IPv4 R&E Routing Table Report 23:00 GMT Thu 18 Jun, 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: 1055401 Prefixes after maximum aggregation (per Origin AS): 406506 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 522972 Number of IPv4 prefixes with a valid ROA: 707135 Number of IPv4 prefixes with an invalid ROA: 532 Number of IPv4 prefixes with no ROA: 347734 Total ASes present in the Internet Routing Table: 78653 Prefixes per ASN: 13.42 Origin-only ASes present in the Internet Routing Table: 67368 Origin ASes announcing only one prefix: 27467 Transit ASes present in the Internet Routing Table: 11285 Transit-only ASes present in the Internet Routing Table: 589 Paths with bogon ASNs present in the IPv4 Routing Table: 53 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: 1258 Number of instances of unregistered ASNs: 1288 Number of 32-bit ASNs allocated by the RIRs: 50175 Number of 32-bit ASNs visible in the Routing Table: 40896 Prefixes from 32-bit ASNs in the Routing Table: 234403 Number of bogon 32-bit ASNs visible in the Routing Table: 96 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 463 Number of addresses announced to Internet: 3120339456 Equivalent to 185 /8s, 252 /16s and 154 /24s Percentage of available address space announced: 84.3 Percentage of allocated address space announced: 84.3 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: 345617 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 288837 Total APNIC prefixes after maximum aggregation: 84679 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 274748 Unique aggregates announced from the APNIC address blocks: 109260 APNIC Region origin ASes present in the Internet Routing Table: 15223 APNIC Prefixes per ASN: 18.05 APNIC Region origin ASes announcing only one prefix: 4630 APNIC Region transit ASes present in the Internet Routing Table: 2065 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 43 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10833 Number of APNIC addresses announced to Internet: 747831296 Equivalent to 44 /8s, 147 /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, 131072-155961 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: 304610 Total ARIN prefixes after maximum aggregation: 137565 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 303417 Unique aggregates announced from the ARIN address blocks: 148744 ARIN Region origin ASes present in the Internet Routing Table: 19416 ARIN Prefixes per ASN: 15.63 ARIN Region origin ASes announcing only one prefix: 7109 ARIN Region transit ASes present in the Internet Routing Table: 1903 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: 5621 Number of ARIN addresses announced to Internet: 1348359424 Equivalent to 80 /8s, 94 /16s and 85 /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: 292397 Total RIPE prefixes after maximum aggregation: 145637 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 296599 Unique aggregates announced from the RIPE address blocks: 194687 RIPE Region origin ASes present in the Internet Routing Table: 29599 RIPE Prefixes per ASN: 10.02 RIPE Region origin ASes announcing only one prefix: 12258 RIPE Region transit ASes present in the Internet Routing Table: 4106 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: 13546 Number of RIPE addresses announced to Internet: 749828864 Equivalent to 44 /8s, 177 /16s and 123 /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: 130483 Total LACNIC prefixes after maximum aggregation: 30879 LACNIC Deaggregation factor: 4.23 Prefixes being announced from the LACNIC address blocks: 125238 Unique aggregates announced from the LACNIC address blocks: 50303 LACNIC Region origin ASes present in the Internet Routing Table: 11420 LACNIC Prefixes per ASN: 10.97 LACNIC Region origin ASes announcing only one prefix: 2730 LACNIC Region transit ASes present in the Internet Routing Table: 2614 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: 9488 Number of LACNIC addresses announced to Internet: 169773568 Equivalent to 10 /8s, 30 /16s and 138 /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: 37816 Total AfriNIC prefixes after maximum aggregation: 7055 AfriNIC Deaggregation factor: 5.36 Prefixes being announced from the AfriNIC address blocks: 54936 Unique aggregates announced from the AfriNIC address blocks: 19584 AfriNIC Region origin ASes present in the Internet Routing Table: 2044 AfriNIC Prefixes per ASN: 26.88 AfriNIC Region origin ASes announcing only one prefix: 740 AfriNIC Region transit ASes present in the Internet Routing Table: 386 Average AfriNIC Region AS path length visible: 5.2 Max AfriNIC Region AS path length visible: 70 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1408 Number of AfriNIC addresses announced to Internet: 104294912 Equivalent to 6 /8s, 55 /16s and 106 /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 13994 8737 119 CHINAMOBILE-CN - China Mobile Communicati 7545 5860 822 469 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 4961 552 329 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4644 347 25 FPT-VN - FPT Telecom Company, VN 7552 4067 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3731 1044 64 telkomnet-as-ap - PT Telekomunikasi Indon 56046 3560 887 177 CMNET-Jiangsu-AP - China Mobile communica 17561 3415 215 595 LCS-AS-AP - LARUS Limited, HK 45899 3383 1868 99 VNPT-AS-VN - VNPT Corp, VN 24560 2725 731 735 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 15339 41455 5605 AMAZON-02 - Amazon.com, Inc., US 22773 4781 3116 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4594 305 1120 CABLEONE - CABLE ONE, INC., US 7155 3871 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3726 1305 74 SHAW - Shaw Communications, CA 396982 3377 4868 520 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3138 54728 2389 DNIC-AS-00749 - United States Department 36352 3094 233 1038 AS-COLOCROSSING - HostPapa, US 7029 2654 2554 888 WINDSTREAM - Windstream Communications LL 30036 2545 353 578 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 7122 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4130 373 2509 M247 - M247 Europe SRL, RO 20940 3784 3389 109 AKAMAI-ASN1 - Akamai International B.V., 212238 3353 240 2508 CDNEXT - Datacamp Limited, GB 12389 3148 2320 870 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2479 366 586 TELLCOM-AS - Superonline Iletisim Hizmetl 44559 1752 110 812 ITHOSTLINE - IT HOSTLINE LTD, CY 8452 1700 1852 14 TE-AS - IDDQD-AS, EG 203020 1656 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 12818 3264 630 AS8151 - UNINET, MX 10620 3440 450 1104 AS10620 - Telmex Colombia S.A., CO 13999 2339 500 347 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1929 369 65 AS11830 - Instituto Costarricense de Elec 11664 1496 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1372 2431 269 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1342 768 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1217 371 22 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1091 70 360 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1060 2392 100 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 2027 617 34 Vodafone Data - Vodafone Data, EG 36992 1863 1533 338 ETISALAT MISR - ETISALAT MISR, EG 36903 1351 587 105 Office National des Postes et Telecommuni 36935 1294 523 45 Vodafone Data - Vodafone Data, EG 24863 1276 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 609 56 206 Africa on Cloud - Africa on Cloud, ZA 15399 559 57 61 Wananchi Group (Kenya) Limited - Wananchi 36914 554 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 15339 41455 5605 AMAZON-02 - Amazon.com, Inc., US 9808 13994 8737 119 CHINAMOBILE-CN - China Mobile Communicati 8151 12818 3264 630 AS8151 - UNINET, MX 12479 7122 1711 150 UNI2-AS - Orange Espagne SA, ES 7545 5860 822 469 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9498 4961 552 329 BBIL-AP - BHARTI Airtel Ltd., IN 22773 4781 3116 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4644 347 25 FPT-VN - FPT Telecom Company, VN 11492 4594 305 1120 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 13994 13875 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12818 12188 AS8151 - UNINET, MX 12479 7122 6972 UNI2-AS - Orange Espagne SA, ES 7545 5860 5391 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 4961 4632 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4644 4619 FPT-VN - FPT Telecom Company, VN 22773 4781 4417 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4067 4043 VIETEL-AS-AP - Viettel Group, VN 7155 3871 3784 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 219412 UNALLOCATED 5.175.190.0/24 20473 AS-VULTR - The Constant 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 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 23.131.104.0/24 Origin: 400290 UNASSIGNED 23.131.104.0/24 Transit: 6939 HURRICANE - Hurricane Electric LLC, US 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 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 /14:1186 /15:2111 /16:13644 /17:8232 /18:13284 /19:25427 /20:45720 /21:52538 /22:113561 /23:108632 /24:670016 /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 7024 12818 AS8151 - UNINET, MX 12479 6051 7122 UNI2-AS - Orange Espagne SA, ES 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3508 3726 SHAW - Shaw Communications, CA 11492 3479 4594 CABLEONE - CABLE ONE, INC., US 22773 3052 4781 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2824 3871 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2785 15339 AMAZON-02 - Amazon.com, Inc., US 10620 2244 3440 AS10620 - Telmex Colombia S.A., CO 30036 2203 2545 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) ---------------------------------------------- 1:2540 2:2047 3:1024 4:5 5:5258 6:204 7:6 8:1430 9:73 11:172 12:1115 13:760 14:2720 15:474 16:312 17:444 18:944 20:597 21:4 22:188 23:8390 24:2775 25:2 27:2796 28:1 29:19 31:3789 32:36 34:91 35:287 36:4814 37:4423 38:10134 39:1317 40:444 41:4567 42:2172 43:3290 44:461 45:19999 46:4952 47:465 48:168 49:2443 50:2006 51:877 52:1357 54:304 55:1179 56:11 57:318 58:2769 59:1492 60:1175 61:3164 62:3155 63:1690 64:6469 65:2154 66:6053 67:3313 68:1260 69:4100 70:1057 71:606 72:3230 74:3087 75:1501 76:593 77:2919 78:2102 79:1798 80:2346 81:2298 82:4334 83:1473 84:2219 85:3861 86:1083 87:2745 88:1312 89:4765 90:789 91:8458 92:2774 93:3003 94:4661 95:4676 96:1447 97:308 98:941 99:867 100:69 101:1626 102:4722 103:33012 104:5589 105:860 106:902 107:2947 108:1310 109:3932 110:2291 111:4145 112:3099 113:1981 114:2505 115:2306 116:2098 117:3595 118:3057 119:2062 120:2739 121:1635 122:3003 123:2195 124:1980 125:3033 126:158 128:1576 129:964 130:1691 131:2466 132:894 133:488 134:1739 135:634 136:1488 137:1366 138:3407 139:1799 140:1854 141:1724 142:2573 143:2083 144:1807 145:659 146:2186 147:2262 148:2808 149:3304 150:1385 151:2960 152:2604 153:1732 154:9729 155:2348 156:4551 157:2510 158:1588 159:2867 160:3878 161:2037 162:4127 163:2628 164:2421 165:2793 166:1270 167:2364 168:4135 169:879 170:5631 171:1143 172:4904 173:3471 174:901 175:1362 176:3960 177:5077 178:4520 179:2452 180:3529 181:4703 182:4039 183:2879 184:2062 185:21865 186:6607 187:5411 188:4816 189:4632 190:10609 191:1790 192:11733 193:9628 194:7849 195:5842 196:3423 197:3252 198:6119 199:6110 200:8596 201:6622 202:10633 203:10664 204:4732 205:3732 206:4409 207:3866 208:4349 209:5420 210:4732 211:2688 212:5122 213:4095 214:1040 215:47 216:7286 217:3692 218:1771 219:411 220:2216 221:1354 222:942 223:3598 End of report