IPv4 R&E Routing Table Report 23:00 GMT Sat 29 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: 1067038 Prefixes after maximum aggregation (per Origin AS): 410568 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 529506 Number of IPv4 prefixes with a valid ROA: 739360 Number of IPv4 prefixes with an invalid ROA: 400 Number of IPv4 prefixes with no ROA: 327278 Total ASes present in the Internet Routing Table: 79098 Prefixes per ASN: 13.49 Origin-only ASes present in the Internet Routing Table: 67728 Origin ASes announcing only one prefix: 27710 Transit ASes present in the Internet Routing Table: 11370 Transit-only ASes present in the Internet Routing Table: 625 Paths with bogon ASNs present in the IPv4 Routing Table: 64 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: 1226 Number of instances of unregistered ASNs: 1237 Number of 32-bit ASNs allocated by the RIRs: 51014 Number of 32-bit ASNs visible in the Routing Table: 41460 Prefixes from 32-bit ASNs in the Routing Table: 239731 Number of bogon 32-bit ASNs visible in the Routing Table: 28 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 505 Number of addresses announced to Internet: 3123702272 Equivalent to 186 /8s, 47 /16s and 234 /24s Percentage of available address space announced: 84.4 Percentage of allocated address space announced: 84.4 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: 350922 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 290864 Total APNIC prefixes after maximum aggregation: 85045 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 277369 Unique aggregates announced from the APNIC address blocks: 109617 APNIC Region origin ASes present in the Internet Routing Table: 15305 APNIC Prefixes per ASN: 18.12 APNIC Region origin ASes announcing only one prefix: 4702 APNIC Region transit ASes present in the Internet Routing Table: 2080 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: 10925 Number of APNIC addresses announced to Internet: 748380672 Equivalent to 44 /8s, 155 /16s and 98 /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: 308723 Total ARIN prefixes after maximum aggregation: 138728 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 306557 Unique aggregates announced from the ARIN address blocks: 150955 ARIN Region origin ASes present in the Internet Routing Table: 19481 ARIN Prefixes per ASN: 15.74 ARIN Region origin ASes announcing only one prefix: 7167 ARIN Region transit ASes present in the Internet Routing Table: 1931 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: 5747 Number of ARIN addresses announced to Internet: 1353216768 Equivalent to 80 /8s, 168 /16s and 115 /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: 297196 Total RIPE prefixes after maximum aggregation: 147553 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 302897 Unique aggregates announced from the RIPE address blocks: 198054 RIPE Region origin ASes present in the Internet Routing Table: 29765 RIPE Prefixes per ASN: 10.18 RIPE Region origin ASes announcing only one prefix: 12302 RIPE Region transit ASes present in the Internet Routing Table: 4134 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13780 Number of RIPE addresses announced to Internet: 749929728 Equivalent to 44 /8s, 179 /16s and 5 /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: 131323 Total LACNIC prefixes after maximum aggregation: 31504 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 125474 Unique aggregates announced from the LACNIC address blocks: 51409 LACNIC Region origin ASes present in the Internet Routing Table: 11482 LACNIC Prefixes per ASN: 10.93 LACNIC Region origin ASes announcing only one prefix: 2786 LACNIC Region transit ASes present in the Internet Routing Table: 2628 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: 9569 Number of LACNIC addresses announced to Internet: 168053248 Equivalent to 10 /8s, 4 /16s and 74 /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: 37706 Total AfriNIC prefixes after maximum aggregation: 7016 AfriNIC Deaggregation factor: 5.37 Prefixes being announced from the AfriNIC address blocks: 54236 Unique aggregates announced from the AfriNIC address blocks: 19040 AfriNIC Region origin ASes present in the Internet Routing Table: 2071 AfriNIC Prefixes per ASN: 26.19 AfriNIC Region origin ASes announcing only one prefix: 753 AfriNIC Region transit ASes present in the Internet Routing Table: 382 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 98 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1439 Number of AfriNIC addresses announced to Internet: 103845632 Equivalent to 6 /8s, 48 /16s and 143 /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 14144 8736 125 CHINAMOBILE-CN - China Mobile Communicati 9498 5076 559 343 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4655 347 24 FPT-VN - FPT Telecom Company, VN 7545 4636 831 275 TPG-INTERNET-AP - TPG Telecom Limited, AU 7552 4077 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3660 1043 65 telkomnet-as-ap - PT Telekomunikasi Indon 56046 3619 888 178 CMNET-Jiangsu-AP - China Mobile communica 45899 3397 1868 98 VNPT-AS-VN - VNPT Corp, VN 140292 3106 316 1809 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK - 17561 2788 175 481 LCS-AS-AP - LARUS Limited, HK 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 16324 42640 5627 AMAZON-02 - Amazon.com, Inc., US 22773 4870 3170 426 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4607 306 1134 CABLEONE - CABLE ONE, INC., US 7155 3999 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3744 1305 74 SHAW - Shaw Communications, CA 396982 3465 4879 550 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3171 237 1112 AS-COLOCROSSING - HostPapa, US 749 3131 54647 2382 DNIC-AS-00749 - United States Department 7029 2785 2591 890 WINDSTREAM - Windstream Communications LL 31898 2683 1343 1149 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 6965 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4907 302 76 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4181 373 2539 M247 - M247 Europe SRL, RO 20940 3802 3388 103 AKAMAI-ASN1 - Akamai International B.V., 212238 3534 255 2664 CDNEXT - Datacamp Limited, GB 12389 3115 2329 865 ROSTELECOM-AS - PJSC Rostelecom, RU 29355 2520 150 27 KCELL-AS - Kcell JSC, KZ 34984 2513 369 585 TELLCOM-AS - Superonline Iletisim Hizmetl 44559 1940 121 917 ITHOSTLINE - IT HOSTLINE LTD, CY 8452 1721 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 13119 3289 607 AS8151 - UNINET, MX 10620 3445 451 1108 AS10620 - Telmex Colombia S.A., CO 13999 2253 496 330 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1884 369 65 AS11830 - Instituto Costarricense de Elec 11664 1502 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1376 2431 274 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1266 762 224 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1190 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1100 70 385 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 27715 1088 75 55 AS27715 - Locaweb Servicos de Internet S/ 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 1982 537 31 Vodafone Data - Vodafone Data, EG 36992 1929 1543 334 ETISALAT MISR - ETISALAT MISR, EG 36903 1352 588 105 Office National des Postes et Telecommuni 24863 1296 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 36935 1254 523 49 Vodafone Data - Vodafone Data, EG 37069 1120 1100 11 The Egyptian Company for Mobile Services 29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 15399 558 57 61 Wananchi Group (Kenya) Limited - Wananchi 36914 546 82 3 Kenya Education Network - Kenya Education 37342 541 32 1 Movitel, SA - Movitel, SA, MZ 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 16324 42640 5627 AMAZON-02 - Amazon.com, Inc., US 9808 14144 8736 125 CHINAMOBILE-CN - China Mobile Communicati 8151 13119 3289 607 AS8151 - UNINET, MX 12479 6965 1711 150 UNI2-AS - Orange Espagne SA, ES 9498 5076 559 343 BBIL-AP - BHARTI Airtel Ltd., IN 39891 4907 302 76 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4870 3170 426 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4655 347 24 FPT-VN - FPT Telecom Company, VN 7545 4636 831 275 TPG-INTERNET-AP - TPG Telecom Limited, AU 11492 4607 306 1134 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 14144 14019 CHINAMOBILE-CN - China Mobile Communications Gr 8151 13119 12512 AS8151 - UNINET, MX 12479 6965 6815 UNI2-AS - Orange Espagne SA, ES 39891 4907 4831 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5076 4733 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4655 4631 FPT-VN - FPT Telecom Company, VN 22773 4870 4444 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7545 4636 4361 TPG-INTERNET-AP - TPG Telecom Limited, AU 7552 4077 4053 VIETEL-AS-AP - Viettel Group, VN 7155 3999 3912 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 397274 UNALLOCATED 8.36.79.0/24 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 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3 - Level 3 Parent 394928 UNALLOCATED 8.44.162.0/24 3356 LEVEL3 - Level 3 Parent 26345 UNALLOCATED 12.21.93.0/24 40264 TWC-40264-WI-MN-UPPERMI Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.130.160.0/24 Origin: 16509 AMAZON-02 - Amazon.com, Inc., US 23.130.160.0/24 Transit: 2914 NTT-DATA-2914 - NTT America, Inc., US 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 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 /13:590 /14:1191 /15:2129 /16:13709 /17:8232 /18:13207 /19:25439 /20:45628 /21:53482 /22:113475 /23:110415 /24:679076 /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 7290 13119 AS8151 - UNINET, MX 12479 5893 6965 UNI2-AS - Orange Espagne SA, ES 39891 3656 4907 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3523 3744 SHAW - Shaw Communications, CA 11492 3513 4607 CABLEONE - CABLE ONE, INC., US 16509 3162 16324 AMAZON-02 - Amazon.com, Inc., US 22773 3111 4870 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2952 3999 VIASAT-SP-BACKBONE - ViaSat,Inc., US 10620 2249 3445 AS10620 - Telmex Colombia S.A., CO 30036 2199 2547 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) ---------------------------------------------- 1:2704 2:2876 3:1129 4:5 5:5386 6:207 7:6 8:1349 9:100 11:172 12:1095 13:930 14:2693 15:484 16:270 17:463 18:1060 20:602 21:4 22:188 23:8541 24:2815 25:2 27:2931 28:7 29:19 31:3846 32:36 34:94 35:292 36:4918 37:4481 38:10312 39:1407 40:436 41:4629 42:2246 43:3465 44:506 45:19920 46:4990 47:479 48:171 49:2436 50:2011 51:905 52:1384 54:326 55:1069 56:11 57:330 58:2485 59:1375 60:1195 61:3260 62:3171 63:1708 64:6596 65:2180 66:6243 67:3330 68:1304 69:4114 70:1049 71:601 72:3265 74:3118 75:1611 76:589 77:3018 78:2154 79:1841 80:2376 81:2298 82:4376 83:1503 84:2132 85:3921 86:1133 87:2981 88:1336 89:4845 90:760 91:8516 92:2777 93:3049 94:4565 95:4799 96:1453 97:305 98:937 99:1003 100:65 101:1600 102:4780 103:33157 104:5687 105:929 106:928 107:2990 108:1459 109:3987 110:2235 111:4230 112:3154 113:1957 114:2577 115:2310 116:2126 117:3872 118:3025 119:2132 120:2825 121:1835 122:3064 123:2216 124:1737 125:3027 126:156 128:1580 129:973 130:1738 131:2536 132:889 133:492 134:1772 135:676 136:1567 137:1391 138:3437 139:1814 140:1868 141:1832 142:2657 143:2216 144:1874 145:691 146:2215 147:2365 148:2847 149:3652 150:1472 151:3002 152:2642 153:2089 154:9557 155:2384 156:4116 157:2535 158:1640 159:2942 160:4068 161:2117 162:4226 163:2719 164:2441 165:2779 166:1219 167:2390 168:4295 169:934 170:5648 171:1124 172:4907 173:3466 174:892 175:1416 176:4051 177:5563 178:4633 179:2788 180:3504 181:4662 182:4081 183:2890 184:2060 185:21980 186:6572 187:5758 188:4760 189:4778 190:10023 191:1880 192:11813 193:9625 194:7955 195:5964 196:3401 197:3218 198:6174 199:6116 200:8269 201:6819 202:10687 203:10713 204:4712 205:3718 206:4390 207:3919 208:4316 209:5456 210:4705 211:2723 212:5299 213:4134 214:1026 215:47 216:7306 217:3766 218:1923 219:421 220:2244 221:1465 222:975 223:3622 End of report