IPv4 R&E Routing Table Report 23:00 GMT Mon 05 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: 1077308 Prefixes after maximum aggregation (per Origin AS): 414309 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 535695 Number of IPv4 prefixes with a valid ROA: 758972 Number of IPv4 prefixes with an invalid ROA: 409 Number of IPv4 prefixes with no ROA: 317927 Total ASes present in the Internet Routing Table: 79316 Prefixes per ASN: 13.58 Origin-only ASes present in the Internet Routing Table: 67810 Origin ASes announcing only one prefix: 27843 Transit ASes present in the Internet Routing Table: 11506 Transit-only ASes present in the Internet Routing Table: 640 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: 1114 Number of instances of unregistered ASNs: 1136 Number of 32-bit ASNs allocated by the RIRs: 51521 Number of 32-bit ASNs visible in the Routing Table: 41767 Prefixes from 32-bit ASNs in the Routing Table: 242621 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: 515 Number of addresses announced to Internet: 3125807872 Equivalent to 186 /8s, 80 /16s and 11 /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: 354977 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 291159 Total APNIC prefixes after maximum aggregation: 85631 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 278786 Unique aggregates announced from the APNIC address blocks: 110881 APNIC Region origin ASes present in the Internet Routing Table: 15376 APNIC Prefixes per ASN: 18.13 APNIC Region origin ASes announcing only one prefix: 4732 APNIC Region transit ASes present in the Internet Routing Table: 2084 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 93 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10998 Number of APNIC addresses announced to Internet: 748875776 Equivalent to 44 /8s, 162 /16s and 240 /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: 314846 Total ARIN prefixes after maximum aggregation: 140016 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 311994 Unique aggregates announced from the ARIN address blocks: 153439 ARIN Region origin ASes present in the Internet Routing Table: 19489 ARIN Prefixes per ASN: 16.01 ARIN Region origin ASes announcing only one prefix: 7205 ARIN Region transit ASes present in the Internet Routing Table: 1985 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: 5799 Number of ARIN addresses announced to Internet: 1355489280 Equivalent to 80 /8s, 203 /16s and 32 /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: 299696 Total RIPE prefixes after maximum aggregation: 149162 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 305984 Unique aggregates announced from the RIPE address blocks: 200603 RIPE Region origin ASes present in the Internet Routing Table: 29846 RIPE Prefixes per ASN: 10.25 RIPE Region origin ASes announcing only one prefix: 12359 RIPE Region transit ASes present in the Internet Routing Table: 4186 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 54 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13914 Number of RIPE addresses announced to Internet: 750006784 Equivalent to 44 /8s, 180 /16s and 50 /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: 132063 Total LACNIC prefixes after maximum aggregation: 31729 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 125805 Unique aggregates announced from the LACNIC address blocks: 51573 LACNIC Region origin ASes present in the Internet Routing Table: 11521 LACNIC Prefixes per ASN: 10.92 LACNIC Region origin ASes announcing only one prefix: 2778 LACNIC Region transit ASes present in the Internet Routing Table: 2649 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: 9601 Number of LACNIC addresses announced to Internet: 167480320 Equivalent to 9 /8s, 251 /16s and 140 /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: 38430 Total AfriNIC prefixes after maximum aggregation: 7105 AfriNIC Deaggregation factor: 5.41 Prefixes being announced from the AfriNIC address blocks: 54224 Unique aggregates announced from the AfriNIC address blocks: 18771 AfriNIC Region origin ASes present in the Internet Routing Table: 2091 AfriNIC Prefixes per ASN: 25.93 AfriNIC Region origin ASes announcing only one prefix: 769 AfriNIC Region transit ASes present in the Internet Routing Table: 384 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 53 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1455 Number of AfriNIC addresses announced to Internet: 103681536 Equivalent to 6 /8s, 46 /16s and 14 /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 4086 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 3406 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 19208 42655 5607 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 4337 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3835 1305 73 SHAW - Shaw Communications, CA 396982 3540 5380 595 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3249 242 1156 AS-COLOCROSSING - HostPapa, US 749 3134 54663 2385 DNIC-AS-00749 - United States Department 7029 2872 2587 913 WINDSTREAM - Windstream Communications LL 31898 2776 1376 1159 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 4976 307 73 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4367 389 2667 M247 - M247 Europe SRL, RO 20940 3819 3388 106 AKAMAI-ASN1 - Akamai International B.V., 212238 3631 261 2756 CDNEXT - Datacamp Limited, GB 12389 3119 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 3257 1731 2082 976 GTT-BACKBONE - GTT Communications Inc., U 8452 1715 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 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 1862 369 65 AS11830 - Instituto Costarricense de Elec 11664 1505 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 1191 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1100 73 381 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 27715 1079 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 1458 389 20 Link Egypt (Link.NET) - Link Egypt (Link. 36903 1352 588 110 Office National des Postes et Telecommuni 36935 1240 523 49 Vodafone Data - Vodafone Data, EG 37069 1127 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 562 162 174 Dimension Data - Dimension Data, ZA 36914 545 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 19208 42655 5607 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 39891 4976 307 73 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4910 3307 451 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 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 4976 4903 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 4337 4250 VIASAT-SP-BACKBONE - ViaSat,Inc., US 7552 4086 4062 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 /15:2133 /16:13713 /17:8247 /18:13234 /19:25459 /20:45507 /21:53223 /22:113445 /23:110755 /24:689349 /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 5889 6975 UNI2-AS - Orange Espagne SA, ES 16509 3734 19208 AMAZON-02 - Amazon.com, Inc., US 39891 3661 4976 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3601 3835 SHAW - Shaw Communications, CA 11492 3511 4627 CABLEONE - CABLE ONE, INC., US 7155 3268 4337 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 2539 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) ---------------------------------------------- 1:2750 2:2887 3:2055 4:6 5:5555 6:211 7:6 8:1500 9:275 11:172 12:1087 13:1493 14:2720 15:487 16:300 17:468 18:2106 20:599 21:4 22:188 23:8613 24:2809 25:2 27:2933 28:8 29:19 31:3976 32:34 34:93 35:293 36:4922 37:4415 38:10506 39:1445 40:453 41:4614 42:2245 43:3505 44:526 45:19985 46:4979 47:476 48:171 49:2465 50:2036 51:1040 52:1536 54:479 55:1161 56:11 57:332 58:2890 59:1499 60:1196 61:3259 62:3180 63:1673 64:6663 65:2285 66:6285 67:3339 68:1352 69:4142 70:1085 71:604 72:3370 74:3157 75:1754 76:600 77:2901 78:2153 79:1953 80:2381 81:2303 82:4436 83:1514 84:2173 85:3914 86:1153 87:2966 88:1381 89:4950 90:770 91:8531 92:2782 93:3057 94:4654 95:4737 96:1463 97:304 98:959 99:1182 100:65 101:1614 102:4757 103:33105 104:5763 105:959 106:964 107:3008 108:1872 109:3966 110:2243 111:4237 112:3252 113:1969 114:2616 115:2329 116:2122 117:3882 118:2988 119:2139 120:2855 121:1830 122:3068 123:2220 124:1985 125:3024 126:162 128:1581 129:994 130:1761 131:2606 132:957 133:483 134:1816 135:674 136:1580 137:1409 138:3425 139:1831 140:1868 141:1889 142:2729 143:2375 144:1922 145:713 146:2246 147:2425 148:2885 149:3742 150:1508 151:3201 152:2704 153:2200 154:9009 155:2374 156:4209 157:2589 158:1656 159:2985 160:4179 161:2135 162:4247 163:2778 164:2500 165:2792 166:1260 167:2416 168:4276 169:984 170:5599 171:1136 172:4958 173:3486 174:894 175:1431 176:4059 177:5645 178:4671 179:2865 180:3498 181:4718 182:4096 183:2903 184:2212 185:22013 186:6616 187:6054 188:4859 189:4964 190:9998 191:1983 192:11932 193:9618 194:7980 195:6014 196:3476 197:3290 198:6294 199:6160 200:8328 201:6964 202:10646 203:10718 204:4720 205:3716 206:4451 207:3865 208:4337 209:5459 210:4748 211:2729 212:5271 213:4134 214:1037 215:50 216:7342 217:3912 218:1928 219:414 220:2247 221:1469 222:982 223:3652 End of report