IPv4 R&E Routing Table Report 23:00 GMT Sun 14 Jun, 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: 1052896 Prefixes after maximum aggregation (per Origin AS): 406147 Deaggregation factor: 2.59 Unique aggregates announced (without unneeded subnets): 522604 Number of IPv4 prefixes with a valid ROA: 702632 Number of IPv4 prefixes with an invalid ROA: 535 Number of IPv4 prefixes with no ROA: 349729 Total ASes present in the Internet Routing Table: 78572 Prefixes per ASN: 13.40 Origin-only ASes present in the Internet Routing Table: 67296 Origin ASes announcing only one prefix: 27472 Transit ASes present in the Internet Routing Table: 11276 Transit-only ASes present in the Internet Routing Table: 585 Paths with bogon ASNs present in the IPv4 Routing Table: 47 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: 1259 Number of instances of unregistered ASNs: 1289 Number of 32-bit ASNs allocated by the RIRs: 50132 Number of 32-bit ASNs visible in the Routing Table: 40829 Prefixes from 32-bit ASNs in the Routing Table: 233869 Number of bogon 32-bit ASNs visible in the Routing Table: 84 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 459 Number of addresses announced to Internet: 3119343872 Equivalent to 185 /8s, 237 /16s and 105 /24s Percentage of available address space announced: 84.3 Percentage of allocated address space announced: 84.3 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: 344068 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 288764 Total APNIC prefixes after maximum aggregation: 84562 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 274626 Unique aggregates announced from the APNIC address blocks: 109196 APNIC Region origin ASes present in the Internet Routing Table: 15195 APNIC Prefixes per ASN: 18.07 APNIC Region origin ASes announcing only one prefix: 4617 APNIC Region transit ASes present in the Internet Routing Table: 2065 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 43 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10802 Number of APNIC addresses announced to Internet: 747762944 Equivalent to 44 /8s, 145 /16s and 245 /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: 304198 Total ARIN prefixes after maximum aggregation: 137494 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 302951 Unique aggregates announced from the ARIN address blocks: 148616 ARIN Region origin ASes present in the Internet Routing Table: 19410 ARIN Prefixes per ASN: 15.61 ARIN Region origin ASes announcing only one prefix: 7110 ARIN Region transit ASes present in the Internet Routing Table: 1912 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: 5623 Number of ARIN addresses announced to Internet: 1347961600 Equivalent to 80 /8s, 88 /16s and 67 /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: 292021 Total RIPE prefixes after maximum aggregation: 145532 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 296306 Unique aggregates announced from the RIPE address blocks: 194474 RIPE Region origin ASes present in the Internet Routing Table: 29578 RIPE Prefixes per ASN: 10.02 RIPE Region origin ASes announcing only one prefix: 12262 RIPE Region transit ASes present in the Internet Routing Table: 4113 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: 13529 Number of RIPE addresses announced to Internet: 749314560 Equivalent to 44 /8s, 169 /16s and 162 /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: 128978 Total LACNIC prefixes after maximum aggregation: 30852 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 123519 Unique aggregates announced from the LACNIC address blocks: 50322 LACNIC Region origin ASes present in the Internet Routing Table: 11412 LACNIC Prefixes per ASN: 10.82 LACNIC Region origin ASes announcing only one prefix: 2748 LACNIC Region transit ASes present in the Internet Routing Table: 2603 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: 9475 Number of LACNIC addresses announced to Internet: 169775360 Equivalent to 10 /8s, 30 /16s and 145 /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: 37676 Total AfriNIC prefixes after maximum aggregation: 7020 AfriNIC Deaggregation factor: 5.37 Prefixes being announced from the AfriNIC address blocks: 55035 Unique aggregates announced from the AfriNIC address blocks: 19604 AfriNIC Region origin ASes present in the Internet Routing Table: 2035 AfriNIC Prefixes per ASN: 27.04 AfriNIC Region origin ASes announcing only one prefix: 735 AfriNIC Region transit ASes present in the Internet Routing Table: 385 Average AfriNIC Region AS path length visible: 5.2 Max AfriNIC Region AS path length visible: 70 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1400 Number of AfriNIC addresses announced to Internet: 104278528 Equivalent to 6 /8s, 55 /16s and 42 /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 13959 8737 119 CHINAMOBILE-CN - China Mobile Communicati 7545 5861 822 469 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 4953 551 327 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4596 347 25 FPT-VN - FPT Telecom Company, VN 7552 4066 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3728 1044 64 telkomnet-as-ap - PT Telekomunikasi Indon 56046 3556 887 177 CMNET-Jiangsu-AP - China Mobile communica 17561 3440 216 604 LCS-AS-AP - LARUS Limited, HK 45899 3382 1868 99 VNPT-AS-VN - VNPT Corp, VN 24560 2740 745 735 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 15278 41448 5602 AMAZON-02 - Amazon.com, Inc., US 22773 4774 3100 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4609 306 1092 CABLEONE - CABLE ONE, INC., US 7155 3868 286 88 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3727 1305 74 SHAW - Shaw Communications, CA 396982 3377 4868 519 GOOGLE-CLOUD-PLATFORM - Google LLC, US 749 3137 54728 2388 DNIC-AS-00749 - United States Department 36352 3085 233 1035 AS-COLOCROSSING - HostPapa, US 7029 2650 2554 889 WINDSTREAM - Windstream Communications LL 30036 2549 354 579 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 7120 1711 149 UNI2-AS - Orange Espagne SA, ES 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4093 371 2477 M247 - M247 Europe SRL, RO 20940 3780 3389 109 AKAMAI-ASN1 - Akamai International B.V., 212238 3240 232 2406 CDNEXT - Datacamp Limited, GB 12389 3145 2318 867 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2483 367 589 TELLCOM-AS - Superonline Iletisim Hizmetl 8452 1700 1852 14 TE-AS - IDDQD-AS, EG 203020 1654 253 828 HostRoyale - HostRoyale Technologies Pvt 13188 1607 100 27 TRIOLAN - CONTENT DELIVERY NETWORK LTD, U 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 12822 3265 628 AS8151 - UNINET, MX 10620 3432 450 1101 AS10620 - Telmex Colombia S.A., CO 13999 2345 500 347 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1928 369 65 AS11830 - Instituto Costarricense de Elec 11664 1489 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1370 2431 269 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1342 768 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1220 371 22 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1090 70 360 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1062 2392 100 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 2027 617 34 Vodafone Data - Vodafone Data, EG 36992 1861 1532 337 ETISALAT MISR - ETISALAT MISR, EG 36903 1351 587 105 Office National des Postes et Telecommuni 36935 1277 521 43 Vodafone Data - Vodafone Data, EG 24863 1275 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 37069 1116 1100 11 The Egyptian Company for Mobile Services 29571 1085 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 328608 602 56 179 Africa on Cloud - Africa on Cloud, ZA 15399 555 57 59 Wananchi Group (Kenya) Limited - Wananchi 36914 543 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 15278 41448 5602 AMAZON-02 - Amazon.com, Inc., US 9808 13959 8737 119 CHINAMOBILE-CN - China Mobile Communicati 8151 12822 3265 628 AS8151 - UNINET, MX 12479 7120 1711 149 UNI2-AS - Orange Espagne SA, ES 7545 5861 822 469 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9498 4953 551 327 BBIL-AP - BHARTI Airtel Ltd., IN 22773 4774 3100 364 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4609 306 1092 CABLEONE - CABLE ONE, INC., US 18403 4596 347 25 FPT-VN - FPT Telecom Company, VN 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 13959 13840 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12822 12194 AS8151 - UNINET, MX 12479 7120 6971 UNI2-AS - Orange Espagne SA, ES 7545 5861 5392 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 4953 4626 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4596 4571 FPT-VN - FPT Telecom Company, VN 22773 4774 4410 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4066 4042 VIETEL-AS-AP - Viettel Group, VN 7155 3868 3780 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 8.28.58.0/24 32787 PROLEXIC-TECHNOLOGIES-D 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 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 23.131.104.0/24 Origin: 400290 UNASSIGNED 23.131.104.0/24 Transit: 6939 HURRICANE - Hurricane Electric LLC, US 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 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 /14:1185 /15:2111 /16:13636 /17:8234 /18:13269 /19:25400 /20:45688 /21:52466 /22:113550 /23:108452 /24:667855 /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 7025 12822 AS8151 - UNINET, MX 12479 6051 7120 UNI2-AS - Orange Espagne SA, ES 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3509 3727 SHAW - Shaw Communications, CA 11492 3485 4609 CABLEONE - CABLE ONE, INC., US 22773 3053 4774 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2823 3868 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2775 15278 AMAZON-02 - Amazon.com, Inc., US 10620 2236 3432 AS10620 - Telmex Colombia S.A., CO 30036 2205 2549 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) ---------------------------------------------- 1:2538 2:2057 3:1020 4:5 5:5260 6:202 7:6 8:1428 9:69 11:172 12:1113 13:756 14:2719 15:473 16:281 17:447 18:935 20:597 21:4 22:188 23:8366 24:2774 25:2 27:2799 28:1 29:19 31:3793 32:36 34:91 35:287 36:4803 37:4432 38:9913 39:1311 40:440 41:4559 42:2154 43:3280 44:463 45:19825 46:4936 47:452 48:168 49:2434 50:2005 51:867 52:1359 54:304 55:1152 56:11 57:320 58:2766 59:1499 60:1174 61:3173 62:3148 63:1688 64:6465 65:2155 66:6038 67:3292 68:1247 69:4105 70:1059 71:607 72:3228 74:3079 75:1500 76:598 77:2922 78:2098 79:1799 80:2348 81:2296 82:4324 83:1473 84:2215 85:3852 86:1086 87:2730 88:1317 89:4757 90:794 91:8449 92:2788 93:3011 94:4634 95:4675 96:1450 97:309 98:940 99:866 100:69 101:1629 102:4718 103:32987 104:5535 105:855 106:900 107:2946 108:1301 109:3954 110:2289 111:4138 112:3098 113:1998 114:2511 115:2306 116:2096 117:3590 118:3045 119:2107 120:2790 121:1632 122:3006 123:2203 124:1983 125:3031 126:158 128:1578 129:961 130:1680 131:2453 132:895 133:488 134:1734 135:631 136:1487 137:1367 138:3404 139:1798 140:1856 141:1721 142:2555 143:2096 144:1784 145:658 146:2181 147:2270 148:2800 149:3298 150:1386 151:2963 152:2601 153:1715 154:9753 155:2345 156:4985 157:2512 158:1588 159:2865 160:3883 161:2029 162:4140 163:2615 164:2418 165:2780 166:1270 167:2358 168:4104 169:881 170:5623 171:1141 172:4903 173:3453 174:899 175:1364 176:3967 177:5096 178:4509 179:2436 180:3509 181:4621 182:4036 183:2864 184:2050 185:21815 186:6400 187:5382 188:4818 189:4593 190:9913 191:1729 192:11718 193:9622 194:7840 195:5828 196:3417 197:3237 198:6126 199:6169 200:8158 201:6531 202:10637 203:10664 204:4736 205:3725 206:4380 207:3863 208:4353 209:5437 210:4728 211:2691 212:5128 213:4082 214:1036 215:47 216:7278 217:3675 218:1764 219:411 220:2217 221:1353 222:947 223:3595 End of report