IPv4 R&E Routing Table Report 23:00 GMT Mon 13 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: 1055990 Prefixes after maximum aggregation (per Origin AS): 406527 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 524627 Number of IPv4 prefixes with a valid ROA: 713405 Number of IPv4 prefixes with an invalid ROA: 513 Number of IPv4 prefixes with no ROA: 342072 Total ASes present in the Internet Routing Table: 78779 Prefixes per ASN: 13.40 Origin-only ASes present in the Internet Routing Table: 67468 Origin ASes announcing only one prefix: 27538 Transit ASes present in the Internet Routing Table: 11311 Transit-only ASes present in the Internet Routing Table: 603 Paths with bogon ASNs present in the IPv4 Routing Table: 72 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: 1265 Number of instances of unregistered ASNs: 1305 Number of 32-bit ASNs allocated by the RIRs: 50402 Number of 32-bit ASNs visible in the Routing Table: 41079 Prefixes from 32-bit ASNs in the Routing Table: 235864 Number of bogon 32-bit ASNs visible in the Routing Table: 130 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 471 Number of addresses announced to Internet: 3118794240 Equivalent to 185 /8s, 229 /16s and 6 /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: 345323 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 288974 Total APNIC prefixes after maximum aggregation: 84086 APNIC Deaggregation factor: 3.44 Prefixes being announced from the APNIC address blocks: 274821 Unique aggregates announced from the APNIC address blocks: 109107 APNIC Region origin ASes present in the Internet Routing Table: 15273 APNIC Prefixes per ASN: 17.99 APNIC Region origin ASes announcing only one prefix: 4682 APNIC Region transit ASes present in the Internet Routing Table: 2077 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10882 Number of APNIC addresses announced to Internet: 748812800 Equivalent to 44 /8s, 161 /16s and 250 /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: 305512 Total ARIN prefixes after maximum aggregation: 137829 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 304014 Unique aggregates announced from the ARIN address blocks: 149640 ARIN Region origin ASes present in the Internet Routing Table: 19457 ARIN Prefixes per ASN: 15.62 ARIN Region origin ASes announcing only one prefix: 7137 ARIN Region transit ASes present in the Internet Routing Table: 1909 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: 5674 Number of ARIN addresses announced to Internet: 1348211712 Equivalent to 80 /8s, 92 /16s and 20 /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: 293135 Total RIPE prefixes after maximum aggregation: 145828 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 297501 Unique aggregates announced from the RIPE address blocks: 195240 RIPE Region origin ASes present in the Internet Routing Table: 29581 RIPE Prefixes per ASN: 10.06 RIPE Region origin ASes announcing only one prefix: 12219 RIPE Region transit ASes present in the Internet Routing Table: 4112 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 106 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13589 Number of RIPE addresses announced to Internet: 749363968 Equivalent to 44 /8s, 170 /16s and 99 /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: 129264 Total LACNIC prefixes after maximum aggregation: 30954 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 123961 Unique aggregates announced from the LACNIC address blocks: 50513 LACNIC Region origin ASes present in the Internet Routing Table: 11454 LACNIC Prefixes per ASN: 10.82 LACNIC Region origin ASes announcing only one prefix: 2771 LACNIC Region transit ASes present in the Internet Routing Table: 2620 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: 9525 Number of LACNIC addresses announced to Internet: 167971072 Equivalent to 10 /8s, 3 /16s and 9 /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: 37840 Total AfriNIC prefixes after maximum aggregation: 7124 AfriNIC Deaggregation factor: 5.31 Prefixes being announced from the AfriNIC address blocks: 55222 Unique aggregates announced from the AfriNIC address blocks: 19730 AfriNIC Region origin ASes present in the Internet Routing Table: 2047 AfriNIC Prefixes per ASN: 26.98 AfriNIC Region origin ASes announcing only one prefix: 729 AfriNIC Region transit ASes present in the Internet Routing Table: 379 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: 1409 Number of AfriNIC addresses announced to Internet: 104166656 Equivalent to 6 /8s, 53 /16s and 117 /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 14006 8737 120 CHINAMOBILE-CN - China Mobile Communicati 7545 5853 820 460 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 5016 555 334 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4621 347 25 FPT-VN - FPT Telecom Company, VN 7552 4072 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3758 1044 64 telkomnet-as-ap - PT Telekomunikasi Indon 17561 3739 235 603 LCS-AS-AP - LARUS Limited, HK 56046 3578 888 178 CMNET-Jiangsu-AP - China Mobile communica 45899 3394 1868 99 VNPT-AS-VN - VNPT Corp, VN 24560 2734 731 730 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 15461 41509 5632 AMAZON-02 - Amazon.com, Inc., US 22773 4783 3116 362 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4525 301 1154 CABLEONE - CABLE ONE, INC., US 7155 3962 286 111 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3725 1305 74 SHAW - Shaw Communications, CA 396982 3422 4872 531 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3165 238 1094 AS-COLOCROSSING - HostPapa, US 749 3138 54728 2389 DNIC-AS-00749 - United States Department 7029 2680 2558 883 WINDSTREAM - Windstream Communications LL 30036 2558 354 551 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 7081 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4167 375 2551 M247 - M247 Europe SRL, RO 20940 3805 3389 110 AKAMAI-ASN1 - Akamai International B.V., 212238 3438 245 2585 CDNEXT - Datacamp Limited, GB 12389 3121 2325 871 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2493 367 587 TELLCOM-AS - Superonline Iletisim Hizmetl 8452 1712 1852 14 TE-AS - IDDQD-AS, EG 203020 1642 250 826 HostRoyale - HostRoyale Technologies Pvt 44559 1636 102 762 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 12765 3255 626 AS8151 - UNINET, MX 10620 3440 450 1104 AS10620 - Telmex Colombia S.A., CO 13999 2297 503 332 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1910 369 65 AS11830 - Instituto Costarricense de Elec 11664 1500 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 1212 371 22 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1096 70 386 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1062 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 1924 1543 334 ETISALAT MISR - ETISALAT MISR, EG 36903 1351 587 105 Office National des Postes et Telecommuni 24863 1300 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 36935 1288 523 46 Vodafone Data - Vodafone Data, EG 37069 1116 1100 11 The Egyptian Company for Mobile Services 29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 328608 660 59 212 Africa on Cloud - Africa on Cloud, ZA 15399 560 57 61 Wananchi Group (Kenya) Limited - Wananchi 36914 541 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 15461 41509 5632 AMAZON-02 - Amazon.com, Inc., US 9808 14006 8737 120 CHINAMOBILE-CN - China Mobile Communicati 8151 12765 3255 626 AS8151 - UNINET, MX 12479 7081 1711 150 UNI2-AS - Orange Espagne SA, ES 7545 5853 820 460 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 5016 555 334 BBIL-AP - BHARTI Airtel Ltd., IN 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4783 3116 362 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4621 347 25 FPT-VN - FPT Telecom Company, VN 11492 4525 301 1154 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 14006 13886 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12765 12139 AS8151 - UNINET, MX 12479 7081 6931 UNI2-AS - Orange Espagne SA, ES 7545 5853 5393 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5016 4682 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4621 4596 FPT-VN - FPT Telecom Company, VN 22773 4783 4421 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4072 4048 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 23.133.212.0/24 Origin: 18604 UNASSIGNED 23.133.212.0/24 Transit: 394625 WHITELABELIT - WhiteLabel IT Solutions C 23.137.48.0/24 Origin: 16904 ARVIG-16904 - Arvig Enterprises Inc., US 23.137.48.0/24 Transit: 174 COGENT-174 - Cogent Communications, LLC, 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 /13:584 /14:1183 /15:2119 /16:13671 /17:8257 /18:13291 /19:25452 /20:45721 /21:52655 /22:113266 /23:108675 /24:670651 /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 7004 12765 AS8151 - UNINET, MX 12479 6006 7081 UNI2-AS - Orange Espagne SA, ES 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3506 3725 SHAW - Shaw Communications, CA 11492 3426 4525 CABLEONE - CABLE ONE, INC., US 22773 3053 4783 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2916 3962 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2868 15461 AMAZON-02 - Amazon.com, Inc., US 10620 2244 3440 AS10620 - Telmex Colombia S.A., CO 30036 2213 2558 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) ---------------------------------------------- 1:2539 2:2045 3:1014 4:5 5:5326 6:207 7:6 8:1377 9:76 11:172 12:1093 13:787 14:2742 15:476 16:292 17:452 18:945 20:599 21:4 22:188 23:8477 24:2773 25:2 27:2811 28:6 29:19 31:3819 32:36 34:92 35:286 36:4859 37:4420 38:10200 39:1373 40:433 41:4553 42:2197 43:3348 44:467 45:20156 46:4953 47:475 48:168 49:2398 50:2005 51:859 52:1364 54:295 55:1168 56:11 57:323 58:2395 59:1356 60:1209 61:3206 62:3155 63:1662 64:6501 65:2161 66:6084 67:3310 68:1297 69:4084 70:1053 71:606 72:3271 74:3059 75:1507 76:595 77:2880 78:2098 79:1919 80:2374 81:2274 82:4274 83:1486 84:2177 85:3904 86:1094 87:2755 88:1309 89:4763 90:781 91:8491 92:2770 93:3041 94:4453 95:4717 96:1451 97:307 98:930 99:973 100:72 101:1613 102:4737 103:33098 104:5608 105:839 106:898 107:2941 108:1326 109:3893 110:2288 111:4152 112:3115 113:1927 114:2507 115:2306 116:2097 117:3639 118:3063 119:2076 120:2776 121:1642 122:3034 123:2220 124:1777 125:3029 126:158 128:1566 129:968 130:1704 131:2534 132:885 133:488 134:1751 135:641 136:1531 137:1380 138:3421 139:1807 140:1872 141:1733 142:2624 143:2099 144:1843 145:674 146:2181 147:2280 148:2807 149:3333 150:1393 151:2961 152:2618 153:1897 154:9990 155:2362 156:4639 157:2523 158:1608 159:2889 160:3890 161:2042 162:4173 163:2672 164:2422 165:2790 166:1304 167:2359 168:4259 169:885 170:5627 171:1136 172:4914 173:3483 174:888 175:1373 176:4035 177:5145 178:4495 179:2532 180:3370 181:4650 182:4042 183:2825 184:2052 185:21898 186:6507 187:5505 188:4731 189:4668 190:9958 191:1788 192:11794 193:9627 194:7904 195:5878 196:3452 197:3232 198:6134 199:6071 200:8123 201:6634 202:10662 203:10663 204:4713 205:3732 206:4385 207:3887 208:4334 209:5414 210:4742 211:2695 212:5198 213:4107 214:1025 215:47 216:7316 217:3735 218:1860 219:418 220:2291 221:1364 222:939 223:3601 End of report