IPv4 R&E Routing Table Report 23:00 GMT Mon 07 Sep, 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: 1069678 Prefixes after maximum aggregation (per Origin AS): 411788 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 531284 Number of IPv4 prefixes with a valid ROA: 743946 Number of IPv4 prefixes with an invalid ROA: 390 Number of IPv4 prefixes with no ROA: 325342 Total ASes present in the Internet Routing Table: 79185 Prefixes per ASN: 13.51 Origin-only ASes present in the Internet Routing Table: 67819 Origin ASes announcing only one prefix: 27729 Transit ASes present in the Internet Routing Table: 11366 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: 4.8 Max AS path length visible: 216 Max AS path prepend of ASN (205624) 211 Prefixes from unregistered ASNs in the Routing Table: 1211 Number of instances of unregistered ASNs: 1223 Number of 32-bit ASNs allocated by the RIRs: 51147 Number of 32-bit ASNs visible in the Routing Table: 41550 Prefixes from 32-bit ASNs in the Routing Table: 240862 Number of bogon 32-bit ASNs visible in the Routing Table: 30 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 516 Number of addresses announced to Internet: 3124103680 Equivalent to 186 /8s, 54 /16s and 10 /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: 352229 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 291093 Total APNIC prefixes after maximum aggregation: 85344 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 277628 Unique aggregates announced from the APNIC address blocks: 110178 APNIC Region origin ASes present in the Internet Routing Table: 15335 APNIC Prefixes per ASN: 18.10 APNIC Region origin ASes announcing only one prefix: 4702 APNIC Region transit ASes present in the Internet Routing Table: 2089 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: 10951 Number of APNIC addresses announced to Internet: 748582912 Equivalent to 44 /8s, 158 /16s and 120 /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: 309261 Total ARIN prefixes after maximum aggregation: 138931 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 307468 Unique aggregates announced from the ARIN address blocks: 151608 ARIN Region origin ASes present in the Internet Routing Table: 19489 ARIN Prefixes per ASN: 15.78 ARIN Region origin ASes announcing only one prefix: 7176 ARIN Region transit ASes present in the Internet Routing Table: 1928 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: 5760 Number of ARIN addresses announced to Internet: 1353553920 Equivalent to 80 /8s, 173 /16s and 152 /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: 298467 Total RIPE prefixes after maximum aggregation: 148248 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 303890 Unique aggregates announced from the RIPE address blocks: 198695 RIPE Region origin ASes present in the Internet Routing Table: 29805 RIPE Prefixes per ASN: 10.20 RIPE Region origin ASes announcing only one prefix: 12322 RIPE Region transit ASes present in the Internet Routing Table: 4142 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: 13823 Number of RIPE addresses announced to Internet: 749733120 Equivalent to 44 /8s, 176 /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: 131696 Total LACNIC prefixes after maximum aggregation: 31516 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 125809 Unique aggregates announced from the LACNIC address blocks: 51419 LACNIC Region origin ASes present in the Internet Routing Table: 11495 LACNIC Prefixes per ASN: 10.94 LACNIC Region origin ASes announcing only one prefix: 2764 LACNIC Region transit ASes present in the Internet Routing Table: 2623 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: 9574 Number of LACNIC addresses announced to Internet: 168121600 Equivalent to 10 /8s, 5 /16s and 85 /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: 37950 Total AfriNIC prefixes after maximum aggregation: 7039 AfriNIC Deaggregation factor: 5.39 Prefixes being announced from the AfriNIC address blocks: 54367 Unique aggregates announced from the AfriNIC address blocks: 18962 AfriNIC Region origin ASes present in the Internet Routing Table: 2078 AfriNIC Prefixes per ASN: 26.16 AfriNIC Region origin ASes announcing only one prefix: 765 AfriNIC Region transit ASes present in the Internet Routing Table: 375 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: 1442 Number of AfriNIC addresses announced to Internet: 103832576 Equivalent to 6 /8s, 48 /16s and 92 /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 14012 8735 127 CHINAMOBILE-CN - China Mobile Communicati 9498 5104 561 345 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4655 347 24 FPT-VN - FPT Telecom Company, VN 7545 4633 825 315 TPG-INTERNET-AP - TPG Telecom Limited, AU 7552 4074 1331 24 VIETEL-AS-AP - Viettel Group, VN 56046 3621 887 179 CMNET-Jiangsu-AP - China Mobile communica 7713 3544 1043 69 telkomnet-as-ap - PT Telekomunikasi Indon 45899 3400 1868 98 VNPT-AS-VN - VNPT Corp, VN 140292 3084 315 1804 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK - 24560 2477 589 700 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 16469 42644 5651 AMAZON-02 - Amazon.com, Inc., US 22773 4857 3121 417 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4612 306 1128 CABLEONE - CABLE ONE, INC., US 7155 4054 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3749 1305 74 SHAW - Shaw Communications, CA 396982 3472 4880 553 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3175 237 1113 AS-COLOCROSSING - HostPapa, US 749 3132 54647 2383 DNIC-AS-00749 - United States Department 7029 2802 2549 871 WINDSTREAM - Windstream Communications LL 31898 2729 1354 1151 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 6953 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4907 302 76 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4211 375 2560 M247 - M247 Europe SRL, RO 20940 3799 3388 103 AKAMAI-ASN1 - Akamai International B.V., 212238 3590 260 2714 CDNEXT - Datacamp Limited, GB 12389 3118 2329 865 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2527 371 598 TELLCOM-AS - Superonline Iletisim Hizmetl 29355 2523 154 27 KCELL-AS - Kcell JSC, KZ 44559 1905 119 931 ITHOSTLINE - IT HOSTLINE LTD, CY 8452 1661 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 13154 3305 611 AS8151 - UNINET, MX 10620 3411 443 1115 AS10620 - Telmex Colombia S.A., CO 13999 2247 522 331 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1878 369 65 AS11830 - Instituto Costarricense de Elec 11664 1505 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1375 2431 274 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1266 762 224 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1194 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1099 70 384 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 27715 1076 75 52 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 1979 509 28 Vodafone Data - Vodafone Data, EG 36992 1927 1543 328 ETISALAT MISR - ETISALAT MISR, EG 24863 1400 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 36903 1352 588 105 Office National des Postes et Telecommuni 36935 1286 523 49 Vodafone Data - Vodafone Data, EG 37069 1127 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 556 82 3 Kenya Education Network - Kenya Education 20011 545 159 178 Dimension Data - Dimension Data, ZA 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 16469 42644 5651 AMAZON-02 - Amazon.com, Inc., US 9808 14012 8735 127 CHINAMOBILE-CN - China Mobile Communicati 8151 13154 3305 611 AS8151 - UNINET, MX 12479 6953 1711 150 UNI2-AS - Orange Espagne SA, ES 9498 5104 561 345 BBIL-AP - BHARTI Airtel Ltd., IN 39891 4907 302 76 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4857 3121 417 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4655 347 24 FPT-VN - FPT Telecom Company, VN 7545 4633 825 315 TPG-INTERNET-AP - TPG Telecom Limited, AU 11492 4612 306 1128 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 14012 13885 CHINAMOBILE-CN - China Mobile Communications Gr 8151 13154 12543 AS8151 - UNINET, MX 12479 6953 6803 UNI2-AS - Orange Espagne SA, ES 39891 4907 4831 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5104 4759 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4655 4631 FPT-VN - FPT Telecom Company, VN 22773 4857 4440 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7545 4633 4318 TPG-INTERNET-AP - TPG Telecom Limited, AU 7552 4074 4050 VIETEL-AS-AP - Viettel Group, VN 7155 4054 3967 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 /13:590 /14:1191 /15:2127 /16:13718 /17:8221 /18:13232 /19:25452 /20:45584 /21:53526 /22:113425 /23:110669 /24:681478 /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 7321 13154 AS8151 - UNINET, MX 12479 5879 6953 UNI2-AS - Orange Espagne SA, ES 39891 3656 4907 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3528 3749 SHAW - Shaw Communications, CA 11492 3518 4612 CABLEONE - CABLE ONE, INC., US 16509 3202 16469 AMAZON-02 - Amazon.com, Inc., US 22773 3105 4857 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 3008 4054 VIASAT-SP-BACKBONE - ViaSat,Inc., US 10620 2246 3411 AS10620 - Telmex Colombia S.A., CO 30036 2192 2540 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 2:2886 3:1186 4:5 5:5408 6:215 7:6 8:1347 9:99 11:172 12:1096 13:942 14:2689 15:489 16:274 17:463 18:1085 20:602 21:4 22:188 23:8554 24:2787 25:2 27:2933 28:7 29:19 31:3921 32:35 34:94 35:292 36:4924 37:4460 38:10368 39:1415 40:452 41:4658 42:2249 43:3490 44:508 45:20003 46:5037 47:478 48:171 49:2435 50:2019 51:952 52:1386 54:331 55:1069 56:11 57:330 58:2488 59:1382 60:1197 61:3355 62:3188 63:1699 64:6661 65:2177 66:6284 67:3339 68:1309 69:4134 70:1085 71:606 72:3356 74:3140 75:1614 76:596 77:2941 78:2148 79:1880 80:2391 81:2304 82:4390 83:1499 84:2134 85:3919 86:1136 87:2951 88:1352 89:4873 90:770 91:8539 92:2764 93:3065 94:4618 95:4783 96:1455 97:305 98:944 99:1020 100:65 101:1612 102:4743 103:33145 104:5701 105:928 106:930 107:3004 108:1495 109:3978 110:2242 111:4218 112:3150 113:1954 114:2586 115:2316 116:2123 117:3885 118:2982 119:2135 120:2855 121:1831 122:3061 123:2217 124:1734 125:3012 126:156 128:1580 129:975 130:1748 131:2552 132:887 133:486 134:1794 135:677 136:1587 137:1405 138:3457 139:1814 140:1871 141:1840 142:2666 143:2275 144:1908 145:728 146:2213 147:2426 148:2906 149:3655 150:1475 151:3082 152:2662 153:2107 154:9410 155:2376 156:4262 157:2549 158:1651 159:2941 160:4090 161:2099 162:4232 163:2731 164:2447 165:2784 166:1252 167:2397 168:4254 169:959 170:5634 171:1130 172:4915 173:3470 174:893 175:1428 176:4050 177:5631 178:4669 179:2789 180:3493 181:4688 182:4089 183:2898 184:2064 185:22018 186:6602 187:5832 188:4783 189:4828 190:9992 191:1888 192:11819 193:9633 194:7985 195:5987 196:3412 197:3253 198:6185 199:6131 200:8305 201:6881 202:10686 203:10708 204:4724 205:3722 206:4407 207:3914 208:4310 209:5480 210:4742 211:2725 212:5344 213:4130 214:1029 215:50 216:7353 217:3809 218:1924 219:419 220:2243 221:1470 222:982 223:3623 End of report