IPv4 R&E Routing Table Report 23:00 GMT Thu 02 Jul, 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: 1056066 Prefixes after maximum aggregation (per Origin AS): 407184 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 525263 Number of IPv4 prefixes with a valid ROA: 710606 Number of IPv4 prefixes with an invalid ROA: 714 Number of IPv4 prefixes with no ROA: 344746 Total ASes present in the Internet Routing Table: 78713 Prefixes per ASN: 13.42 Origin-only ASes present in the Internet Routing Table: 67426 Origin ASes announcing only one prefix: 27508 Transit ASes present in the Internet Routing Table: 11287 Transit-only ASes present in the Internet Routing Table: 599 Paths with bogon ASNs present in the IPv4 Routing Table: 63 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: 1356 Number of instances of unregistered ASNs: 1395 Number of 32-bit ASNs allocated by the RIRs: 50279 Number of 32-bit ASNs visible in the Routing Table: 41003 Prefixes from 32-bit ASNs in the Routing Table: 236015 Number of bogon 32-bit ASNs visible in the Routing Table: 116 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 494 Number of addresses announced to Internet: 3118797056 Equivalent to 185 /8s, 229 /16s and 17 /24s Percentage of available address space announced: 84.2 Percentage of allocated address space announced: 84.2 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: 345133 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 289545 Total APNIC prefixes after maximum aggregation: 84772 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 275505 Unique aggregates announced from the APNIC address blocks: 109564 APNIC Region origin ASes present in the Internet Routing Table: 15263 APNIC Prefixes per ASN: 18.05 APNIC Region origin ASes announcing only one prefix: 4669 APNIC Region transit ASes present in the Internet Routing Table: 2073 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 56 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10870 Number of APNIC addresses announced to Internet: 748836352 Equivalent to 44 /8s, 162 /16s and 86 /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: 304968 Total ARIN prefixes after maximum aggregation: 137609 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 303453 Unique aggregates announced from the ARIN address blocks: 149631 ARIN Region origin ASes present in the Internet Routing Table: 19428 ARIN Prefixes per ASN: 15.62 ARIN Region origin ASes announcing only one prefix: 7116 ARIN Region transit ASes present in the Internet Routing Table: 1907 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: 5645 Number of ARIN addresses announced to Internet: 1348215296 Equivalent to 80 /8s, 92 /16s and 34 /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: 293308 Total RIPE prefixes after maximum aggregation: 146008 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 297645 Unique aggregates announced from the RIPE address blocks: 195480 RIPE Region origin ASes present in the Internet Routing Table: 29582 RIPE Prefixes per ASN: 10.06 RIPE Region origin ASes announcing only one prefix: 12245 RIPE Region transit ASes present in the Internet Routing Table: 4108 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 106 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13578 Number of RIPE addresses announced to Internet: 749559808 Equivalent to 44 /8s, 173 /16s and 96 /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: 129086 Total LACNIC prefixes after maximum aggregation: 30909 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 123913 Unique aggregates announced from the LACNIC address blocks: 50443 LACNIC Region origin ASes present in the Internet Routing Table: 11428 LACNIC Prefixes per ASN: 10.84 LACNIC Region origin ASes announcing only one prefix: 2750 LACNIC Region transit ASes present in the Internet Routing Table: 2607 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 105 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9505 Number of LACNIC addresses announced to Internet: 167693056 Equivalent to 9 /8s, 254 /16s and 203 /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: 37803 Total AfriNIC prefixes after maximum aggregation: 7099 AfriNIC Deaggregation factor: 5.33 Prefixes being announced from the AfriNIC address blocks: 55056 Unique aggregates announced from the AfriNIC address blocks: 19722 AfriNIC Region origin ASes present in the Internet Routing Table: 2043 AfriNIC Prefixes per ASN: 26.95 AfriNIC Region origin ASes announcing only one prefix: 728 AfriNIC Region transit ASes present in the Internet Routing Table: 386 Average AfriNIC Region AS path length visible: 5.3 Max AfriNIC Region AS path length visible: 70 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1405 Number of AfriNIC addresses announced to Internet: 104215040 Equivalent to 6 /8s, 54 /16s and 50 /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 13994 8737 120 CHINAMOBILE-CN - China Mobile Communicati 7545 5852 818 468 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 4989 554 335 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4639 347 25 FPT-VN - FPT Telecom Company, VN 7552 4068 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3730 1044 64 telkomnet-as-ap - PT Telekomunikasi Indon 56046 3571 887 177 CMNET-Jiangsu-AP - China Mobile communica 17561 3391 213 592 LCS-AS-AP - LARUS Limited, HK 45899 3390 1868 99 VNPT-AS-VN - VNPT Corp, VN 24560 2731 731 729 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 15480 41507 5590 AMAZON-02 - Amazon.com, Inc., US 22773 4781 3100 360 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4554 303 1128 CABLEONE - CABLE ONE, INC., US 7155 3962 286 111 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3720 1305 74 SHAW - Shaw Communications, CA 396982 3415 4872 526 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3156 237 1085 AS-COLOCROSSING - HostPapa, US 749 3138 54728 2389 DNIC-AS-00749 - United States Department 7029 2666 2553 886 WINDSTREAM - Windstream Communications LL 30036 2551 354 563 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom C 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 7070 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4172 375 2544 M247 - M247 Europe SRL, RO 20940 3800 3389 109 AKAMAI-ASN1 - Akamai International B.V., 212238 3379 241 2532 CDNEXT - Datacamp Limited, GB 12389 3138 2321 870 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2493 367 585 TELLCOM-AS - Superonline Iletisim Hizmetl 44559 1714 107 826 ITHOSTLINE - IT HOSTLINE LTD, CY 8452 1708 1852 14 TE-AS - IDDQD-AS, EG 203020 1657 253 829 HostRoyale - HostRoyale Technologies Pvt 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 12843 3265 625 AS8151 - UNINET, MX 10620 3440 450 1104 AS10620 - Telmex Colombia S.A., CO 13999 2299 502 335 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1910 369 65 AS11830 - Instituto Costarricense de Elec 11664 1499 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1373 2431 269 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1342 768 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1207 371 22 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1096 70 384 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1063 2385 96 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 1991 617 34 Vodafone Data - Vodafone Data, EG 36992 1926 1543 334 ETISALAT MISR - ETISALAT MISR, EG 36903 1351 587 105 Office National des Postes et Telecommuni 36935 1306 521 46 Vodafone Data - Vodafone Data, EG 24863 1298 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 37069 1116 1100 11 The Egyptian Company for Mobile Services 29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 328608 617 56 209 Africa on Cloud - Africa on Cloud, ZA 15399 560 57 61 Wananchi Group (Kenya) Limited - Wananchi 36914 551 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 15480 41507 5590 AMAZON-02 - Amazon.com, Inc., US 9808 13994 8737 120 CHINAMOBILE-CN - China Mobile Communicati 8151 12843 3265 625 AS8151 - UNINET, MX 12479 7070 1711 150 UNI2-AS - Orange Espagne SA, ES 7545 5852 818 468 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 4989 554 335 BBIL-AP - BHARTI Airtel Ltd., IN 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4781 3100 360 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4639 347 25 FPT-VN - FPT Telecom Company, VN 11492 4554 303 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 13994 13874 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12843 12218 AS8151 - UNINET, MX 12479 7070 6920 UNI2-AS - Orange Espagne SA, ES 7545 5852 5384 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 4989 4654 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4639 4614 FPT-VN - FPT Telecom Company, VN 22773 4781 4421 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4068 4044 VIETEL-AS-AP - Viettel Group, VN 7155 3962 3851 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 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 22442 HOU-PHONOSCOPE - Phonos 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 400273 UNALLOCATED 8.41.137.0/24 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 23.131.100.0/24 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 23.132.252.0/24 Origin: 401541 UNASSIGNED 23.132.252.0/24 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 /13:585 /14:1183 /15:2116 /16:13660 /17:8246 /18:13283 /19:25422 /20:45752 /21:52614 /22:113425 /23:108673 /24:670642 /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 7046 12843 AS8151 - UNINET, MX 12479 5997 7070 UNI2-AS - Orange Espagne SA, ES 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3501 3720 SHAW - Shaw Communications, CA 11492 3444 4554 CABLEONE - CABLE ONE, INC., US 22773 3052 4781 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2916 3962 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2873 15480 AMAZON-02 - Amazon.com, Inc., US 10620 2244 3440 AS10620 - Telmex Colombia S.A., CO 30036 2205 2551 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) ---------------------------------------------- 1:2568 2:2045 3:1023 4:5 5:5306 6:207 7:6 8:1408 9:76 11:172 12:1109 13:763 14:2726 15:474 16:436 17:448 18:945 20:599 21:4 22:188 23:8448 24:2779 25:2 27:2811 28:1 29:19 31:3825 32:36 34:91 35:287 36:4835 37:4416 38:10125 39:1340 40:437 41:4559 42:2188 43:3340 44:465 45:19922 46:4959 47:476 48:168 49:2397 50:2004 51:911 52:1361 54:303 55:1172 56:11 57:323 58:2770 59:1494 60:1207 61:3160 62:3167 63:1689 64:6458 65:2143 66:6053 67:3310 68:1276 69:4088 70:1052 71:608 72:3233 74:3049 75:1505 76:597 77:2913 78:2128 79:1794 80:2374 81:2294 82:4319 83:1478 84:2193 85:3884 86:1093 87:2769 88:1309 89:4823 90:776 91:8487 92:2757 93:3028 94:4681 95:4700 96:1447 97:310 98:931 99:969 100:72 101:1613 102:4741 103:33085 104:5607 105:836 106:905 107:2948 108:1321 109:3891 110:2294 111:4138 112:3110 113:1985 114:2510 115:2303 116:2100 117:3627 118:3062 119:2081 120:2763 121:1637 122:3006 123:2212 124:2039 125:3021 126:158 128:1570 129:967 130:1695 131:2521 132:898 133:488 134:1748 135:639 136:1525 137:1367 138:3420 139:1805 140:1853 141:1739 142:2613 143:2097 144:1841 145:672 146:2183 147:2264 148:2805 149:3331 150:1333 151:2948 152:2613 153:1872 154:9998 155:2357 156:4590 157:2511 158:1598 159:2878 160:3894 161:2038 162:4116 163:2628 164:2463 165:2781 166:1305 167:2356 168:4116 169:872 170:5606 171:1141 172:4886 173:3462 174:898 175:1364 176:4025 177:5137 178:4506 179:2463 180:3529 181:4622 182:4042 183:2887 184:2041 185:21886 186:6449 187:5488 188:4826 189:4641 190:9931 191:1797 192:11778 193:9631 194:7918 195:5901 196:3429 197:3257 198:6128 199:6067 200:8202 201:6602 202:10656 203:10667 204:4705 205:3739 206:4399 207:3887 208:4335 209:5408 210:4736 211:2691 212:5191 213:4103 214:1037 215:47 216:7267 217:3732 218:1774 219:415 220:2216 221:1357 222:941 223:3591 End of report