IPv4 R&E Routing Table Report 23:00 GMT Sun 04 Oct, 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: 1077448 Prefixes after maximum aggregation (per Origin AS): 414347 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 535731 Number of IPv4 prefixes with a valid ROA: 756704 Number of IPv4 prefixes with an invalid ROA: 515 Number of IPv4 prefixes with no ROA: 320229 Total ASes present in the Internet Routing Table: 79370 Prefixes per ASN: 13.58 Origin-only ASes present in the Internet Routing Table: 67859 Origin ASes announcing only one prefix: 27861 Transit ASes present in the Internet Routing Table: 11511 Transit-only ASes present in the Internet Routing Table: 642 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: 1115 Number of instances of unregistered ASNs: 1137 Number of 32-bit ASNs allocated by the RIRs: 51521 Number of 32-bit ASNs visible in the Routing Table: 41811 Prefixes from 32-bit ASNs in the Routing Table: 243064 Number of bogon 32-bit ASNs visible in the Routing Table: 52 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 511 Number of addresses announced to Internet: 3126175488 Equivalent to 186 /8s, 85 /16s and 167 /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: 354917 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 291040 Total APNIC prefixes after maximum aggregation: 85707 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 278757 Unique aggregates announced from the APNIC address blocks: 110885 APNIC Region origin ASes present in the Internet Routing Table: 15391 APNIC Prefixes per ASN: 18.11 APNIC Region origin ASes announcing only one prefix: 4733 APNIC Region transit ASes present in the Internet Routing Table: 2085 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 39 Number of APNIC region 32-bit ASNs visible in the Routing Table: 11019 Number of APNIC addresses announced to Internet: 748867328 Equivalent to 44 /8s, 162 /16s and 207 /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: 314883 Total ARIN prefixes after maximum aggregation: 139907 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 312180 Unique aggregates announced from the ARIN address blocks: 153504 ARIN Region origin ASes present in the Internet Routing Table: 19501 ARIN Prefixes per ASN: 16.01 ARIN Region origin ASes announcing only one prefix: 7215 ARIN Region transit ASes present in the Internet Routing Table: 1982 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: 5803 Number of ARIN addresses announced to Internet: 1355782400 Equivalent to 80 /8s, 207 /16s and 153 /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: 299948 Total RIPE prefixes after maximum aggregation: 149256 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 306156 Unique aggregates announced from the RIPE address blocks: 200594 RIPE Region origin ASes present in the Internet Routing Table: 29869 RIPE Prefixes per ASN: 10.25 RIPE Region origin ASes announcing only one prefix: 12353 RIPE Region transit ASes present in the Internet Routing Table: 4195 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 44 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13930 Number of RIPE addresses announced to Internet: 750125824 Equivalent to 44 /8s, 182 /16s and 3 /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: 132002 Total LACNIC prefixes after maximum aggregation: 31711 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 125707 Unique aggregates announced from the LACNIC address blocks: 51556 LACNIC Region origin ASes present in the Internet Routing Table: 11520 LACNIC Prefixes per ASN: 10.91 LACNIC Region origin ASes announcing only one prefix: 2788 LACNIC Region transit ASes present in the Internet Routing Table: 2652 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 36 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9602 Number of LACNIC addresses announced to Internet: 167416320 Equivalent to 9 /8s, 250 /16s and 146 /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: 38460 Total AfriNIC prefixes after maximum aggregation: 7099 AfriNIC Deaggregation factor: 5.42 Prefixes being announced from the AfriNIC address blocks: 54137 Unique aggregates announced from the AfriNIC address blocks: 18768 AfriNIC Region origin ASes present in the Internet Routing Table: 2093 AfriNIC Prefixes per ASN: 25.87 AfriNIC Region origin ASes announcing only one prefix: 772 AfriNIC Region transit ASes present in the Internet Routing Table: 385 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 69 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1457 Number of AfriNIC addresses announced to Internet: 103710720 Equivalent to 6 /8s, 46 /16s and 128 /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 14068 8737 135 CHINAMOBILE-CN - China Mobile Communicati 9498 5117 561 338 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4675 347 24 FPT-VN - FPT Telecom Company, VN 7545 4640 833 276 TPG-INTERNET-AP - TPG Telecom Limited, AU 7552 4083 1331 24 VIETEL-AS-AP - Viettel Group, VN 56046 3616 887 179 CMNET-Jiangsu-AP - China Mobile communica 7713 3467 1044 70 telkomnet-as-ap - PT Telekomunikasi Indon 45899 3403 1868 98 VNPT-AS-VN - VNPT Corp, VN 140292 3090 316 1814 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK - 24560 2376 537 661 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 19357 42653 5615 AMAZON-02 - Amazon.com, Inc., US 22773 4910 3307 451 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4627 307 1096 CABLEONE - CABLE ONE, INC., US 7155 4338 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3835 1305 73 SHAW - Shaw Communications, CA 396982 3539 5380 595 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3250 241 1155 AS-COLOCROSSING - HostPapa, US 749 3134 54663 2385 DNIC-AS-00749 - United States Department 7029 2867 2586 911 WINDSTREAM - Windstream Communications LL 31898 2775 1376 1158 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 6975 1709 149 UNI2-AS - Orange Espagne SA, ES 39891 4908 303 73 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4365 389 2666 M247 - M247 Europe SRL, RO 20940 3810 3388 106 AKAMAI-ASN1 - Akamai International B.V., 212238 3594 259 2719 CDNEXT - Datacamp Limited, GB 12389 3120 2329 865 ROSTELECOM-AS - PJSC Rostelecom, RU 29355 2524 155 28 KCELL-AS - Kcell JSC, KZ 34984 2524 371 600 TELLCOM-AS - Superonline Iletisim Hizmetl 8452 1703 1852 14 TE-AS - IDDQD-AS, EG 44559 1670 104 941 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 13252 3296 616 AS8151 - UNINET, MX 10620 3400 442 1118 AS10620 - Telmex Colombia S.A., CO 13999 2227 493 324 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1861 369 65 AS11830 - Instituto Costarricense de Elec 11664 1497 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1383 2433 268 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1267 762 225 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1192 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1100 73 381 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 27715 1078 75 54 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 1972 481 26 Vodafone Data - Vodafone Data, EG 36992 1943 1543 326 ETISALAT MISR - ETISALAT MISR, EG 24863 1457 389 20 Link Egypt (Link.NET) - Link Egypt (Link. 36903 1352 588 110 Office National des Postes et Telecommuni 36935 1294 524 47 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 806 57 60 Wananchi Group (Kenya) Limited - Wananchi 20011 561 161 173 Dimension Data - Dimension Data, ZA 36873 543 141 38 Airtel Networks Limited - Airtel Networks 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 19357 42653 5615 AMAZON-02 - Amazon.com, Inc., US 9808 14068 8737 135 CHINAMOBILE-CN - China Mobile Communicati 8151 13252 3296 616 AS8151 - UNINET, MX 12479 6975 1709 149 UNI2-AS - Orange Espagne SA, ES 9498 5117 561 338 BBIL-AP - BHARTI Airtel Ltd., IN 22773 4910 3307 451 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 39891 4908 303 73 ALJAWWALSTC-AS - Saudi Telecom Company JS 18403 4675 347 24 FPT-VN - FPT Telecom Company, VN 7545 4640 833 276 TPG-INTERNET-AP - TPG Telecom Limited, AU 11492 4627 307 1096 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 14068 13933 CHINAMOBILE-CN - China Mobile Communications Gr 8151 13252 12636 AS8151 - UNINET, MX 12479 6975 6826 UNI2-AS - Orange Espagne SA, ES 39891 4908 4835 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5117 4779 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4675 4651 FPT-VN - FPT Telecom Company, VN 22773 4910 4459 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7545 4640 4364 TPG-INTERNET-AP - TPG Telecom Limited, AU 7155 4338 4251 VIASAT-SP-BACKBONE - ViaSat,Inc., US 7552 4083 4059 VIETEL-AS-AP - Viettel Group, VN 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 23338 UNALLOCATED 8.14.84.0/22 400043 IBRIDGE-01 - IBRIDGE CL 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 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 /14:1190 /15:2134 /16:13716 /17:8250 /18:13249 /19:25498 /20:45563 /21:53240 /22:113535 /23:110789 /24:689231 /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 7409 13252 AS8151 - UNINET, MX 12479 5888 6975 UNI2-AS - Orange Espagne SA, ES 16509 3744 19357 AMAZON-02 - Amazon.com, Inc., US 6327 3601 3835 SHAW - Shaw Communications, CA 39891 3593 4908 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 11492 3511 4627 CABLEONE - CABLE ONE, INC., US 7155 3269 4338 VIASAT-SP-BACKBONE - ViaSat,Inc., US 22773 3129 4910 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 10620 2235 3400 AS10620 - Telmex Colombia S.A., CO 30036 2194 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) ---------------------------------------------- 1:2748 2:2838 3:2089 4:6 5:5568 6:211 7:6 8:1499 9:273 11:172 12:1087 13:1563 14:2721 15:488 16:294 17:468 18:2190 20:599 21:4 22:188 23:8598 24:2808 25:2 27:2931 28:8 29:19 31:3990 32:34 34:93 35:293 36:4923 37:4431 38:10513 39:1445 40:451 41:4606 42:2249 43:3506 44:525 45:19940 46:4983 47:476 48:171 49:2464 50:2037 51:1039 52:1547 54:481 55:1161 56:11 57:332 58:2888 59:1499 60:1196 61:3261 62:3192 63:1675 64:6628 65:2282 66:6287 67:3338 68:1332 69:4144 70:1086 71:604 72:3371 74:3158 75:1754 76:601 77:2913 78:2150 79:1947 80:2386 81:2304 82:4470 83:1512 84:2175 85:3919 86:1149 87:2948 88:1377 89:4951 90:762 91:8536 92:2781 93:3062 94:4656 95:4743 96:1464 97:304 98:961 99:1182 100:65 101:1613 102:4765 103:33099 104:5764 105:964 106:964 107:3007 108:1895 109:3989 110:2245 111:4237 112:3249 113:1972 114:2618 115:2323 116:2121 117:3882 118:2985 119:2138 120:2855 121:1832 122:3067 123:2218 124:1985 125:3024 126:175 128:1593 129:993 130:1765 131:2603 132:957 133:483 134:1825 135:673 136:1581 137:1398 138:3428 139:1828 140:1868 141:1893 142:2726 143:2372 144:1932 145:707 146:2246 147:2417 148:2890 149:3743 150:1515 151:3197 152:2702 153:2196 154:8817 155:2371 156:4060 157:2587 158:1655 159:2987 160:4181 161:2141 162:4247 163:2792 164:2483 165:2799 166:1260 167:2418 168:4501 169:986 170:5597 171:1136 172:4959 173:3491 174:894 175:1430 176:4060 177:5620 178:4660 179:2851 180:3494 181:4715 182:4096 183:2904 184:2207 185:22065 186:6606 187:6013 188:4857 189:4923 190:10007 191:1982 192:11926 193:9624 194:7981 195:5989 196:3473 197:3283 198:6297 199:6150 200:8324 201:6955 202:10643 203:10701 204:4722 205:3716 206:4443 207:3866 208:4342 209:5457 210:4747 211:2728 212:5264 213:4137 214:1037 215:50 216:7343 217:3884 218:1928 219:414 220:2245 221:1470 222:981 223:3650 End of report