IPv4 R&E Routing Table Report 23:00 GMT Fri 10 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: 1055426 Prefixes after maximum aggregation (per Origin AS): 406324 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 524509 Number of IPv4 prefixes with a valid ROA: 712570 Number of IPv4 prefixes with an invalid ROA: 545 Number of IPv4 prefixes with no ROA: 342311 Total ASes present in the Internet Routing Table: 78757 Prefixes per ASN: 13.40 Origin-only ASes present in the Internet Routing Table: 67469 Origin ASes announcing only one prefix: 27532 Transit ASes present in the Internet Routing Table: 11288 Transit-only ASes present in the Internet Routing Table: 597 Paths with bogon ASNs present in the IPv4 Routing Table: 71 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: 1299 Number of instances of unregistered ASNs: 1331 Number of 32-bit ASNs allocated by the RIRs: 50373 Number of 32-bit ASNs visible in the Routing Table: 41057 Prefixes from 32-bit ASNs in the Routing Table: 235743 Number of bogon 32-bit ASNs visible in the Routing Table: 112 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 472 Number of addresses announced to Internet: 3118770176 Equivalent to 185 /8s, 228 /16s and 168 /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: 345202 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 288810 Total APNIC prefixes after maximum aggregation: 84017 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 274617 Unique aggregates announced from the APNIC address blocks: 109053 APNIC Region origin ASes present in the Internet Routing Table: 15266 APNIC Prefixes per ASN: 17.99 APNIC Region origin ASes announcing only one prefix: 4679 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: 36 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10878 Number of APNIC addresses announced to Internet: 748734208 Equivalent to 44 /8s, 160 /16s and 199 /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: 305367 Total ARIN prefixes after maximum aggregation: 137710 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 303840 Unique aggregates announced from the ARIN address blocks: 149579 ARIN Region origin ASes present in the Internet Routing Table: 19452 ARIN Prefixes per ASN: 15.62 ARIN Region origin ASes announcing only one prefix: 7132 ARIN Region transit ASes present in the Internet Routing Table: 1904 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: 5668 Number of ARIN addresses announced to Internet: 1348228864 Equivalent to 80 /8s, 92 /16s and 87 /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: 293167 Total RIPE prefixes after maximum aggregation: 145794 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 297531 Unique aggregates announced from the RIPE address blocks: 195253 RIPE Region origin ASes present in the Internet Routing Table: 29590 RIPE Prefixes per ASN: 10.06 RIPE Region origin ASes announcing only one prefix: 12234 RIPE Region transit ASes present in the Internet Routing Table: 4111 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: 13590 Number of RIPE addresses announced to Internet: 749421312 Equivalent to 44 /8s, 171 /16s and 67 /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: 128934 Total LACNIC prefixes after maximum aggregation: 30933 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 123704 Unique aggregates announced from the LACNIC address blocks: 50514 LACNIC Region origin ASes present in the Internet Routing Table: 11444 LACNIC Prefixes per ASN: 10.81 LACNIC Region origin ASes announcing only one prefix: 2761 LACNIC Region transit ASes present in the Internet Routing Table: 2621 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 105 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9512 Number of LACNIC addresses announced to Internet: 167941376 Equivalent to 10 /8s, 2 /16s and 149 /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: 37849 Total AfriNIC prefixes after maximum aggregation: 7120 AfriNIC Deaggregation factor: 5.32 Prefixes being announced from the AfriNIC address blocks: 55262 Unique aggregates announced from the AfriNIC address blocks: 19712 AfriNIC Region origin ASes present in the Internet Routing Table: 2044 AfriNIC Prefixes per ASN: 27.04 AfriNIC Region origin ASes announcing only one prefix: 726 AfriNIC Region transit ASes present in the Internet Routing Table: 378 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: 1409 Number of AfriNIC addresses announced to Internet: 104176128 Equivalent to 6 /8s, 53 /16s and 154 /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 14006 8737 120 CHINAMOBILE-CN - China Mobile Communicati 7545 5854 820 460 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 5009 555 333 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4623 347 25 FPT-VN - FPT Telecom Company, VN 7552 4072 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3758 1044 64 telkomnet-as-ap - PT Telekomunikasi Indon 17561 3740 235 600 LCS-AS-AP - LARUS Limited, HK 56046 3578 888 178 CMNET-Jiangsu-AP - China Mobile communica 45899 3391 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 15472 41509 5618 AMAZON-02 - Amazon.com, Inc., US 22773 4783 3116 362 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4533 301 1148 CABLEONE - CABLE ONE, INC., US 7155 3962 286 111 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3725 1305 74 SHAW - Shaw Communications, CA 396982 3422 4872 531 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3166 238 1095 AS-COLOCROSSING - HostPapa, US 749 3138 54728 2389 DNIC-AS-00749 - United States Department 7029 2659 2554 873 WINDSTREAM - Windstream Communications LL 30036 2551 352 556 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 7083 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4842 298 76 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4167 375 2551 M247 - M247 Europe SRL, RO 20940 3789 3389 109 AKAMAI-ASN1 - Akamai International B.V., 212238 3430 245 2577 CDNEXT - Datacamp Limited, GB 12389 3119 2321 870 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2491 367 588 TELLCOM-AS - Superonline Iletisim Hizmetl 8452 1712 1852 14 TE-AS - IDDQD-AS, EG 203020 1652 253 828 HostRoyale - HostRoyale Technologies Pvt 44559 1640 103 765 ITHOSTLINE - IT HOSTLINE LTD, CY 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 12768 3255 626 AS8151 - UNINET, MX 10620 3440 450 1104 AS10620 - Telmex Colombia S.A., CO 13999 2296 503 331 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1910 369 65 AS11830 - Instituto Costarricense de Elec 11664 1464 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 1213 371 22 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1097 70 386 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1062 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 1924 1543 334 ETISALAT MISR - ETISALAT MISR, EG 36903 1351 587 105 Office National des Postes et Telecommuni 24863 1299 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 36935 1297 523 46 Vodafone Data - Vodafone Data, EG 37069 1108 1100 11 The Egyptian Company for Mobile Services 29571 1085 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 328608 659 59 216 Africa on Cloud - Africa on Cloud, ZA 15399 560 57 61 Wananchi Group (Kenya) Limited - Wananchi 36914 555 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 15472 41509 5618 AMAZON-02 - Amazon.com, Inc., US 9808 14006 8737 120 CHINAMOBILE-CN - China Mobile Communicati 8151 12768 3255 626 AS8151 - UNINET, MX 12479 7083 1711 150 UNI2-AS - Orange Espagne SA, ES 7545 5854 820 460 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 5009 555 333 BBIL-AP - BHARTI Airtel Ltd., IN 39891 4842 298 76 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4783 3116 362 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4623 347 25 FPT-VN - FPT Telecom Company, VN 11492 4533 301 1148 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 14006 13886 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12768 12142 AS8151 - UNINET, MX 12479 7083 6933 UNI2-AS - Orange Espagne SA, ES 7545 5854 5394 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4842 4766 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5009 4676 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4623 4598 FPT-VN - FPT Telecom Company, VN 22773 4783 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 /13:584 /14:1183 /15:2118 /16:13670 /17:8249 /18:13285 /19:25448 /20:45727 /21:52674 /22:113280 /23:108651 /24:670092 /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 7005 12768 AS8151 - UNINET, MX 12479 6009 7083 UNI2-AS - Orange Espagne SA, ES 39891 3531 4842 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3506 3725 SHAW - Shaw Communications, CA 11492 3430 4533 CABLEONE - CABLE ONE, INC., US 22773 3053 4783 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2916 3962 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2868 15472 AMAZON-02 - Amazon.com, Inc., US 10620 2244 3440 AS10620 - Telmex Colombia S.A., CO 30036 2207 2551 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) ---------------------------------------------- 1:2534 2:2036 3:1019 4:5 5:5331 6:207 7:6 8:1386 9:76 11:172 12:1109 13:786 14:2735 15:474 16:291 17:448 18:945 20:599 21:4 22:188 23:8468 24:2773 25:2 27:2811 28:6 29:19 31:3822 32:36 34:92 35:286 36:4859 37:4427 38:10171 39:1373 40:433 41:4580 42:2196 43:3343 44:465 45:20125 46:4962 47:474 48:168 49:2404 50:2001 51:861 52:1364 54:295 55:1172 56:11 57:325 58:2395 59:1354 60:1209 61:3162 62:3158 63:1661 64:6490 65:2162 66:6080 67:3312 68:1296 69:4086 70:1053 71:607 72:3270 74:3058 75:1507 76:595 77:2907 78:2106 79:1865 80:2376 81:2300 82:4277 83:1487 84:2182 85:3905 86:1093 87:2773 88:1310 89:4809 90:782 91:8488 92:2772 93:2905 94:4448 95:4711 96:1449 97:307 98:929 99:973 100:72 101:1613 102:4739 103:33096 104:5607 105:839 106:906 107:2949 108:1328 109:3893 110:2289 111:4153 112:3116 113:1927 114:2512 115:2309 116:2093 117:3634 118:3060 119:2077 120:2776 121:1642 122:3014 123:2220 124:1777 125:3031 126:158 128:1569 129:970 130:1704 131:2529 132:894 133:488 134:1749 135:642 136:1532 137:1372 138:3420 139:1800 140:1871 141:1735 142:2623 143:2091 144:1840 145:671 146:2179 147:2285 148:2802 149:3317 150:1339 151:2968 152:2619 153:1891 154:10042 155:2357 156:4656 157:2524 158:1606 159:2887 160:3891 161:2041 162:4164 163:2669 164:2427 165:2786 166:1302 167:2357 168:4205 169:877 170:5609 171:1138 172:4910 173:3486 174:887 175:1372 176:4034 177:5136 178:4486 179:2524 180:3370 181:4603 182:4041 183:2827 184:2051 185:21916 186:6515 187:5486 188:4741 189:4631 190:9940 191:1791 192:11796 193:9625 194:7907 195:5881 196:3427 197:3231 198:6137 199:6075 200:8119 201:6632 202:10661 203:10665 204:4715 205:3735 206:4394 207:3885 208:4333 209:5417 210:4743 211:2690 212:5192 213:4104 214:1026 215:47 216:7310 217:3748 218:1766 219:418 220:2212 221:1364 222:940 223:3598 End of report