281024 Equivalent to 44 /8s, 230 /16s and 40 /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: 285608 Total ARIN prefixes after maximum aggregation: 127176 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 287097 Unique aggregates announced from the ARIN address blocks: 135133 ARIN Region origin ASes present in the Internet Routing Table: 19175 ARIN Prefixes per ASN: 14.97 ARIN Region origin ASes announcing only one prefix: 7018 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: 5132 Number of ARIN addresses announced to Internet: 1343305472 Equivalent to 80 /8s, 17 /16s and 55 /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: 271193 Total RIPE prefixes after maximum aggregation: 131833 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 268326 Unique aggregates announced from the RIPE address blocks: 171784 RIPE Region origin ASes present in the Internet Routing Table: 28828 RIPE Prefixes per ASN: 9.31 RIPE Region origin ASes announcing only one prefix: 12063 RIPE Region transit ASes present in the Internet Routing Table: 3961 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 30 Number of RIPE region 32-bit ASNs visible in the Routing Table: 12247 Number of RIPE addresses announced to Internet: 732424192 Equivalent to 43 /8s, 167 /16s and 232 /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: 123270 Total LACNIC prefixes after maximum aggregation: 29224 LACNIC Deaggregation factor: 4.22 Prefixes being announced from the LACNIC address blocks: 120619 Unique aggregates announced from the LACNIC address blocks: 48863 LACNIC Region origin ASes present in the Internet Routing Table: 11195 LACNIC Prefixes per ASN: 10.77 LACNIC Region origin ASes announcing only one prefix: 2665 LACNIC Region transit ASes present in the Internet Routing Table: 2482 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: 9127 Number of LACNIC addresses announced to Internet: 177772288 Equivalent to 10 /8s, 152 /16s and 151 /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: 35066 Total AfriNIC prefixes after maximum aggregation: 6794 AfriNIC Deaggregation factor: 5.16 Prefixes being announced from the AfriNIC address blocks: 48119 Unique aggregates announced from the AfriNIC address blocks: 15327 AfriNIC Region origin ASes present in the Internet Routing Table: 1909 AfriNIC Prefixes per ASN: 25.21 AfriNIC Region origin ASes announcing only one prefix: 696 AfriNIC Region transit ASes present in the Internet Routing Table: 374 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 72 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1267 Number of AfriNIC addresses announced to Internet: 104393216 Equivalent to 6 /8s, 56 /16s and 234 /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 10334 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6211 843 665 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4237 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4212 529 273 BBIL-AP BHARTI Airtel Ltd., IN 7552 3918 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3685 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3256 1869 102 VNPT-AS-VN VNPT Corp, VN 24560 2844 854 533 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2216 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 12717 38946 3710 AMAZON-02, US 11492 4698 312 553 CABLEONE, US 7155 4180 287 86 VIASAT-SP-BACKBONE, US 6327 3623 1320 81 SHAW, CA 174 3584 8757 879 COGENT-174, US 22773 3379 3035 184 ASN-CXA-ALL-CCI-22773-RDC, US 749 3260 54879 2507 DNIC-AS-00749, US 396982 2922 3659 447 GOOGLE-CLOUD-PLATFORM, US 16625 2911 1248 2147 AKAMAI-AS, US 30036 2582 359 270 MEDIACOM-ENTERPRISE-BUSINESS, 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 7746 1715 146 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3889 3395 126 AKAMAI-ASN1, NL 9009 3736 321 1923 M247, RO 12389 2983 2302 890 ROSTELECOM-AS, RU 34984 2368 361 579 TELLCOM-AS, TR 212238 1922 139 1418 CDNEXT, GB 8452 1615 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1487 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 11704 3200 605 UNINET, MX 10620 3543 492 951 Telmex Colombia S.A., CO 13999 2511 539 366 Mega Cable, S.A. de C.V., MX 11830 1992 369 64 Instituto Costarricense de Electricidad y 28573 1335 2437 265 Claro NXT Telecomunicacoes Ltda, BR 3816 1330 777 211 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1130 374 163 Axtel, S.A.B. de C.V., MX 6147 1110 371 22 Telefonica del Peru S.A.A., PE 22884 1071 98 373 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 26615 1012 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 1683 601 30 RAYA-AS, EG 24863 1646 389 16 LINKdotNET-AS, EG 29571 1538 97 99 ORANGE-COTE-IVOIRE, CI 36992 1425 1518 286 ETISALAT-MISR, EG 36903 1249 554 96 MT-MPLS, MA 36935 1002 521 42 Vodafone-, EG 20011 978 180 282 INTERNET-SOLUTIONS, ZA 37069 843 1083 15 MOBINIL, EG 6713 556 1861 35 IAM-AS, MA 36914 552 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 12717 38946 3710 AMAZON-02, US 8151 11704 3200 605 UNINET, MX 9808 10334 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7746 1715 146 UNI2-AS, ES 7545 6211 843 665 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4698 312 553 CABLEONE, US 18403 4237 347 25 FPT-AS-AP FPT Telecom Company, VN 9498 4212 529 273 BBIL-AP BHARTI Airtel Ltd., IN 7155 4180 287 86 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 11704 11099 UNINET, MX 9808 10334 10246 CHINAMOBILE-CN China Mobile Communications Grou 12479 7746 7600 UNI2-AS, ES 7545 6211 5546 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4237 4212 FPT-AS-AP FPT Telecom Company, VN 11492 4698 4145 CABLEONE, US 7155 4180 4094 VIASAT-SP-BACKBONE, US 9498 4212 3939 BBIL-AP BHARTI Airtel Ltd., IN 7552 3918 3893 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 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 23.140.16.0/24 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 23.141.0.0/24 Origin: 395350 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, 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 /12:307 /13:583 /14:1214 /15:2143 /16:13908 /17:8221 /18:13620 /19:24425 /20:43728 /21:51802 /22:111898 /23:100531 /24:598874 /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 6705 7746 UNI2-AS, ES 8151 5922 11704 UNINET, MX 11492 3555 4698 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3418 3623 SHAW, CA 7155 3128 4180 VIASAT-SP-BACKBONE, US 22773 2514 3379 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2256 12717 AMAZON-02, US 30036 2242 2582 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2183 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) ---------------------------------------------- 1:2303 2:1503 3:569 4:9 5:4502 6:165 7:6 8:1540 9:1 11:172 12:1383 13:351 14:2502 15:349 16:270 17:357 18:917 20:450 21:4 22:188 23:7252 24:2731 25:2 27:2694 29:19 31:3124 32:35 34:80 35:200 36:2405 37:4589 38:8550 39:895 40:153 41:4210 42:1926 43:2507 44:347 45:18269 46:4943 47:292 49:1982 50:1883 51:589 52:1572 54:306 55:1098 56:9 57:238 58:2221 59:1177 60:1167 61:2842 62:2917 63:1820 64:5501 65:2196 66:4605 67:3027 68:1119 69:3998 70:1114 71:607 72:2851 74:2784 75:1639 76:628 77:2625 78:1849 79:1708 80:2212 81:2049 82:2322 83:1407 84:1789 85:3305 86:1020 87:2181 88:1277 89:4320 90:754 91:8315 92:2792 93:2853 94:3920 95:4175 96:1291 97:308 98:974 99:737 100:71 101:1378 102:3663 103:32350 104:4655 105:752 106:1016 107:2602 108:1190 109:4068 110:2218 111:3380 112:2044 113:1790 114:1939 115:2168 116:2029 117:2741 118:2845 119:1949 120:1870 121:1351 122:2739 123:2151 124:1601 125:2886 126:94 128:1551 129:952 130:1264 131:1863 132:783 133:450 134:1529 135:324 136:1332 137:1098 138:2889 139:1602 140:1547 141:1473 142:1822 143:1614 144:1061 145:461 146:2130 147:2062 148:2595 149:2853 150:1199 151:1668 152:2146 153:505 154:7928 155:1599 156:3587 157:1875 158:1245 159:2421 160:3545 161:1858 162:3648 163:1788 164:1696 165:2172 166:1353 167:1875 168:4066 169:790 170:5054 171:1001 172:4272 173:3231 174:918 175:1279 176:3603 177:4742 178:3763 179:2249 180:2536 181:3980 182:3367 183:2034 184:2259 185:21449 186:5068 187:4286 188:4219 189:4123 190:9594 191:1531 192:11138 193:9380 194:7733 195:5480 196:3233 197:3758 198:6048 199:8303 200:8010 201:6300 202:10332 203:10529 204:4532 205:3607 206:4601 207:3472 208:4180 209:5117 210:4501 211:2529 212:4530 213:3729 214:1055 215:42 216:6569 217:3105 218:1335 219:376 220:2117 221:1052 222:716 223:2311 End of report