IPv4 R&E Routing Table Report 23:00 GMT Sat 22 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: 1065553 Prefixes after maximum aggregation (per Origin AS): 409259 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 528576 Number of IPv4 prefixes with a valid ROA: 735851 Number of IPv4 prefixes with an invalid ROA: 418 Number of IPv4 prefixes with no ROA: 329284 Total ASes present in the Internet Routing Table: 79051 Prefixes per ASN: 13.48 Origin-only ASes present in the Internet Routing Table: 67675 Origin ASes announcing only one prefix: 27677 Transit ASes present in the Internet Routing Table: 11376 Transit-only ASes present in the Internet Routing Table: 616 Paths with bogon ASNs present in the IPv4 Routing Table: 51 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: 1263 Number of instances of unregistered ASNs: 1302 Number of 32-bit ASNs allocated by the RIRs: 50926 Number of 32-bit ASNs visible in the Routing Table: 41409 Prefixes from 32-bit ASNs in the Routing Table: 239325 Number of bogon 32-bit ASNs visible in the Routing Table: 92 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 510 Number of addresses announced to Internet: 3119974656 Equivalent to 185 /8s, 247 /16s and 9 /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: 350281 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 290717 Total APNIC prefixes after maximum aggregation: 84101 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 277211 Unique aggregates announced from the APNIC address blocks: 109408 APNIC Region origin ASes present in the Internet Routing Table: 15294 APNIC Prefixes per ASN: 18.13 APNIC Region origin ASes announcing only one prefix: 4681 APNIC Region transit ASes present in the Internet Routing Table: 2077 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: 10912 Number of APNIC addresses announced to Internet: 748360960 Equivalent to 44 /8s, 155 /16s and 21 /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: 307828 Total ARIN prefixes after maximum aggregation: 138608 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 306006 Unique aggregates announced from the ARIN address blocks: 150831 ARIN Region origin ASes present in the Internet Routing Table: 19485 ARIN Prefixes per ASN: 15.70 ARIN Region origin ASes announcing only one prefix: 7176 ARIN Region transit ASes present in the Internet Routing Table: 1926 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: 5743 Number of ARIN addresses announced to Internet: 1350218240 Equivalent to 80 /8s, 122 /16s and 178 /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: 296864 Total RIPE prefixes after maximum aggregation: 147366 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 302387 Unique aggregates announced from the RIPE address blocks: 197611 RIPE Region origin ASes present in the Internet Routing Table: 29739 RIPE Prefixes per ASN: 10.17 RIPE Region origin ASes announcing only one prefix: 12293 RIPE Region transit ASes present in the Internet Routing Table: 4143 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: 13749 Number of RIPE addresses announced to Internet: 749757696 Equivalent to 44 /8s, 176 /16s and 101 /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: 131225 Total LACNIC prefixes after maximum aggregation: 31432 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 125396 Unique aggregates announced from the LACNIC address blocks: 51251 LACNIC Region origin ASes present in the Internet Routing Table: 11478 LACNIC Prefixes per ASN: 10.92 LACNIC Region origin ASes announcing only one prefix: 2779 LACNIC Region transit ASes present in the Internet Routing Table: 2646 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: 9572 Number of LACNIC addresses announced to Internet: 168133632 Equivalent to 10 /8s, 5 /16s and 132 /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: 37656 Total AfriNIC prefixes after maximum aggregation: 7017 AfriNIC Deaggregation factor: 5.37 Prefixes being announced from the AfriNIC address blocks: 54043 Unique aggregates announced from the AfriNIC address blocks: 19049 AfriNIC Region origin ASes present in the Internet Routing Table: 2065 AfriNIC Prefixes per ASN: 26.17 AfriNIC Region origin ASes announcing only one prefix: 748 AfriNIC Region transit ASes present in the Internet Routing Table: 376 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 85 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1433 Number of AfriNIC addresses announced to Internet: 103223296 Equivalent to 6 /8s, 39 /16s and 16 /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 14128 8736 124 CHINAMOBILE-CN - China Mobile Communicati 7545 5839 832 279 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 5070 559 342 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4633 347 24 FPT-VN - FPT Telecom Company, VN 7552 4077 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3656 1043 65 telkomnet-as-ap - PT Telekomunikasi Indon 56046 3618 888 178 CMNET-Jiangsu-AP - China Mobile communica 45899 3401 1868 98 VNPT-AS-VN - VNPT Corp, VN 140292 3121 317 1817 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK - 17561 2801 176 491 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 15965 42030 5650 AMAZON-02 - Amazon.com, Inc., US 22773 4870 3170 426 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4602 306 1138 CABLEONE - CABLE ONE, INC., US 7155 3998 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3743 1305 74 SHAW - Shaw Communications, CA 396982 3460 4879 547 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3175 237 1110 AS-COLOCROSSING - HostPapa, US 749 3131 54647 2382 DNIC-AS-00749 - United States Department 7029 2776 2591 890 WINDSTREAM - Windstream Communications LL 31898 2648 1340 1169 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 6978 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4907 302 76 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4177 373 2541 M247 - M247 Europe SRL, RO 20940 3811 3388 106 AKAMAI-ASN1 - Akamai International B.V., 212238 3545 256 2673 CDNEXT - Datacamp Limited, GB 12389 3119 2329 867 ROSTELECOM-AS - PJSC Rostelecom, RU 29355 2520 150 27 KCELL-AS - Kcell JSC, KZ 34984 2511 369 583 TELLCOM-AS - Superonline Iletisim Hizmetl 44559 1947 122 912 ITHOSTLINE - IT HOSTLINE LTD, CY 8452 1716 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 13088 3285 612 AS8151 - UNINET, MX 10620 3444 451 1107 AS10620 - Telmex Colombia S.A., CO 13999 2264 499 331 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1884 369 65 AS11830 - Instituto Costarricense de Elec 11664 1499 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1377 2431 269 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1266 762 224 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1192 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1096 70 384 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1049 2343 92 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 1982 537 31 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 1296 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 36935 1254 523 49 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 15399 558 57 61 Wananchi Group (Kenya) Limited - Wananchi 36914 541 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 15965 42030 5650 AMAZON-02 - Amazon.com, Inc., US 9808 14128 8736 124 CHINAMOBILE-CN - China Mobile Communicati 8151 13088 3285 612 AS8151 - UNINET, MX 12479 6978 1711 150 UNI2-AS - Orange Espagne SA, ES 7545 5839 832 279 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 5070 559 342 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 4633 347 24 FPT-VN - FPT Telecom Company, VN 11492 4602 306 1138 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 14128 14004 CHINAMOBILE-CN - China Mobile Communications Gr 8151 13088 12476 AS8151 - UNINET, MX 12479 6978 6828 UNI2-AS - Orange Espagne SA, ES 7545 5839 5560 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4907 4831 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5070 4728 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4633 4609 FPT-VN - FPT Telecom Company, VN 22773 4870 4444 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4077 4053 VIETEL-AS-AP - Viettel Group, VN 7155 3998 3911 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 23.130.160.0/24 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 /13:588 /14:1187 /15:2124 /16:13677 /17:8227 /18:13210 /19:25427 /20:45600 /21:53431 /22:113556 /23:110218 /24:677843 /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 7260 13088 AS8151 - UNINET, MX 12479 5909 6978 UNI2-AS - Orange Espagne SA, ES 39891 3656 4907 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3522 3743 SHAW - Shaw Communications, CA 11492 3507 4602 CABLEONE - CABLE ONE, INC., US 22773 3111 4870 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 3056 15965 AMAZON-02 - Amazon.com, Inc., US 7155 2951 3998 VIASAT-SP-BACKBONE - ViaSat,Inc., US 10620 2248 3444 AS10620 - Telmex Colombia S.A., CO 30036 2205 2550 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) ---------------------------------------------- 1:2686 2:2865 3:1029 4:5 5:5388 6:206 7:6 8:1357 9:97 11:172 12:1097 13:905 14:2755 15:488 16:269 17:463 18:959 20:602 21:4 22:188 23:8541 24:2726 25:2 27:2950 28:7 29:19 31:3849 32:36 34:94 35:292 36:4906 37:4473 38:10314 39:1392 40:424 41:4618 42:2232 43:3456 44:505 45:19916 46:4997 47:478 48:171 49:2431 50:2017 51:857 52:1370 54:325 55:1072 56:11 57:329 58:2475 59:1373 60:1257 61:3252 62:3166 63:1724 64:6608 65:2185 66:6230 67:3331 68:1307 69:4088 70:1046 71:603 72:3248 74:3107 75:1608 76:590 77:2980 78:2126 79:1835 80:2381 81:2296 82:4405 83:1496 84:2156 85:3916 86:1132 87:2986 88:1335 89:4864 90:765 91:8525 92:2745 93:3044 94:4532 95:4776 96:1451 97:307 98:940 99:981 100:65 101:1595 102:4788 103:33105 104:5660 105:839 106:927 107:2986 108:1396 109:3968 110:2284 111:4218 112:3149 113:1949 114:2583 115:2313 116:2124 117:3865 118:3059 119:2126 120:2822 121:1839 122:3066 123:2227 124:1743 125:3026 126:156 128:1569 129:976 130:1734 131:2534 132:883 133:492 134:1762 135:675 136:1573 137:1393 138:3431 139:1808 140:1871 141:1835 142:2645 143:2222 144:1882 145:676 146:2195 147:2341 148:2846 149:3639 150:1439 151:3013 152:2671 153:2048 154:9597 155:2396 156:4130 157:2541 158:1639 159:2932 160:4055 161:2100 162:4217 163:2706 164:2426 165:2789 166:1225 167:2397 168:4227 169:921 170:5642 171:1127 172:4903 173:3469 174:889 175:1415 176:4050 177:5532 178:4580 179:2798 180:3417 181:4659 182:4089 183:2879 184:2066 185:21980 186:6502 187:5775 188:4702 189:4780 190:10032 191:1863 192:11802 193:9658 194:7944 195:5938 196:3413 197:3236 198:6182 199:6129 200:8279 201:6759 202:10667 203:10718 204:4719 205:3697 206:4392 207:3916 208:4314 209:5411 210:4743 211:2722 212:5283 213:4132 214:1022 215:47 216:7330 217:3761 218:1903 219:419 220:2264 221:1460 222:966 223:3616 End of report