IPv4 R&E Routing Table Report 23:00 GMT Sat 05 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: 1069378 Prefixes after maximum aggregation (per Origin AS): 411564 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 530794 Number of IPv4 prefixes with a valid ROA: 743781 Number of IPv4 prefixes with an invalid ROA: 383 Number of IPv4 prefixes with no ROA: 325214 Total ASes present in the Internet Routing Table: 79171 Prefixes per ASN: 13.51 Origin-only ASes present in the Internet Routing Table: 67813 Origin ASes announcing only one prefix: 27733 Transit ASes present in the Internet Routing Table: 11358 Transit-only ASes present in the Internet Routing Table: 623 Paths with bogon ASNs present in the IPv4 Routing Table: 63 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: 1214 Number of instances of unregistered ASNs: 1225 Number of 32-bit ASNs allocated by the RIRs: 51138 Number of 32-bit ASNs visible in the Routing Table: 41541 Prefixes from 32-bit ASNs in the Routing Table: 240587 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: 521 Number of addresses announced to Internet: 3123748352 Equivalent to 186 /8s, 48 /16s and 158 /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: 352174 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 290776 Total APNIC prefixes after maximum aggregation: 85234 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 277676 Unique aggregates announced from the APNIC address blocks: 110084 APNIC Region origin ASes present in the Internet Routing Table: 15329 APNIC Prefixes per ASN: 18.11 APNIC Region origin ASes announcing only one prefix: 4706 APNIC Region transit ASes present in the Internet Routing Table: 2082 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: 10945 Number of APNIC addresses announced to Internet: 748605696 Equivalent to 44 /8s, 158 /16s and 209 /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: 309184 Total ARIN prefixes after maximum aggregation: 138959 ARIN Deaggregation factor: 2.23 Prefixes being announced from the ARIN address blocks: 307350 Unique aggregates announced from the ARIN address blocks: 151515 ARIN Region origin ASes present in the Internet Routing Table: 19489 ARIN Prefixes per ASN: 15.77 ARIN Region origin ASes announcing only one prefix: 7175 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: 5761 Number of ARIN addresses announced to Internet: 1353530368 Equivalent to 80 /8s, 173 /16s and 60 /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: 298471 Total RIPE prefixes after maximum aggregation: 148103 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 303776 Unique aggregates announced from the RIPE address blocks: 198485 RIPE Region origin ASes present in the Internet Routing Table: 29803 RIPE Prefixes per ASN: 10.19 RIPE Region origin ASes announcing only one prefix: 12325 RIPE Region transit ASes present in the Internet Routing Table: 4141 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: 749629184 Equivalent to 44 /8s, 174 /16s and 111 /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: 131801 Total LACNIC prefixes after maximum aggregation: 31523 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 125886 Unique aggregates announced from the LACNIC address blocks: 51398 LACNIC Region origin ASes present in the Internet Routing Table: 11490 LACNIC Prefixes per ASN: 10.96 LACNIC Region origin ASes announcing only one prefix: 2763 LACNIC Region transit ASes present in the Internet Routing Table: 2626 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: 9571 Number of LACNIC addresses announced to Internet: 167912192 Equivalent to 10 /8s, 2 /16s and 35 /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: 37932 Total AfriNIC prefixes after maximum aggregation: 7032 AfriNIC Deaggregation factor: 5.39 Prefixes being announced from the AfriNIC address blocks: 54169 Unique aggregates announced from the AfriNIC address blocks: 18885 AfriNIC Region origin ASes present in the Internet Routing Table: 2076 AfriNIC Prefixes per ASN: 26.09 AfriNIC Region origin ASes announcing only one prefix: 764 AfriNIC Region transit ASes present in the Internet Routing Table: 379 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 85 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1441 Number of AfriNIC addresses announced to Internet: 103789568 Equivalent to 6 /8s, 47 /16s and 180 /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 14022 8735 127 CHINAMOBILE-CN - China Mobile Communicati 9498 5098 561 347 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4662 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 3571 1043 69 telkomnet-as-ap - PT Telekomunikasi Indon 45899 3399 1868 98 VNPT-AS-VN - VNPT Corp, VN 140292 3108 316 1811 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK - 24560 2481 589 702 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 16456 42641 5664 AMAZON-02 - Amazon.com, Inc., US 22773 4857 3121 417 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4602 306 1137 CABLEONE - CABLE ONE, INC., US 7155 3976 286 93 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 2801 2549 870 WINDSTREAM - Windstream Communications LL 31898 2728 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 6954 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4907 302 76 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4208 375 2559 M247 - M247 Europe SRL, RO 20940 3799 3388 103 AKAMAI-ASN1 - Akamai International B.V., 212238 3589 260 2713 CDNEXT - Datacamp Limited, GB 12389 3117 2329 865 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2529 371 594 TELLCOM-AS - Superonline Iletisim Hizmetl 29355 2523 154 27 KCELL-AS - Kcell JSC, KZ 44559 1905 119 931 ITHOSTLINE - IT HOSTLINE LTD, CY 8452 1719 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 13135 3281 613 AS8151 - UNINET, MX 10620 3411 443 1115 AS10620 - Telmex Colombia S.A., CO 13999 2245 495 327 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 1361 2431 274 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1266 762 224 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1191 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1097 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 1929 1543 328 ETISALAT MISR - ETISALAT MISR, EG 24863 1398 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 1128 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 550 82 3 Kenya Education Network - Kenya Education 20011 543 159 176 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 16456 42641 5664 AMAZON-02 - Amazon.com, Inc., US 9808 14022 8735 127 CHINAMOBILE-CN - China Mobile Communicati 8151 13135 3281 613 AS8151 - UNINET, MX 12479 6954 1711 150 UNI2-AS - Orange Espagne SA, ES 9498 5098 561 347 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 4662 347 24 FPT-VN - FPT Telecom Company, VN 7545 4633 825 315 TPG-INTERNET-AP - TPG Telecom Limited, AU 11492 4602 306 1137 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 14022 13895 CHINAMOBILE-CN - China Mobile Communications Gr 8151 13135 12522 AS8151 - UNINET, MX 12479 6954 6804 UNI2-AS - Orange Espagne SA, ES 39891 4907 4831 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5098 4751 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4662 4638 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 3976 3883 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 /15:2128 /16:13717 /17:8222 /18:13231 /19:25432 /20:45592 /21:53513 /22:113573 /23:110714 /24:681010 /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 7312 13135 AS8151 - UNINET, MX 12479 5880 6954 UNI2-AS - Orange Espagne SA, ES 39891 3656 4907 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3528 3749 SHAW - Shaw Communications, CA 11492 3514 4602 CABLEONE - CABLE ONE, INC., US 16509 3202 16456 AMAZON-02 - Amazon.com, Inc., US 22773 3105 4857 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2930 3976 VIASAT-SP-BACKBONE - ViaSat,Inc., US 10620 2246 3411 AS10620 - Telmex Colombia S.A., CO 30036 2174 2521 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) ---------------------------------------------- 1:2702 2:2885 3:1189 4:5 5:5394 6:215 7:6 8:1350 9:99 11:172 12:1097 13:927 14:2687 15:487 16:274 17:463 18:1081 20:602 21:4 22:188 23:8543 24:2784 25:2 27:2934 28:7 29:19 31:3919 32:35 34:94 35:292 36:4922 37:4467 38:10383 39:1415 40:450 41:4656 42:2250 43:3479 44:507 45:20002 46:5022 47:478 48:171 49:2444 50:2017 51:946 52:1385 54:331 55:1083 56:11 57:330 58:2489 59:1382 60:1197 61:3355 62:3186 63:1698 64:6654 65:2178 66:6288 67:3337 68:1309 69:4142 70:1049 71:605 72:3350 74:3137 75:1614 76:596 77:2956 78:2146 79:1878 80:2393 81:2293 82:4407 83:1497 84:2133 85:3927 86:1139 87:2949 88:1351 89:4876 90:769 91:8528 92:2767 93:3061 94:4617 95:4785 96:1455 97:305 98:945 99:983 100:65 101:1611 102:4741 103:33152 104:5694 105:928 106:929 107:3000 108:1496 109:3962 110:2239 111:4230 112:3148 113:1955 114:2585 115:2314 116:2120 117:3883 118:2978 119:2133 120:2855 121:1834 122:3061 123:2218 124:1736 125:3014 126:156 128:1583 129:973 130:1740 131:2544 132:885 133:486 134:1789 135:677 136:1589 137:1406 138:3450 139:1811 140:1874 141:1844 142:2667 143:2274 144:1908 145:726 146:2214 147:2419 148:2905 149:3642 150:1476 151:3059 152:2662 153:2103 154:9285 155:2372 156:4173 157:2542 158:1652 159:2940 160:4093 161:2098 162:4230 163:2727 164:2445 165:2786 166:1248 167:2385 168:4251 169:956 170:5628 171:1130 172:4916 173:3457 174:893 175:1432 176:4047 177:5635 178:4655 179:2789 180:3499 181:4683 182:4086 183:2900 184:2065 185:22007 186:6604 187:5862 188:4782 189:4838 190:10018 191:1887 192:11819 193:9639 194:7980 195:5987 196:3411 197:3245 198:6184 199:6136 200:8317 201:6881 202:10686 203:10709 204:4718 205:3729 206:4404 207:3911 208:4311 209:5481 210:4739 211:2725 212:5317 213:4128 214:1029 215:50 216:7346 217:3800 218:1924 219:419 220:2242 221:1470 222:979 223:3624 End of report