IPv4 R&E Routing Table Report 23:00 GMT Wed 16 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: 1072558 Prefixes after maximum aggregation (per Origin AS): 413172 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 533507 Number of IPv4 prefixes with a valid ROA: 749724 Number of IPv4 prefixes with an invalid ROA: 415 Number of IPv4 prefixes with no ROA: 322419 Total ASes present in the Internet Routing Table: 79228 Prefixes per ASN: 13.54 Origin-only ASes present in the Internet Routing Table: 67847 Origin ASes announcing only one prefix: 27747 Transit ASes present in the Internet Routing Table: 11381 Transit-only ASes present in the Internet Routing Table: 619 Paths with bogon ASNs present in the IPv4 Routing Table: 48 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: 1252 Number of instances of unregistered ASNs: 1263 Number of 32-bit ASNs allocated by the RIRs: 51235 Number of 32-bit ASNs visible in the Routing Table: 41628 Prefixes from 32-bit ASNs in the Routing Table: 241223 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: 509 Number of addresses announced to Internet: 3126384384 Equivalent to 186 /8s, 88 /16s and 215 /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: 353392 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 290870 Total APNIC prefixes after maximum aggregation: 85860 APNIC Deaggregation factor: 3.39 Prefixes being announced from the APNIC address blocks: 278538 Unique aggregates announced from the APNIC address blocks: 110741 APNIC Region origin ASes present in the Internet Routing Table: 15327 APNIC Prefixes per ASN: 18.17 APNIC Region origin ASes announcing only one prefix: 4695 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: 10956 Number of APNIC addresses announced to Internet: 748986880 Equivalent to 44 /8s, 164 /16s and 162 /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: 311614 Total ARIN prefixes after maximum aggregation: 139052 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 309897 Unique aggregates announced from the ARIN address blocks: 152801 ARIN Region origin ASes present in the Internet Routing Table: 19454 ARIN Prefixes per ASN: 15.93 ARIN Region origin ASes announcing only one prefix: 7155 ARIN Region transit ASes present in the Internet Routing Table: 1918 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: 5765 Number of ARIN addresses announced to Internet: 1355575296 Equivalent to 80 /8s, 204 /16s and 112 /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: 299176 Total RIPE prefixes after maximum aggregation: 148803 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 304727 Unique aggregates announced from the RIPE address blocks: 199329 RIPE Region origin ASes present in the Internet Routing Table: 29847 RIPE Prefixes per ASN: 10.21 RIPE Region origin ASes announcing only one prefix: 12345 RIPE Region transit ASes present in the Internet Routing Table: 4158 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: 13864 Number of RIPE addresses announced to Internet: 749800192 Equivalent to 44 /8s, 177 /16s and 11 /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: 131537 Total LACNIC prefixes after maximum aggregation: 31634 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 125489 Unique aggregates announced from the LACNIC address blocks: 51536 LACNIC Region origin ASes present in the Internet Routing Table: 11513 LACNIC Prefixes per ASN: 10.90 LACNIC Region origin ASes announcing only one prefix: 2784 LACNIC Region transit ASes present in the Internet Routing Table: 2639 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 35 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9589 Number of LACNIC addresses announced to Internet: 167567360 Equivalent to 9 /8s, 252 /16s and 224 /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: 38109 Total AfriNIC prefixes after maximum aggregation: 7097 AfriNIC Deaggregation factor: 5.37 Prefixes being announced from the AfriNIC address blocks: 53398 Unique aggregates announced from the AfriNIC address blocks: 18680 AfriNIC Region origin ASes present in the Internet Routing Table: 2092 AfriNIC Prefixes per ASN: 25.52 AfriNIC Region origin ASes announcing only one prefix: 768 AfriNIC Region transit ASes present in the Internet Routing Table: 373 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: 1454 Number of AfriNIC addresses announced to Internet: 104203776 Equivalent to 6 /8s, 54 /16s and 6 /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 14056 8737 135 CHINAMOBILE-CN - China Mobile Communicati 9498 5112 561 345 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4661 347 24 FPT-VN - FPT Telecom Company, VN 7545 4632 825 315 TPG-INTERNET-AP - TPG Telecom Limited, AU 7552 4078 1331 24 VIETEL-AS-AP - Viettel Group, VN 56046 3597 887 179 CMNET-Jiangsu-AP - China Mobile communica 7713 3540 1043 69 telkomnet-as-ap - PT Telekomunikasi Indon 45899 3401 1868 98 VNPT-AS-VN - VNPT Corp, VN 140292 3094 316 1808 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK - 24560 2503 609 710 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 18009 42654 5603 AMAZON-02 - Amazon.com, Inc., US 22773 4866 3184 424 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4612 306 1124 CABLEONE - CABLE ONE, INC., US 7155 4338 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3832 1305 74 SHAW - Shaw Communications, CA 396982 3522 5380 594 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3217 239 1144 AS-COLOCROSSING - HostPapa, US 749 3133 54663 2384 DNIC-AS-00749 - United States Department 7029 2813 2578 894 WINDSTREAM - Windstream Communications LL 31898 2750 1368 1142 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 7002 1709 149 UNI2-AS - Orange Espagne SA, ES 39891 4907 302 76 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4302 384 2620 M247 - M247 Europe SRL, RO 20940 3806 3388 104 AKAMAI-ASN1 - Akamai International B.V., 212238 3594 260 2718 CDNEXT - Datacamp Limited, GB 12389 3123 2330 866 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2527 371 600 TELLCOM-AS - Superonline Iletisim Hizmetl 29355 2524 155 28 KCELL-AS - Kcell JSC, KZ 44559 1717 107 958 ITHOSTLINE - IT HOSTLINE LTD, CY 8452 1672 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 13182 3305 611 AS8151 - UNINET, MX 10620 3406 443 1115 AS10620 - Telmex Colombia S.A., CO 13999 2236 495 327 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1871 369 65 AS11830 - Instituto Costarricense de Elec 11664 1512 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1377 2433 268 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1266 762 224 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1197 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1100 74 385 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 27715 1077 75 53 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 1976 497 26 Vodafone Data - Vodafone Data, EG 36992 1940 1543 328 ETISALAT MISR - ETISALAT MISR, EG 24863 1469 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 36903 1356 590 108 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 591 57 61 Wananchi Group (Kenya) Limited - Wananchi 20011 557 160 172 Dimension Data - Dimension Data, ZA 36914 553 82 3 Kenya Education Network - Kenya Education 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 18009 42654 5603 AMAZON-02 - Amazon.com, Inc., US 9808 14056 8737 135 CHINAMOBILE-CN - China Mobile Communicati 8151 13182 3305 611 AS8151 - UNINET, MX 12479 7002 1709 149 UNI2-AS - Orange Espagne SA, ES 9498 5112 561 345 BBIL-AP - BHARTI Airtel Ltd., IN 39891 4907 302 76 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4866 3184 424 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4661 347 24 FPT-VN - FPT Telecom Company, VN 7545 4632 825 315 TPG-INTERNET-AP - TPG Telecom Limited, AU 11492 4612 306 1124 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 14056 13921 CHINAMOBILE-CN - China Mobile Communications Gr 8151 13182 12571 AS8151 - UNINET, MX 12479 7002 6853 UNI2-AS - Orange Espagne SA, ES 39891 4907 4831 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5112 4767 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4661 4637 FPT-VN - FPT Telecom Company, VN 22773 4866 4442 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7545 4632 4317 TPG-INTERNET-AP - TPG Telecom Limited, AU 7155 4338 4251 VIASAT-SP-BACKBONE - ViaSat,Inc., US 7552 4078 4054 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 /15:2136 /16:13718 /17:8233 /18:13228 /19:25498 /20:45607 /21:53217 /22:113336 /23:110533 /24:684809 /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 7348 13182 AS8151 - UNINET, MX 12479 5915 7002 UNI2-AS - Orange Espagne SA, ES 39891 3656 4907 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3597 3832 SHAW - Shaw Communications, CA 11492 3520 4612 CABLEONE - CABLE ONE, INC., US 16509 3462 18009 AMAZON-02 - Amazon.com, Inc., US 7155 3269 4338 VIASAT-SP-BACKBONE - ViaSat,Inc., US 22773 3107 4866 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 10620 2241 3406 AS10620 - Telmex Colombia S.A., CO 30036 2194 2542 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) ---------------------------------------------- 1:2710 2:2901 3:1570 4:5 5:5617 6:214 7:6 8:1345 9:111 11:172 12:1095 13:1376 14:2700 15:490 16:280 17:462 18:1728 20:601 21:4 22:188 23:8573 24:2803 25:2 27:2932 28:7 29:19 31:3978 32:37 34:93 35:293 36:4917 37:4441 38:10355 39:1423 40:456 41:4633 42:2248 43:3491 44:515 45:19949 46:5049 47:475 48:171 49:2445 50:2018 51:950 52:1424 54:441 55:1162 56:11 57:331 58:2886 59:1503 60:1197 61:3351 62:3188 63:1701 64:6628 65:2238 66:6281 67:3332 68:1304 69:4128 70:1085 71:608 72:3339 74:3154 75:1735 76:602 77:2935 78:2145 79:1948 80:2374 81:2309 82:4469 83:1502 84:2179 85:3885 86:1140 87:3004 88:1354 89:4901 90:778 91:8519 92:2746 93:3074 94:4649 95:4756 96:1458 97:306 98:943 99:1110 100:65 101:1621 102:4740 103:33146 104:5718 105:933 106:931 107:2997 108:1689 109:3979 110:2243 111:4227 112:3198 113:1955 114:2608 115:2325 116:2123 117:3888 118:2987 119:2138 120:2861 121:1837 122:3061 123:2226 124:1986 125:3020 126:156 128:1588 129:975 130:1744 131:2562 132:891 133:484 134:1798 135:663 136:1597 137:1407 138:3440 139:1815 140:1875 141:1868 142:2704 143:2343 144:1914 145:718 146:2234 147:2431 148:2884 149:3743 150:1472 151:3097 152:2694 153:2089 154:8758 155:2398 156:3906 157:2556 158:1657 159:2962 160:4109 161:2107 162:4241 163:2753 164:2477 165:2771 166:1259 167:2414 168:4258 169:957 170:5622 171:1131 172:4944 173:3476 174:895 175:1423 176:4061 177:5635 178:4691 179:2776 180:3499 181:4695 182:4094 183:2902 184:2215 185:22079 186:6524 187:5843 188:4799 189:4839 190:9944 191:1948 192:11832 193:9615 194:7980 195:5978 196:3409 197:3257 198:6254 199:6139 200:8322 201:6908 202:10689 203:10701 204:4754 205:3717 206:4442 207:3898 208:4338 209:5478 210:4750 211:2730 212:5246 213:4134 214:1031 215:50 216:7363 217:3844 218:1926 219:413 220:2257 221:1471 222:986 223:3630 End of report