IPv4 R&E Routing Table Report 23:00 GMT Fri 02 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: 1077690 Prefixes after maximum aggregation (per Origin AS): 414354 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 535981 Number of IPv4 prefixes with a valid ROA: 759283 Number of IPv4 prefixes with an invalid ROA: 400 Number of IPv4 prefixes with no ROA: 318007 Total ASes present in the Internet Routing Table: 79310 Prefixes per ASN: 13.59 Origin-only ASes present in the Internet Routing Table: 67818 Origin ASes announcing only one prefix: 27821 Transit ASes present in the Internet Routing Table: 11492 Transit-only ASes present in the Internet Routing Table: 643 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: 1113 Number of instances of unregistered ASNs: 1135 Number of 32-bit ASNs allocated by the RIRs: 51487 Number of 32-bit ASNs visible in the Routing Table: 41751 Prefixes from 32-bit ASNs in the Routing Table: 242569 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: 534 Number of addresses announced to Internet: 3125957632 Equivalent to 186 /8s, 82 /16s and 84 /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: 355059 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 290843 Total APNIC prefixes after maximum aggregation: 85639 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 278442 Unique aggregates announced from the APNIC address blocks: 110809 APNIC Region origin ASes present in the Internet Routing Table: 15342 APNIC Prefixes per ASN: 18.15 APNIC Region origin ASes announcing only one prefix: 4719 APNIC Region transit ASes present in the Internet Routing Table: 2081 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: 10974 Number of APNIC addresses announced to Internet: 748809472 Equivalent to 44 /8s, 161 /16s and 237 /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: 315485 Total ARIN prefixes after maximum aggregation: 139997 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 312667 Unique aggregates announced from the ARIN address blocks: 153793 ARIN Region origin ASes present in the Internet Routing Table: 19498 ARIN Prefixes per ASN: 16.04 ARIN Region origin ASes announcing only one prefix: 7208 ARIN Region transit ASes present in the Internet Routing Table: 1987 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: 5801 Number of ARIN addresses announced to Internet: 1355776000 Equivalent to 80 /8s, 207 /16s and 128 /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: 299967 Total RIPE prefixes after maximum aggregation: 149246 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 306273 Unique aggregates announced from the RIPE address blocks: 200651 RIPE Region origin ASes present in the Internet Routing Table: 29860 RIPE Prefixes per ASN: 10.26 RIPE Region origin ASes announcing only one prefix: 12338 RIPE Region transit ASes present in the Internet Routing Table: 4187 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: 13918 Number of RIPE addresses announced to Internet: 750138624 Equivalent to 44 /8s, 182 /16s and 53 /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: 131870 Total LACNIC prefixes after maximum aggregation: 31711 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 125578 Unique aggregates announced from the LACNIC address blocks: 51561 LACNIC Region origin ASes present in the Internet Routing Table: 11520 LACNIC Prefixes per ASN: 10.90 LACNIC Region origin ASes announcing only one prefix: 2786 LACNIC Region transit ASes present in the Internet Routing Table: 2641 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: 9603 Number of LACNIC addresses announced to Internet: 167452416 Equivalent to 9 /8s, 251 /16s and 31 /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: 38412 Total AfriNIC prefixes after maximum aggregation: 7096 AfriNIC Deaggregation factor: 5.41 Prefixes being announced from the AfriNIC address blocks: 54196 Unique aggregates announced from the AfriNIC address blocks: 18720 AfriNIC Region origin ASes present in the Internet Routing Table: 2095 AfriNIC Prefixes per ASN: 25.87 AfriNIC Region origin ASes announcing only one prefix: 770 AfriNIC Region transit ASes present in the Internet Routing Table: 383 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 69 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1455 Number of AfriNIC addresses announced to Internet: 103498752 Equivalent to 6 /8s, 43 /16s and 68 /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 5116 561 341 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4676 347 24 FPT-VN - FPT Telecom Company, VN 7545 4640 833 276 TPG-INTERNET-AP - TPG Telecom Limited, AU 7552 4083 1331 24 VIETEL-AS-AP - Viettel Group, VN 56046 3616 887 179 CMNET-Jiangsu-AP - China Mobile communica 7713 3464 1043 69 telkomnet-as-ap - PT Telekomunikasi Indon 45899 3403 1868 98 VNPT-AS-VN - VNPT Corp, VN 140292 3090 316 1814 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK - 24560 2374 537 662 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 19868 42656 5602 AMAZON-02 - Amazon.com, Inc., US 22773 4911 3307 451 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4627 307 1096 CABLEONE - CABLE ONE, INC., US 7155 4338 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3835 1305 73 SHAW - Shaw Communications, CA 396982 3540 5380 596 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3250 241 1155 AS-COLOCROSSING - HostPapa, US 749 3133 54663 2384 DNIC-AS-00749 - United States Department 7029 2856 2582 907 WINDSTREAM - Windstream Communications LL 31898 2774 1375 1157 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 6976 1709 149 UNI2-AS - Orange Espagne SA, ES 39891 4976 307 73 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4365 389 2666 M247 - M247 Europe SRL, RO 20940 3809 3388 106 AKAMAI-ASN1 - Akamai International B.V., 212238 3587 258 2712 CDNEXT - Datacamp Limited, GB 12389 3120 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 8452 1697 1852 14 TE-AS - IDDQD-AS, EG 44559 1690 106 959 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 13241 3288 608 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 1859 369 65 AS11830 - Instituto Costarricense de Elec 11664 1497 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 1193 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1100 73 381 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 27715 1078 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 1294 524 47 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 806 57 60 Wananchi Group (Kenya) Limited - Wananchi 20011 561 161 173 Dimension Data - Dimension Data, ZA 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 19868 42656 5602 AMAZON-02 - Amazon.com, Inc., US 9808 14068 8737 135 CHINAMOBILE-CN - China Mobile Communicati 8151 13241 3288 608 AS8151 - UNINET, MX 12479 6976 1709 149 UNI2-AS - Orange Espagne SA, ES 9498 5116 561 341 BBIL-AP - BHARTI Airtel Ltd., IN 39891 4976 307 73 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4911 3307 451 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4676 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 13241 12633 AS8151 - UNINET, MX 12479 6976 6827 UNI2-AS - Orange Espagne SA, ES 39891 4976 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5116 4775 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4676 4652 FPT-VN - FPT Telecom Company, VN 22773 4911 4460 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7545 4640 4364 TPG-INTERNET-AP - TPG Telecom Limited, AU 7155 4338 4251 VIASAT-SP-BACKBONE - ViaSat,Inc., US 7552 4083 4059 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 /14:1189 /15:2134 /16:13716 /17:8252 /18:13248 /19:25492 /20:45564 /21:53182 /22:113470 /23:110697 /24:689693 /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 7408 13241 AS8151 - UNINET, MX 12479 5890 6976 UNI2-AS - Orange Espagne SA, ES 16509 3828 19868 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 3269 4338 VIASAT-SP-BACKBONE - ViaSat,Inc., US 22773 3130 4911 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 10620 2235 3400 AS10620 - Telmex Colombia S.A., CO 30036 2194 2540 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) ---------------------------------------------- 1:2749 2:2903 3:2228 4:6 5:5581 6:211 7:6 8:1499 9:233 11:172 12:1089 13:1645 14:2717 15:486 16:294 17:468 18:2456 20:599 21:4 22:188 23:8607 24:2808 25:2 27:2930 28:8 29:19 31:3998 32:34 34:93 35:293 36:4918 37:4434 38:10506 39:1445 40:453 41:4614 42:2239 43:3497 44:524 45:19920 46:4992 47:476 48:171 49:2464 50:2041 51:1036 52:1561 54:487 55:1161 56:11 57:332 58:2891 59:1499 60:1196 61:3257 62:3198 63:1675 64:6630 65:2284 66:6289 67:3338 68:1333 69:4147 70:1087 71:605 72:3373 74:3159 75:1754 76:603 77:2913 78:2152 79:1938 80:2386 81:2303 82:4461 83:1513 84:2175 85:3911 86:1147 87:2952 88:1378 89:4956 90:761 91:8534 92:2782 93:3059 94:4651 95:4743 96:1463 97:304 98:961 99:1192 100:65 101:1613 102:4725 103:33024 104:5760 105:964 106:962 107:3006 108:1982 109:3988 110:2244 111:4233 112:3249 113:1969 114:2617 115:2326 116:2119 117:3882 118:2990 119:2130 120:2855 121:1831 122:3067 123:2219 124:1984 125:3024 126:162 128:1593 129:983 130:1769 131:2605 132:956 133:483 134:1823 135:672 136:1581 137:1399 138:3421 139:1832 140:1868 141:1894 142:2727 143:2367 144:1930 145:707 146:2245 147:2412 148:2892 149:3744 150:1511 151:3200 152:2702 153:2196 154:8998 155:2375 156:4215 157:2588 158:1660 159:2987 160:4168 161:2136 162:4244 163:2787 164:2483 165:2792 166:1258 167:2416 168:4254 169:979 170:5583 171:1136 172:4957 173:3493 174:896 175:1433 176:4062 177:5614 178:4681 179:2860 180:3492 181:4720 182:4096 183:2905 184:2207 185:22079 186:6570 187:6012 188:4863 189:4924 190:9998 191:1969 192:11930 193:9627 194:7978 195:5995 196:3469 197:3267 198:6300 199:6161 200:8321 201:6950 202:10641 203:10672 204:4721 205:3715 206:4444 207:3870 208:4345 209:5458 210:4745 211:2729 212:5268 213:4135 214:1036 215:50 216:7347 217:3877 218:1928 219:414 220:2246 221:1470 222:981 223:3650 End of report