IPv4 R&E Routing Table Report 23:00 GMT Mon 06 Jul, 2026 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: 1055921 Prefixes after maximum aggregation (per Origin AS): 406579 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 524392 Number of IPv4 prefixes with a valid ROA: 710837 Number of IPv4 prefixes with an invalid ROA: 832 Number of IPv4 prefixes with no ROA: 344252 Total ASes present in the Internet Routing Table: 78710 Prefixes per ASN: 13.42 Origin-only ASes present in the Internet Routing Table: 67422 Origin ASes announcing only one prefix: 27504 Transit ASes present in the Internet Routing Table: 11288 Transit-only ASes present in the Internet Routing Table: 602 Paths with bogon ASNs present in the IPv4 Routing Table: 66 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 216 Max AS path prepend of ASN (205624) 211 Prefixes from unregistered ASNs in the Routing Table: 1329 Number of instances of unregistered ASNs: 1369 Number of 32-bit ASNs allocated by the RIRs: 50319 Number of 32-bit ASNs visible in the Routing Table: 41006 Prefixes from 32-bit ASNs in the Routing Table: 235715 Number of bogon 32-bit ASNs visible in the Routing Table: 118 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 482 Number of addresses announced to Internet: 3118819584 Equivalent to 185 /8s, 229 /16s and 105 /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: 345472 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 289185 Total APNIC prefixes after maximum aggregation: 84377 APNIC Deaggregation factor: 3.43 Prefixes being announced from the APNIC address blocks: 274867 Unique aggregates announced from the APNIC address blocks: 109018 APNIC Region origin ASes present in the Internet Routing Table: 15267 APNIC Prefixes per ASN: 18.00 APNIC Region origin ASes announcing only one prefix: 4680 APNIC Region transit ASes present in the Internet Routing Table: 2072 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10874 Number of APNIC addresses announced to Internet: 748730368 Equivalent to 44 /8s, 160 /16s and 184 /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, 131072-155961 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: 305022 Total ARIN prefixes after maximum aggregation: 137554 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 303615 Unique aggregates announced from the ARIN address blocks: 149434 ARIN Region origin ASes present in the Internet Routing Table: 19438 ARIN Prefixes per ASN: 15.62 ARIN Region origin ASes announcing only one prefix: 7123 ARIN Region transit ASes present in the Internet Routing Table: 1902 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 216 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5655 Number of ARIN addresses announced to Internet: 1348233472 Equivalent to 80 /8s, 92 /16s and 105 /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, 393216-404380 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: 293262 Total RIPE prefixes after maximum aggregation: 145905 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 297768 Unique aggregates announced from the RIPE address blocks: 195352 RIPE Region origin ASes present in the Internet Routing Table: 29569 RIPE Prefixes per ASN: 10.07 RIPE Region origin ASes announcing only one prefix: 12222 RIPE Region transit ASes present in the Internet Routing Table: 4099 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 106 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13569 Number of RIPE addresses announced to Internet: 749697536 Equivalent to 44 /8s, 175 /16s and 122 /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 196608-219547 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: 129207 Total LACNIC prefixes after maximum aggregation: 30906 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 123965 Unique aggregates announced from the LACNIC address blocks: 50440 LACNIC Region origin ASes present in the Internet Routing Table: 11435 LACNIC Prefixes per ASN: 10.84 LACNIC Region origin ASes announcing only one prefix: 2760 LACNIC Region transit ASes present in the Internet Routing Table: 2617 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 68 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9511 Number of LACNIC addresses announced to Internet: 167715328 Equivalent to 9 /8s, 255 /16s and 34 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-275868 + 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: 37916 Total AfriNIC prefixes after maximum aggregation: 7075 AfriNIC Deaggregation factor: 5.36 Prefixes being announced from the AfriNIC address blocks: 55224 Unique aggregates announced from the AfriNIC address blocks: 19742 AfriNIC Region origin ASes present in the Internet Routing Table: 2034 AfriNIC Prefixes per ASN: 27.15 AfriNIC Region origin ASes announcing only one prefix: 719 AfriNIC Region transit ASes present in the Internet Routing Table: 383 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 70 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1397 Number of AfriNIC addresses announced to Internet: 104172288 Equivalent to 6 /8s, 53 /16s and 139 /24s AfriNIC AS Blocks 36864-37887, 327680-330751 & 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 14002 8737 120 CHINAMOBILE-CN - China Mobile Communicati 7545 5853 818 468 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 4996 554 335 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4648 347 25 FPT-VN - FPT Telecom Company, VN 7552 4072 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3736 1044 64 telkomnet-as-ap - PT Telekomunikasi Indon 56046 3571 887 177 CMNET-Jiangsu-AP - China Mobile communica 17561 3428 216 594 LCS-AS-AP - LARUS Limited, HK 45899 3390 1868 99 VNPT-AS-VN - VNPT Corp, VN 24560 2734 731 730 AIRTELBROADBAND-AS-AP - Bharti Airtel Ltd 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 15474 41508 5597 AMAZON-02 - Amazon.com, Inc., US 22773 4782 3116 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4545 302 1143 CABLEONE - CABLE ONE, INC., US 7155 3962 286 111 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3725 1305 74 SHAW - Shaw Communications, CA 396982 3417 4872 527 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3157 237 1088 AS-COLOCROSSING - HostPapa, US 749 3138 54728 2389 DNIC-AS-00749 - United States Department 7029 2673 2553 888 WINDSTREAM - Windstream Communications LL 30036 2544 349 562 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom C 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 7072 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4164 375 2547 M247 - M247 Europe SRL, RO 20940 3800 3389 109 AKAMAI-ASN1 - Akamai International B.V., 212238 3389 242 2536 CDNEXT - Datacamp Limited, GB 12389 3151 2321 870 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2492 367 589 TELLCOM-AS - Superonline Iletisim Hizmetl 8452 1708 1852 14 TE-AS - IDDQD-AS, EG 44559 1676 105 796 ITHOSTLINE - IT HOSTLINE LTD, CY 203020 1652 253 828 HostRoyale - HostRoyale Technologies Pvt 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 12772 3255 626 AS8151 - UNINET, MX 10620 3440 450 1104 AS10620 - Telmex Colombia S.A., CO 13999 2300 502 335 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1909 369 65 AS11830 - Instituto Costarricense de Elec 11664 1499 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1374 2431 269 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1342 768 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1210 371 22 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1100 70 388 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1063 2385 96 AS26615 - TIM S/A, 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 1991 617 34 Vodafone Data - Vodafone Data, EG 36992 1922 1543 334 ETISALAT MISR - ETISALAT MISR, EG 36903 1351 587 105 Office National des Postes et Telecommuni 36935 1312 523 46 Vodafone Data - Vodafone Data, EG 24863 1298 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 37069 1116 1100 11 The Egyptian Company for Mobile Services 29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 328608 617 56 209 Africa on Cloud - Africa on Cloud, ZA 15399 558 57 60 Wananchi Group (Kenya) Limited - Wananchi 36914 558 82 3 Kenya Education Network - Kenya Education 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 15474 41508 5597 AMAZON-02 - Amazon.com, Inc., US 9808 14002 8737 120 CHINAMOBILE-CN - China Mobile Communicati 8151 12772 3255 626 AS8151 - UNINET, MX 12479 7072 1711 150 UNI2-AS - Orange Espagne SA, ES 7545 5853 818 468 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 4996 554 335 BBIL-AP - BHARTI Airtel Ltd., IN 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4782 3116 361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4648 347 25 FPT-VN - FPT Telecom Company, VN 11492 4545 302 1143 CABLEONE - CABLE ONE, INC., 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 9808 14002 13882 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12772 12146 AS8151 - UNINET, MX 12479 7072 6922 UNI2-AS - Orange Espagne SA, ES 7545 5853 5385 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 4996 4661 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4648 4623 FPT-VN - FPT Telecom Company, VN 22773 4782 4421 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4072 4048 VIETEL-AS-AP - Viettel Group, VN 7155 3962 3851 VIASAT-SP-BACKBONE - ViaSat,Inc., US 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 395729 UNALLOCATED 8.28.60.0/24 32787 PROLEXIC-TECHNOLOGIES-D 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3 - Level 3 Parent 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE - Phonos 396243 UNALLOCATED 8.34.113.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.36.79.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.112.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.123.0/24 3356 LEVEL3 - Level 3 Parent 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.40.70.0/24 3356 LEVEL3 - Level 3 Parent 400273 UNALLOCATED 8.41.137.0/24 3356 LEVEL3 - Level 3 Parent Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.131.100.0/24 Origin: 401541 UNASSIGNED 23.131.100.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.156.0/24 Origin: 401541 UNASSIGNED 23.131.156.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.212.0/24 Origin: 401541 UNASSIGNED 23.131.212.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.132.252.0/24 Origin: 401541 UNASSIGNED 23.132.252.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.133.212.0/24 Origin: 18604 UNASSIGNED 23.133.212.0/24 Transit: 394625 WHITELABELIT - WhiteLabel IT Solutions C 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 /9:14 /10:39 /11:97 /12:299 /13:585 /14:1183 /15:2116 /16:13663 /17:8244 /18:13280 /19:25432 /20:45734 /21:52637 /22:113479 /23:108764 /24:670339 /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 8151 7000 12772 AS8151 - UNINET, MX 12479 5998 7072 UNI2-AS - Orange Espagne SA, ES 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3506 3725 SHAW - Shaw Communications, CA 11492 3438 4545 CABLEONE - CABLE ONE, INC., US 22773 3052 4782 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2916 3962 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2871 15474 AMAZON-02 - Amazon.com, Inc., US 10620 2244 3440 AS10620 - Telmex Colombia S.A., CO 30036 2201 2544 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2568 2:2046 3:1020 4:5 5:5321 6:207 7:6 8:1396 9:76 11:172 12:1109 13:765 14:2737 15:474 16:368 17:447 18:946 20:599 21:4 22:188 23:8454 24:2778 25:2 27:2811 28:1 29:19 31:3817 32:36 34:91 35:288 36:4836 37:4425 38:10157 39:1340 40:432 41:4575 42:2175 43:3345 44:465 45:19946 46:4962 47:476 48:168 49:2398 50:2001 51:895 52:1361 54:303 55:1169 56:11 57:324 58:2468 59:1366 60:1207 61:3161 62:3171 63:1686 64:6476 65:2155 66:6058 67:3312 68:1283 69:4085 70:1052 71:608 72:3236 74:3048 75:1506 76:596 77:2933 78:2104 79:1803 80:2367 81:2291 82:4299 83:1481 84:2184 85:3889 86:1094 87:2762 88:1309 89:4857 90:776 91:8476 92:2759 93:3031 94:4651 95:4713 96:1447 97:310 98:929 99:972 100:72 101:1634 102:4802 103:33049 104:5607 105:839 106:905 107:2947 108:1324 109:3899 110:2294 111:4172 112:3113 113:1987 114:2510 115:2304 116:2103 117:3631 118:3062 119:2081 120:2766 121:1637 122:3014 123:2221 124:1871 125:3030 126:158 128:1568 129:965 130:1693 131:2519 132:892 133:488 134:1751 135:639 136:1528 137:1375 138:3414 139:1809 140:1861 141:1734 142:2619 143:2099 144:1838 145:677 146:2182 147:2263 148:2799 149:3341 150:1333 151:2951 152:2617 153:1883 154:10076 155:2353 156:4628 157:2509 158:1597 159:2883 160:3887 161:2038 162:4141 163:2648 164:2460 165:2779 166:1304 167:2355 168:4067 169:872 170:5626 171:1140 172:4891 173:3480 174:891 175:1365 176:4023 177:5104 178:4500 179:2491 180:3366 181:4635 182:4042 183:2882 184:2041 185:21893 186:6502 187:5481 188:4810 189:4638 190:9944 191:1811 192:11774 193:9623 194:7905 195:5891 196:3444 197:3267 198:6129 199:6075 200:8231 201:6591 202:10663 203:10668 204:4705 205:3731 206:4394 207:3888 208:4333 209:5410 210:4739 211:2681 212:5220 213:4110 214:1038 215:47 216:7294 217:3732 218:1776 219:423 220:2212 221:1358 222:942 223:3596 End of report