IPv4 R&E Routing Table Report 23:05 GMT Tue 28 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: 971308 Prefixes after maximum aggregation (per Origin AS): 371349 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 473332 Number of IPv4 prefixes with a valid ROA: 525386 Number of IPv4 prefixes with an invalid ROA: 994 Number of IPv4 prefixes with no ROA: 444928 Total ASes present in the Internet Routing Table: 76417 Prefixes per ASN: 12.71 Origin-only ASes present in the Internet Routing Table: 65573 Origin ASes announcing only one prefix: 26859 Transit ASes present in the Internet Routing Table: 10844 Transit-only ASes present in the Internet Routing Table: 516 Paths with bogon ASNs present in the IPv4 Routing Table: 9 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: 1071 Number of instances of unregistered ASNs: 1076 Number of 32-bit ASNs allocated by the RIRs: 46077 Number of 32-bit ASNs visible in the Routing Table: 37670 Prefixes from 32-bit ASNs in the Routing Table: 198646 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: 509 Number of addresses announced to Internet: 3115111936 Equivalent to 185 /8s, 172 /16s and 214 /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: 318413 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 254849 Total APNIC prefixes after maximum aggregation: 76283 APNIC Deaggregation factor: 3.34 Prefixes being announced from the APNIC address blocks: 246510 Unique aggregates announced from the APNIC address blocks: 102546 APNIC Region origin ASes present in the Internet Routing Table: 14423 APNIC Prefixes per ASN: 17.09 APNIC Region origin ASes announcing only one prefix: 4409 APNIC Region transit ASes present in the Internet Routing Table: 1937 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: 9950 Number of APNIC addresses announced to Internet: 754515968 Equivalent to 44 /8s, 249 /16s and 0 /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: 285797 Total ARIN prefixes after maximum aggregation: 126918 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 287368 Unique aggregates announced from the ARIN address blocks: 134771 ARIN Region origin ASes present in the Internet Routing Table: 19177 ARIN Prefixes per ASN: 14.99 ARIN Region origin ASes announcing only one prefix: 7023 ARIN Region transit ASes present in the Internet Routing Table: 1923 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: 5120 Number of ARIN addresses announced to Internet: 1344848896 Equivalent to 80 /8s, 40 /16s and 196 /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: 271086 Total RIPE prefixes after maximum aggregation: 131633 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 268144 Unique aggregates announced from the RIPE address blocks: 171390 RIPE Region origin ASes present in the Internet Routing Table: 28830 RIPE Prefixes per ASN: 9.30 RIPE Region origin ASes announcing only one prefix: 12074 RIPE Region transit ASes present in the Internet Routing Table: 3960 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: 12212 Number of RIPE addresses announced to Internet: 733267968 Equivalent to 43 /8s, 180 /16s and 200 /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: 123834 Total LACNIC prefixes after maximum aggregation: 29163 LACNIC Deaggregation factor: 4.25 Prefixes being announced from the LACNIC address blocks: 121172 Unique aggregates announced from the LACNIC address blocks: 48869 LACNIC Region origin ASes present in the Internet Routing Table: 11189 LACNIC Prefixes per ASN: 10.83 LACNIC Region origin ASes announcing only one prefix: 2661 LACNIC Region transit ASes present in the Internet Routing Table: 2488 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 30 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9123 Number of LACNIC addresses announced to Internet: 177908480 Equivalent to 10 /8s, 154 /16s and 171 /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: 34671 Total AfriNIC prefixes after maximum aggregation: 6682 AfriNIC Deaggregation factor: 5.19 Prefixes being announced from the AfriNIC address blocks: 47605 Unique aggregates announced from the AfriNIC address blocks: 15332 AfriNIC Region origin ASes present in the Internet Routing Table: 1904 AfriNIC Prefixes per ASN: 25.00 AfriNIC Region origin ASes announcing only one prefix: 692 AfriNIC Region transit ASes present in the Internet Routing Table: 364 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: 1265 Number of AfriNIC addresses announced to Internet: 104308480 Equivalent to 6 /8s, 55 /16s and 159 /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 10336 8753 88 CHINAMOBILE-CN China Mobile Communication 7545 6207 843 663 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4185 347 24 FPT-AS-AP FPT Telecom Company, VN 9498 4167 528 273 BBIL-AP BHARTI Airtel Ltd., IN 7552 3912 1331 25 VIETEL-AS-AP Viettel Group, VN 7713 3689 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones 45899 3255 1869 101 VNPT-AS-VN VNPT Corp, VN 24560 2835 852 538 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., 4755 2227 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 12621 38873 3701 AMAZON-02, US 11492 4697 312 552 CABLEONE, US 7155 4177 287 86 VIASAT-SP-BACKBONE, US 174 4172 8759 877 COGENT-174, US 6327 3615 1320 81 SHAW, CA 22773 3383 3035 184 ASN-CXA-ALL-CCI-22773-RDC, US 749 3260 54879 2507 DNIC-AS-00749, US 396982 2904 3657 446 GOOGLE-CLOUD-PLATFORM, US 16625 2876 1236 2138 AKAMAI-AS, US 30036 2572 358 279 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 7765 1711 144 UNI2-AS, ES 39891 4797 293 62 ALJAWWALSTC-AS, SA 20940 3890 3395 125 AKAMAI-ASN1, NL 9009 3751 321 1902 M247, RO 12389 2984 2302 888 ROSTELECOM-AS, RU 34984 2370 361 579 TELLCOM-AS, TR 212238 1906 136 1406 CDNEXT, GB 8452 1616 1852 14 TE-AS TE-AS, EG 13188 1607 100 26 TRIOLAN, UA 62240 1498 99 751 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 11684 3230 600 UNINET, MX 10620 3539 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 1329 778 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC, 6503 1137 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 1005 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 1644 389 16 LINKdotNET-AS, EG 29571 1546 97 106 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 839 1083 15 MOBINIL, EG 6713 557 1861 35 IAM-AS, MA 36914 547 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 12621 38873 3701 AMAZON-02, US 8151 11684 3230 600 UNINET, MX 9808 10336 8753 88 CHINAMOBILE-CN China Mobile Communication 12479 7765 1711 144 UNI2-AS, ES 7545 6207 843 663 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 293 62 ALJAWWALSTC-AS, SA 11492 4697 312 552 CABLEONE, US 18403 4185 347 24 FPT-AS-AP FPT Telecom Company, VN 7155 4177 287 86 VIASAT-SP-BACKBONE, US 174 4172 8759 877 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 11684 11084 UNINET, MX 9808 10336 10248 CHINAMOBILE-CN China Mobile Communications Grou 12479 7765 7621 UNI2-AS, ES 7545 6207 5544 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4797 4735 ALJAWWALSTC-AS, SA 18403 4185 4161 FPT-AS-AP FPT Telecom Company, VN 11492 4697 4145 CABLEONE, US 7155 4177 4091 VIASAT-SP-BACKBONE, US 9498 4167 3894 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 213519 UNALLOCATED 5.175.237.0/24 58212 DATAFOREST, DE 213519 UNALLOCATED 5.175.238.0/24 26042 FIBERSTATE, 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 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 23.133.68.0/24 Origin: 401556 VINAGPU, US 23.133.68.0/24 Transit: 20473 AS-VULTR, 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 /12:309 /13:585 /14:1216 /15:2144 /16:13913 /17:8212 /18:13624 /19:24470 /20:43693 /21:51814 /22:111853 /23:100488 /24:598820 /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 6725 7765 UNI2-AS, ES 8151 5882 11684 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 2518 3383 ASN-CXA-ALL-CCI-22773-RDC, US 16509 2245 12621 AMAZON-02, US 30036 2233 2572 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2179 3539 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) ---------------------------------------------- 1:2302 2:1520 3:565 4:9 5:4594 6:165 7:6 8:1545 9:1 11:172 12:1385 13:350 14:2495 15:341 16:270 17:360 18:909 20:450 21:4 22:188 23:7218 24:2730 25:2 27:2709 29:19 31:3104 32:38 34:73 35:184 36:2403 37:4612 38:9069 39:895 40:151 41:4149 42:1918 43:2509 44:345 45:18149 46:4967 47:293 49:1985 50:1864 51:589 52:1571 54:307 55:1135 56:9 57:234 58:2207 59:1183 60:1162 61:2844 62:2932 63:1825 64:5491 65:2202 66:4610 67:3023 68:1165 69:4015 70:1102 71:603 72:2856 74:2776 75:1637 76:624 77:2610 78:1850 79:1720 80:2207 81:2046 82:2095 83:1410 84:1796 85:3285 86:998 87:2180 88:1275 89:4357 90:755 91:8328 92:2785 93:2903 94:3929 95:4164 96:1292 97:308 98:987 99:737 100:71 101:1375 102:3716 103:32362 104:4622 105:752 106:1014 107:2602 108:1165 109:4082 110:2219 111:3359 112:2044 113:1775 114:1940 115:2157 116:2024 117:2746 118:2853 119:1937 120:1870 121:1348 122:2728 123:2149 124:1596 125:2877 126:94 128:1567 129:953 130:1255 131:1875 132:804 133:451 134:1513 135:322 136:1334 137:1103 138:2890 139:1593 140:1537 141:1490 142:1831 143:1603 144:1038 145:459 146:2127 147:2051 148:2585 149:2834 150:1205 151:1638 152:2074 153:500 154:7989 155:1550 156:3479 157:1870 158:1251 159:2421 160:3520 161:1806 162:3643 163:1779 164:1696 165:2170 166:1319 167:1874 168:4076 169:789 170:5098 171:1000 172:4116 173:3212 174:916 175:1276 176:3598 177:4922 178:3756 179:2200 180:2531 181:3946 182:3368 183:2038 184:2263 185:21408 186:5119 187:4392 188:4241 189:4132 190:9620 191:1568 192:11227 193:9344 194:7711 195:5464 196:3208 197:3690 198:6037 199:8280 200:8025 201:6308 202:10315 203:10505 204:4528 205:3630 206:4612 207:3484 208:4184 209:5120 210:4491 211:2513 212:4521 213:3735 214:1042 215:42 216:6602 217:3102 218:1334 219:376 220:2111 221:1052 222:718 223:2312 End of report