IPv4 R&E Routing Table Report 23:05 GMT Fri 31 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: 970251 Prefixes after maximum aggregation (per Origin AS): 371635 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 473653 Number of IPv4 prefixes with a valid ROA: 524778 Number of IPv4 prefixes with an invalid ROA: 794 Number of IPv4 prefixes with no ROA: 444679 Total ASes present in the Internet Routing Table: 76378 Prefixes per ASN: 12.70 Origin-only ASes present in the Internet Routing Table: 65532 Origin ASes announcing only one prefix: 26831 Transit ASes present in the Internet Routing Table: 10846 Transit-only ASes present in the Internet Routing Table: 517 Paths with bogon ASNs present in the IPv4 Routing Table: 10 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 70 Max AS path prepend of ASN ( 37447) 66 Prefixes from unregistered ASNs in the Routing Table: 1054 Number of instances of unregistered ASNs: 1059 Number of 32-bit ASNs allocated by the RIRs: 46093 Number of 32-bit ASNs visible in the Routing Table: 37653 Prefixes from 32-bit ASNs in the Routing Table: 198248 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: 500 Number of addresses announced to Internet: 3112519680 Equivalent to 185 /8s, 133 /16s and 72 /24s Percentage of available address space announced: 84.1 Percentage of allocated address space announced: 84.1 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: 317927 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254658 Total APNIC prefixes after maximum aggregation: 76234 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 246264 Unique aggregates announced from the APNIC address blocks: 102508 APNIC Region origin ASes present in the Internet Routing Table: 14404 APNIC Prefixes per ASN: 17.10 APNIC Region origin ASes announcing only one prefix: 4401 APNIC Region transit ASes present in the Internet Routing Table: 1936 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: 9930 Number of APNIC addresses announced to Internet: 753137408 Equivalent to 44 /8s, 227 /16s and 247 /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: 285622 Total ARIN prefixes after maximum aggregation: 127174 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 287213 Unique aggregates announced from the ARIN address blocks: 135017 ARIN Region origin ASes present in the Internet Routing Table: 19165 ARIN Prefixes per ASN: 14.99 ARIN Region origin ASes announcing only one prefix: 7016 ARIN Region transit ASes present in the Internet Routing Table: 1919 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: 5118 Number of ARIN addresses announced to Internet: 1344689152 Equivalent to 80 /8s, 38 /16s and 84 /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: 270885 Total RIPE prefixes after maximum aggregation: 131722 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 268011 Unique aggregates announced from the RIPE address blocks: 171530 RIPE Region origin ASes present in the Internet Routing Table: 28829 RIPE Prefixes per ASN: 9.30 RIPE Region origin ASes announcing only one prefix: 12061 RIPE Region transit ASes present in the Internet Routing Table: 3954 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: 12220 Number of RIPE addresses announced to Internet: 732312320 Equivalent to 43 /8s, 166 /16s and 51 /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: 123352 Total LACNIC prefixes after maximum aggregation: 29168 LACNIC Deaggregation factor: 4.23 Prefixes being announced from the LACNIC address blocks: 120704 Unique aggregates announced from the LACNIC address blocks: 48856 LACNIC Region origin ASes present in the Internet Routing Table: 11185 LACNIC Prefixes per ASN: 10.79 LACNIC Region origin ASes announcing only one prefix: 2663 LACNIC Region transit ASes present in the Internet Routing Table: 2501 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: 9118 Number of LACNIC addresses announced to Internet: 177870080 Equivalent to 10 /8s, 154 /16s and 21 /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: 34680 Total AfriNIC prefixes after maximum aggregation: 6687 AfriNIC Deaggregation factor: 5.19 Prefixes being announced from the AfriNIC address blocks: 47559 Unique aggregates announced from the AfriNIC address blocks: 15327 AfriNIC Region origin ASes present in the Internet Routing Table: 1907 AfriNIC Prefixes per ASN: 24.94 AfriNIC Region origin ASes announcing only one prefix: 690 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: 70 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1267 Number of AfriNIC addresses announced to Internet: 104252672 Equivalent to 6 /8s, 54 /16s and 197 /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 6209 843 663 TPG-INTERNET-AP TPG Telecom Limited, AU 9498 4178 528 272 BBIL-AP BHARTI Airtel Ltd., IN 18403 4168 347 24 FPT-AS-AP FPT Telecom Company, VN 7552 3912 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3668 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3255 1869 101 VNPT-AS-VN VNPT Corp, VN 24560 2832 852 536 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2220 434 195 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 12675 38940 3722 AMAZON-02, US 11492 4697 312 552 CABLEONE, US 7155 4177 287 86 VIASAT-SP-BACKBONE, US 174 3650 8758 876 COGENT-174, US 6327 3615 1320 81 SHAW, CA 22773 3385 3035 184 ASN-CXA-ALL-CCI-22773-RDC, US 749 3259 54879 2506 DNIC-AS-00749, US 396982 2905 3657 445 GOOGLE-CLOUD-PLATFORM, US 16625 2872 1235 2138 AKAMAI-AS, US 30036 2577 358 277 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 7756 1711 144 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3883 3395 125 AKAMAI-ASN1, NL 9009 3690 318 1907 M247, RO 12389 2982 2302 888 ROSTELECOM-AS, RU 34984 2369 361 580 TELLCOM-AS, TR 212238 1904 136 1404 CDNEXT, GB 8452 1612 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1496 99 748 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 11677 3224 604 UNINET, MX 10620 3540 492 954 Telmex Colombia S.A., CO 13999 2515 539 366 Mega Cable, S.A. de C.V., MX 11830 1992 369 64 Instituto Costarricense de Electricidad y 28573 1336 2438 262 Claro NXT Telecomunicacoes Ltda, BR 3816 1328 777 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1134 374 163 Axtel, S.A.B. de C.V., MX 6147 1105 371 22 Telefonica del Peru S.A.A., PE 22884 1076 98 370 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M 11664 1008 278 33 Techtel LMDS Comunicaciones Interactivas 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 1681 601 30 RAYA-AS, EG 24863 1650 389 16 LINKdotNET-AS, EG 29571 1547 98 102 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 867 1083 15 MOBINIL, EG 6713 557 1861 35 IAM-AS, MA 36914 545 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 12675 38940 3722 AMAZON-02, US 8151 11677 3224 604 UNINET, MX 9808 10334 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7756 1711 144 UNI2-AS, ES 7545 6209 843 663 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4697 312 552 CABLEONE, US 9498 4178 528 272 BBIL-AP BHARTI Airtel Ltd., IN 7155 4177 287 86 VIASAT-SP-BACKBONE, US 18403 4168 347 24 FPT-AS-AP FPT Telecom Company, VN 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 11677 11073 UNINET, MX 9808 10334 10246 CHINAMOBILE-CN China Mobile Communications Grou 12479 7756 7612 UNI2-AS, ES 7545 6209 5546 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 11492 4697 4145 CABLEONE, US 18403 4168 4144 FPT-AS-AP FPT Telecom Company, VN 7155 4177 4091 VIASAT-SP-BACKBONE, US 9498 4178 3906 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 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 /11:92 /12:308 /13:585 /14:1215 /15:2144 /16:13893 /17:8208 /18:13631 /19:24451 /20:43732 /21:51787 /22:111839 /23:100521 /24:597771 /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 6716 7756 UNI2-AS, ES 8151 5888 11677 UNINET, MX 11492 3555 4697 CABLEONE, US 39891 3489 4797 ALJAWWALSTC-AS, SA 6327 3410 3615 SHAW, CA 7155 3125 4177 VIASAT-SP-BACKBONE, US 22773 2520 3385 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2267 12675 AMAZON-02, US 30036 2238 2577 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2180 3540 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) ---------------------------------------------- 1:2304 2:1519 3:568 4:9 5:4535 6:165 7:6 8:1545 9:1 11:172 12:1383 13:349 14:2500 15:343 16:270 17:358 18:915 20:450 21:4 22:188 23:7218 24:2733 25:2 27:2696 29:19 31:3115 32:38 34:74 35:184 36:2403 37:4605 38:8599 39:895 40:151 41:4162 42:1910 43:2512 44:345 45:18156 46:4963 47:293 49:1983 50:1865 51:589 52:1568 54:307 55:1142 56:9 57:234 58:2207 59:1184 60:1162 61:2836 62:2933 63:1824 64:5492 65:2203 66:4612 67:3028 68:1180 69:4009 70:1102 71:605 72:2857 74:2772 75:1639 76:628 77:2616 78:1851 79:1592 80:2213 81:2046 82:2130 83:1411 84:1797 85:3289 86:1004 87:2181 88:1272 89:4356 90:755 91:8324 92:2774 93:2876 94:3917 95:4165 96:1294 97:308 98:990 99:737 100:71 101:1375 102:3664 103:32250 104:4653 105:751 106:1014 107:2603 108:1165 109:4082 110:2218 111:3391 112:2044 113:1763 114:1941 115:2154 116:2023 117:2746 118:2837 119:1931 120:1870 121:1344 122:2735 123:2150 124:1596 125:2861 126:94 128:1559 129:954 130:1261 131:1871 132:798 133:451 134:1519 135:322 136:1333 137:1098 138:2899 139:1587 140:1530 141:1479 142:1827 143:1609 144:1034 145:459 146:2132 147:2058 148:2585 149:2840 150:1201 151:1643 152:2047 153:504 154:7979 155:1609 156:3481 157:1875 158:1252 159:2420 160:3521 161:1810 162:3643 163:1779 164:1694 165:2173 166:1318 167:1873 168:4066 169:791 170:5055 171:998 172:4288 173:3199 174:917 175:1276 176:3601 177:4781 178:3760 179:2209 180:2529 181:3953 182:3366 183:2034 184:2262 185:21418 186:5086 187:4296 188:4235 189:4123 190:9583 191:1537 192:11218 193:9365 194:7712 195:5459 196:3175 197:3688 198:6043 199:8286 200:8022 201:6293 202:10297 203:10487 204:4527 205:3616 206:4614 207:3499 208:4188 209:5114 210:4480 211:2513 212:4506 213:3731 214:1050 215:42 216:6605 217:3101 218:1334 219:376 220:2110 221:1052 222:716 223:2311 End of report