IPv4 R&E Routing Table Report 23:00 GMT Mon 03 Aug, 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: 1060805 Prefixes after maximum aggregation (per Origin AS): 407580 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 526584 Number of IPv4 prefixes with a valid ROA: 720018 Number of IPv4 prefixes with an invalid ROA: 409 Number of IPv4 prefixes with no ROA: 340378 Total ASes present in the Internet Routing Table: 78883 Prefixes per ASN: 13.45 Origin-only ASes present in the Internet Routing Table: 67549 Origin ASes announcing only one prefix: 27652 Transit ASes present in the Internet Routing Table: 11334 Transit-only ASes present in the Internet Routing Table: 616 Paths with bogon ASNs present in the IPv4 Routing Table: 58 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: 1273 Number of instances of unregistered ASNs: 1315 Number of 32-bit ASNs allocated by the RIRs: 50687 Number of 32-bit ASNs visible in the Routing Table: 41221 Prefixes from 32-bit ASNs in the Routing Table: 236582 Number of bogon 32-bit ASNs visible in the Routing Table: 98 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 495 Number of addresses announced to Internet: 3118297856 Equivalent to 185 /8s, 221 /16s and 115 /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: 347294 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 289768 Total APNIC prefixes after maximum aggregation: 84095 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 275652 Unique aggregates announced from the APNIC address blocks: 109198 APNIC Region origin ASes present in the Internet Routing Table: 15261 APNIC Prefixes per ASN: 18.06 APNIC Region origin ASes announcing only one prefix: 4685 APNIC Region transit ASes present in the Internet Routing Table: 2075 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10877 Number of APNIC addresses announced to Internet: 748413952 Equivalent to 44 /8s, 155 /16s and 228 /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: 306129 Total ARIN prefixes after maximum aggregation: 137970 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 304662 Unique aggregates announced from the ARIN address blocks: 150254 ARIN Region origin ASes present in the Internet Routing Table: 19475 ARIN Prefixes per ASN: 15.64 ARIN Region origin ASes announcing only one prefix: 7165 ARIN Region transit ASes present in the Internet Routing Table: 1910 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: 5713 Number of ARIN addresses announced to Internet: 1347748352 Equivalent to 80 /8s, 85 /16s and 2 /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: 295629 Total RIPE prefixes after maximum aggregation: 146351 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 300182 Unique aggregates announced from the RIPE address blocks: 195921 RIPE Region origin ASes present in the Internet Routing Table: 29643 RIPE Prefixes per ASN: 10.13 RIPE Region origin ASes announcing only one prefix: 12266 RIPE Region transit ASes present in the Internet Routing Table: 4128 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: 13663 Number of RIPE addresses announced to Internet: 749568768 Equivalent to 44 /8s, 173 /16s and 131 /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: 130301 Total LACNIC prefixes after maximum aggregation: 31371 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 124760 Unique aggregates announced from the LACNIC address blocks: 51092 LACNIC Region origin ASes present in the Internet Routing Table: 11475 LACNIC Prefixes per ASN: 10.87 LACNIC Region origin ASes announcing only one prefix: 2798 LACNIC Region transit ASes present in the Internet Routing Table: 2635 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: 9550 Number of LACNIC addresses announced to Internet: 168393216 Equivalent to 10 /8s, 9 /16s and 122 /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: 37705 Total AfriNIC prefixes after maximum aggregation: 7074 AfriNIC Deaggregation factor: 5.33 Prefixes being announced from the AfriNIC address blocks: 55054 Unique aggregates announced from the AfriNIC address blocks: 19699 AfriNIC Region origin ASes present in the Internet Routing Table: 2050 AfriNIC Prefixes per ASN: 26.86 AfriNIC Region origin ASes announcing only one prefix: 738 AfriNIC Region transit ASes present in the Internet Routing Table: 379 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 85 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1418 Number of AfriNIC addresses announced to Internet: 103897856 Equivalent to 6 /8s, 49 /16s and 91 /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 14103 8737 120 CHINAMOBILE-CN - China Mobile Communicati 7545 5835 818 450 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 5059 558 341 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4657 347 24 FPT-VN - FPT Telecom Company, VN 7552 4073 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3761 1044 63 telkomnet-as-ap - PT Telekomunikasi Indon 17561 3738 235 605 LCS-AS-AP - LARUS Limited, HK 56046 3587 888 178 CMNET-Jiangsu-AP - China Mobile communica 45899 3397 1868 98 VNPT-AS-VN - VNPT Corp, VN 24560 2608 675 723 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 15636 41519 5625 AMAZON-02 - Amazon.com, Inc., US 22773 4811 3183 373 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4616 306 1123 CABLEONE - CABLE ONE, INC., US 7155 3992 286 98 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3727 1305 74 SHAW - Shaw Communications, CA 396982 3453 4878 543 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3190 238 1119 AS-COLOCROSSING - HostPapa, US 749 3137 54728 2388 DNIC-AS-00749 - United States Department 7029 2713 2553 880 WINDSTREAM - Windstream Communications LL 31898 2561 1313 1126 ORACLE-BMC-31898 - Oracle Corporation, 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 7017 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4907 302 76 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4169 376 2551 M247 - M247 Europe SRL, RO 20940 3807 3389 109 AKAMAI-ASN1 - Akamai International B.V., 212238 3489 251 2630 CDNEXT - Datacamp Limited, GB 12389 3123 2330 870 ROSTELECOM-AS - PJSC Rostelecom, RU 29355 2546 143 27 KCELL-AS - Kcell JSC, KZ 34984 2485 367 586 TELLCOM-AS - Superonline Iletisim Hizmetl 44559 1946 122 913 ITHOSTLINE - IT HOSTLINE LTD, CY 8452 1714 1852 14 TE-AS - IDDQD-AS, EG 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 12939 3288 616 AS8151 - UNINET, MX 10620 3444 451 1107 AS10620 - Telmex Colombia S.A., CO 13999 2281 499 332 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1894 369 65 AS11830 - Instituto Costarricense de Elec 11664 1493 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 1166 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1097 70 386 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1053 2384 95 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 1987 601 34 Vodafone Data - Vodafone Data, EG 36992 1928 1543 333 ETISALAT MISR - ETISALAT MISR, EG 36903 1350 587 104 Office National des Postes et Telecommuni 24863 1314 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 36935 1283 524 47 Vodafone Data - Vodafone Data, EG 37069 1116 1100 11 The Egyptian Company for Mobile Services 29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 328608 584 54 195 Africa on Cloud - Africa on Cloud, ZA 15399 559 57 61 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 15636 41519 5625 AMAZON-02 - Amazon.com, Inc., US 9808 14103 8737 120 CHINAMOBILE-CN - China Mobile Communicati 8151 12939 3288 616 AS8151 - UNINET, MX 12479 7017 1711 150 UNI2-AS - Orange Espagne SA, ES 7545 5835 818 450 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 5059 558 341 BBIL-AP - BHARTI Airtel Ltd., IN 39891 4907 302 76 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4811 3183 373 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4657 347 24 FPT-VN - FPT Telecom Company, VN 11492 4616 306 1123 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 14103 13983 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12939 12323 AS8151 - UNINET, MX 12479 7017 6867 UNI2-AS - Orange Espagne SA, ES 7545 5835 5385 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4907 4831 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5059 4718 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4657 4633 FPT-VN - FPT Telecom Company, VN 22773 4811 4438 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4073 4049 VIETEL-AS-AP - Viettel Group, VN 7155 3992 3894 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 394928 UNALLOCATED 8.2.70.0/24 6461 ZAYO-6461 - Zayo Bandwi 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 8.33.224.0/24 174 COGENT-174 - Cogent Com 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 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 23.133.212.0/24 Origin: 18604 UNASSIGNED 23.133.212.0/24 Transit: 394625 WHITELABELIT - WhiteLabel IT Solutions C 23.137.48.0/24 Origin: 16904 ARVIG-16904 - Arvig Enterprises Inc., US 23.137.48.0/24 Transit: 174 COGENT-174 - Cogent Communications, LLC, 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 /13:584 /14:1183 /15:2122 /16:13694 /17:8246 /18:13193 /19:25440 /20:45599 /21:53393 /22:113319 /23:109838 /24:673729 /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 7129 12939 AS8151 - UNINET, MX 12479 5944 7017 UNI2-AS - Orange Espagne SA, ES 39891 3656 4907 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 11492 3511 4616 CABLEONE - CABLE ONE, INC., US 6327 3508 3727 SHAW - Shaw Communications, CA 22773 3057 4811 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2959 15636 AMAZON-02 - Amazon.com, Inc., US 7155 2946 3992 VIASAT-SP-BACKBONE - ViaSat,Inc., US 10620 2248 3444 AS10620 - Telmex Colombia S.A., CO 30036 2201 2546 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) ---------------------------------------------- 1:2603 2:2817 3:1020 4:5 5:5364 6:205 7:6 8:1368 9:94 11:172 12:1104 13:824 14:2753 15:485 16:260 17:455 18:941 20:602 21:4 22:188 23:8534 24:2784 25:2 27:2862 28:5 29:19 31:3810 32:36 34:94 35:290 36:4880 37:4455 38:10157 39:1382 40:426 41:4613 42:2239 43:3379 44:480 45:20145 46:4974 47:475 48:168 49:2384 50:2011 51:817 52:1372 54:306 55:1244 56:11 57:326 58:2421 59:1360 60:1213 61:3218 62:3168 63:1745 64:6550 65:2154 66:6198 67:3342 68:1282 69:4065 70:1046 71:603 72:3259 74:3050 75:1598 76:591 77:2931 78:2109 79:1836 80:2365 81:2285 82:4259 83:1486 84:2157 85:3909 86:1105 87:2753 88:1326 89:4818 90:768 91:8474 92:2748 93:3030 94:4472 95:4735 96:1453 97:310 98:927 99:971 100:73 101:1599 102:4702 103:33088 104:5651 105:834 106:915 107:2980 108:1335 109:3916 110:2286 111:4193 112:3137 113:1933 114:2507 115:2316 116:2108 117:3677 118:3049 119:2100 120:2803 121:1664 122:3032 123:2213 124:1726 125:3027 126:156 128:1568 129:968 130:1708 131:2520 132:891 133:493 134:1761 135:647 136:1556 137:1381 138:3431 139:1807 140:1871 141:1807 142:2611 143:2163 144:1867 145:693 146:2179 147:2340 148:2814 149:3606 150:1425 151:2962 152:2651 153:1940 154:9892 155:2379 156:4638 157:2524 158:1626 159:2897 160:3928 161:2056 162:4213 163:2683 164:2420 165:2790 166:1185 167:2371 168:4235 169:905 170:5634 171:1130 172:4911 173:3473 174:890 175:1403 176:4026 177:5245 178:4505 179:2509 180:3418 181:4662 182:4064 183:2873 184:2047 185:21923 186:6552 187:5566 188:4745 189:4676 190:9926 191:1787 192:11798 193:9631 194:7957 195:5921 196:3446 197:3147 198:6164 199:6112 200:8278 201:6684 202:10663 203:10663 204:4710 205:3692 206:4370 207:3905 208:4320 209:5402 210:4742 211:2720 212:5225 213:4129 214:1025 215:40 216:7312 217:3732 218:1876 219:419 220:2286 221:1387 222:947 223:3599 End of report