IPv4 R&E Routing Table Report 23:00 GMT Wed 23 Sep, 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: 1074227 Prefixes after maximum aggregation (per Origin AS): 413416 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 534299 Number of IPv4 prefixes with a valid ROA: 753144 Number of IPv4 prefixes with an invalid ROA: 395 Number of IPv4 prefixes with no ROA: 320688 Total ASes present in the Internet Routing Table: 79214 Prefixes per ASN: 13.56 Origin-only ASes present in the Internet Routing Table: 67837 Origin ASes announcing only one prefix: 27755 Transit ASes present in the Internet Routing Table: 11377 Transit-only ASes present in the Internet Routing Table: 621 Paths with bogon ASNs present in the IPv4 Routing Table: 48 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 216 Max AS path prepend of ASN (205624) 211 Prefixes from unregistered ASNs in the Routing Table: 1220 Number of instances of unregistered ASNs: 1231 Number of 32-bit ASNs allocated by the RIRs: 51323 Number of 32-bit ASNs visible in the Routing Table: 41667 Prefixes from 32-bit ASNs in the Routing Table: 242073 Number of bogon 32-bit ASNs visible in the Routing Table: 30 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 651 Number of addresses announced to Internet: 3125478656 Equivalent to 186 /8s, 75 /16s and 5 /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: 99.5 Total number of prefixes smaller than registry allocations: 353537 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 291357 Total APNIC prefixes after maximum aggregation: 85812 APNIC Deaggregation factor: 3.40 Prefixes being announced from the APNIC address blocks: 278659 Unique aggregates announced from the APNIC address blocks: 110726 APNIC Region origin ASes present in the Internet Routing Table: 15346 APNIC Prefixes per ASN: 18.16 APNIC Region origin ASes announcing only one prefix: 4700 APNIC Region transit ASes present in the Internet Routing Table: 2086 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 53 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10973 Number of APNIC addresses announced to Internet: 749008640 Equivalent to 44 /8s, 164 /16s and 247 /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: 312922 Total ARIN prefixes after maximum aggregation: 139430 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 310618 Unique aggregates announced from the ARIN address blocks: 153109 ARIN Region origin ASes present in the Internet Routing Table: 19467 ARIN Prefixes per ASN: 15.96 ARIN Region origin ASes announcing only one prefix: 7167 ARIN Region transit ASes present in the Internet Routing Table: 1922 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: 5785 Number of ARIN addresses announced to Internet: 1350562048 Equivalent to 80 /8s, 127 /16s and 241 /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: 299062 Total RIPE prefixes after maximum aggregation: 148692 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 305075 Unique aggregates announced from the RIPE address blocks: 199751 RIPE Region origin ASes present in the Internet Routing Table: 29806 RIPE Prefixes per ASN: 10.24 RIPE Region origin ASes announcing only one prefix: 12335 RIPE Region transit ASes present in the Internet Routing Table: 4145 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 36 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13870 Number of RIPE addresses announced to Internet: 749720832 Equivalent to 44 /8s, 175 /16s and 213 /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: 131570 Total LACNIC prefixes after maximum aggregation: 31734 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 125408 Unique aggregates announced from the LACNIC address blocks: 51545 LACNIC Region origin ASes present in the Internet Routing Table: 11516 LACNIC Prefixes per ASN: 10.89 LACNIC Region origin ASes announcing only one prefix: 2786 LACNIC Region transit ASes present in the Internet Routing Table: 2650 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 34 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9583 Number of LACNIC addresses announced to Internet: 167503360 Equivalent to 9 /8s, 251 /16s and 230 /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: 38096 Total AfriNIC prefixes after maximum aggregation: 7043 AfriNIC Deaggregation factor: 5.41 Prefixes being announced from the AfriNIC address blocks: 53816 Unique aggregates announced from the AfriNIC address blocks: 18683 AfriNIC Region origin ASes present in the Internet Routing Table: 2091 AfriNIC Prefixes per ASN: 25.74 AfriNIC Region origin ASes announcing only one prefix: 767 AfriNIC Region transit ASes present in the Internet Routing Table: 374 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: 1456 Number of AfriNIC addresses announced to Internet: 103527936 Equivalent to 6 /8s, 43 /16s and 182 /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 5118 561 339 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4688 347 24 FPT-VN - FPT Telecom Company, VN 7545 4636 831 274 TPG-INTERNET-AP - TPG Telecom Limited, AU 7552 4078 1331 24 VIETEL-AS-AP - Viettel Group, VN 56046 3616 887 179 CMNET-Jiangsu-AP - China Mobile communica 7713 3545 1043 69 telkomnet-as-ap - PT Telekomunikasi Indon 45899 3402 1868 98 VNPT-AS-VN - VNPT Corp, VN 140292 3090 316 1814 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK - 24560 2479 589 702 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 18558 42650 5644 AMAZON-02 - Amazon.com, Inc., US 22773 4868 3168 422 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4604 306 1119 CABLEONE - CABLE ONE, INC., US 7155 4338 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3832 1305 74 SHAW - Shaw Communications, CA 396982 3526 5380 595 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3206 239 1133 AS-COLOCROSSING - HostPapa, US 749 3133 54663 2384 DNIC-AS-00749 - United States Department 7029 2819 2578 892 WINDSTREAM - Windstream Communications LL 31898 2764 1374 1152 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 6993 1709 149 UNI2-AS - Orange Espagne SA, ES 39891 4976 307 73 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4345 388 2643 M247 - M247 Europe SRL, RO 20940 3814 3388 105 AKAMAI-ASN1 - Akamai International B.V., 212238 3584 258 2708 CDNEXT - Datacamp Limited, GB 12389 3119 2329 865 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2525 371 601 TELLCOM-AS - Superonline Iletisim Hizmetl 29355 2524 155 28 KCELL-AS - Kcell JSC, KZ 44559 1696 106 960 ITHOSTLINE - IT HOSTLINE LTD, CY 8452 1692 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 13220 3307 608 AS8151 - UNINET, MX 10620 3406 443 1115 AS10620 - Telmex Colombia S.A., CO 13999 2238 495 328 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1866 369 65 AS11830 - Instituto Costarricense de Elec 11664 1494 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1377 2433 268 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1266 762 224 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1195 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1100 73 385 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 27715 1077 75 53 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 1976 497 26 Vodafone Data - Vodafone Data, EG 36992 1942 1543 328 ETISALAT MISR - ETISALAT MISR, EG 24863 1455 389 20 Link Egypt (Link.NET) - Link Egypt (Link. 36903 1353 589 106 Office National des Postes et Telecommuni 36935 1286 523 49 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 599 58 62 Wananchi Group (Kenya) Limited - Wananchi 20011 557 160 172 Dimension Data - Dimension Data, ZA 36914 550 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 18558 42650 5644 AMAZON-02 - Amazon.com, Inc., US 9808 14068 8737 135 CHINAMOBILE-CN - China Mobile Communicati 8151 13220 3307 608 AS8151 - UNINET, MX 12479 6993 1709 149 UNI2-AS - Orange Espagne SA, ES 9498 5118 561 339 BBIL-AP - BHARTI Airtel Ltd., IN 39891 4976 307 73 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4868 3168 422 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4688 347 24 FPT-VN - FPT Telecom Company, VN 7545 4636 831 274 TPG-INTERNET-AP - TPG Telecom Limited, AU 11492 4604 306 1119 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 13220 12612 AS8151 - UNINET, MX 12479 6993 6844 UNI2-AS - Orange Espagne SA, ES 39891 4976 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5118 4779 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4688 4664 FPT-VN - FPT Telecom Company, VN 22773 4868 4446 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7545 4636 4362 TPG-INTERNET-AP - TPG Telecom Limited, AU 7155 4338 4251 VIASAT-SP-BACKBONE - ViaSat,Inc., US 7552 4078 4054 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 /15:2135 /16:13716 /17:8240 /18:13234 /19:25468 /20:45618 /21:53168 /22:113239 /23:110549 /24:686618 /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 7388 13220 AS8151 - UNINET, MX 12479 5902 6993 UNI2-AS - Orange Espagne SA, ES 39891 3661 4976 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 16509 3627 18558 AMAZON-02 - Amazon.com, Inc., US 6327 3597 3832 SHAW - Shaw Communications, CA 11492 3511 4604 CABLEONE - CABLE ONE, INC., US 7155 3269 4338 VIASAT-SP-BACKBONE - ViaSat,Inc., US 22773 3112 4868 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 10620 2241 3406 AS10620 - Telmex Colombia S.A., CO 30036 2204 2552 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) ---------------------------------------------- 1:2720 2:2902 3:1870 4:6 5:5541 6:212 7:6 8:1345 9:116 11:172 12:1088 13:1453 14:2709 15:491 16:286 17:465 18:1892 20:601 21:4 22:188 23:8529 24:2807 25:2 27:2931 28:7 29:19 31:3972 32:35 34:93 35:293 36:4920 37:4433 38:10474 39:1435 40:455 41:4635 42:2262 43:3506 44:515 45:19961 46:5029 47:479 48:171 49:2455 50:2025 51:1011 52:1461 54:449 55:1164 56:11 57:331 58:2892 59:1500 60:1197 61:3336 62:3190 63:1703 64:6611 65:2258 66:6278 67:3340 68:1299 69:4134 70:1088 71:609 72:3350 74:3155 75:1744 76:600 77:2936 78:2148 79:1893 80:2378 81:2308 82:4480 83:1512 84:2181 85:3899 86:1131 87:2951 88:1366 89:4929 90:763 91:8484 92:2771 93:3088 94:4659 95:4755 96:1463 97:304 98:950 99:1111 100:65 101:1612 102:4751 103:33098 104:5749 105:936 106:932 107:2991 108:1871 109:3961 110:2238 111:4236 112:3246 113:1953 114:2611 115:2321 116:2116 117:3891 118:2986 119:2131 120:2863 121:1827 122:3055 123:2220 124:1983 125:3023 126:156 128:1589 129:976 130:1753 131:2592 132:932 133:484 134:1856 135:672 136:1579 137:1409 138:3424 139:1827 140:1867 141:1873 142:2716 143:2353 144:1913 145:718 146:2233 147:2424 148:2883 149:3736 150:1506 151:3179 152:2704 153:2168 154:9007 155:2376 156:3992 157:2580 158:1660 159:2979 160:4142 161:2145 162:4249 163:2782 164:2480 165:2803 166:1258 167:2419 168:4349 169:971 170:5614 171:1135 172:4956 173:3486 174:893 175:1415 176:4040 177:5587 178:4704 179:2788 180:3499 181:4697 182:4095 183:2905 184:2215 185:22053 186:6554 187:5903 188:4834 189:4839 190:9952 191:1946 192:11910 193:9588 194:7956 195:5977 196:3413 197:3261 198:6286 199:6136 200:8263 201:6937 202:10677 203:10705 204:4731 205:3684 206:4449 207:3877 208:4333 209:5471 210:4746 211:2728 212:5232 213:4126 214:1029 215:50 216:7364 217:3853 218:1927 219:414 220:2243 221:1473 222:980 223:3628 End of report