IPv4 R&E Routing Table Report 23:05 GMT Fri 13 May, 2022 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: 881455 Prefixes after maximum aggregation (per Origin AS): 335498 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 431884 Number of IPv4 prefixes with a valid ROA: 323999 Number of IPv4 prefixes with an invalid ROA: 1077 Number of IPv4 prefixes with no ROA: 556379 Total ASes present in the Internet Routing Table: 72965 Prefixes per ASN: 12.08 Origin-only ASes present in the Internet Routing Table: 62668 Origin ASes announcing only one prefix: 25749 Transit ASes present in the Internet Routing Table: 10297 Transit-only ASes present in the Internet Routing Table: 377 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 66 Max AS path prepend of ASN (267602) 58 Prefixes from unregistered ASNs in the Routing Table: 866 Number of instances of unregistered ASNs: 871 Number of 32-bit ASNs allocated by the RIRs: 39364 Number of 32-bit ASNs visible in the Routing Table: 32616 Prefixes from 32-bit ASNs in the Routing Table: 153375 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 521 Number of addresses announced to Internet: 3068717056 Equivalent to 182 /8s, 232 /16s and 232 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 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: 296431 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228547 Total APNIC prefixes after maximum aggregation: 66009 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 223746 Unique aggregates announced from the APNIC address blocks: 94742 APNIC Region origin ASes present in the Internet Routing Table: 12545 APNIC Prefixes per ASN: 17.84 APNIC Region origin ASes announcing only one prefix: 3573 APNIC Region transit ASes present in the Internet Routing Table: 1720 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7815 Number of APNIC addresses announced to Internet: 775408896 Equivalent to 46 /8s, 55 /16s and 205 /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, 131072-151865 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: 260302 Total ARIN prefixes after maximum aggregation: 119750 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 260280 Unique aggregates announced from the ARIN address blocks: 125923 ARIN Region origin ASes present in the Internet Routing Table: 18963 ARIN Prefixes per ASN: 13.73 ARIN Region origin ASes announcing only one prefix: 6922 ARIN Region transit ASes present in the Internet Routing Table: 1871 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4471 Number of ARIN addresses announced to Internet: 1295439360 Equivalent to 77 /8s, 54 /16s and 214 /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, 393216-401308 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, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 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: 249458 Total RIPE prefixes after maximum aggregation: 116226 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 246773 Unique aggregates announced from the RIPE address blocks: 150530 RIPE Region origin ASes present in the Internet Routing Table: 28129 RIPE Prefixes per ASN: 8.77 RIPE Region origin ASes announcing only one prefix: 12023 RIPE Region transit ASes present in the Internet Routing Table: 4000 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10709 Number of RIPE addresses announced to Internet: 713794304 Equivalent to 42 /8s, 139 /16s and 163 /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 196608-213403 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 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: 114454 Total LACNIC prefixes after maximum aggregation: 27381 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 114287 Unique aggregates announced from the LACNIC address blocks: 48596 LACNIC Region origin ASes present in the Internet Routing Table: 10958 LACNIC Prefixes per ASN: 10.43 LACNIC Region origin ASes announcing only one prefix: 2670 LACNIC Region transit ASes present in the Internet Routing Table: 2208 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 66 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8660 Number of LACNIC addresses announced to Internet: 176427520 Equivalent to 10 /8s, 132 /16s and 18 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 27828 Total AfriNIC prefixes after maximum aggregation: 5464 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 35848 Unique aggregates announced from the AfriNIC address blocks: 11647 AfriNIC Region origin ASes present in the Internet Routing Table: 1631 AfriNIC Prefixes per ASN: 21.98 AfriNIC Region origin ASes announcing only one prefix: 561 AfriNIC Region transit ASes present in the Internet Routing Table: 331 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 33 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 961 Number of AfriNIC addresses announced to Internet: 107354624 Equivalent to 6 /8s, 102 /16s and 26 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 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 9137 8883 41 CHINAMOBILE-CN China Mobile Communicati 7545 5921 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3584 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3496 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3430 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2405 499 240 BBIL-AP BHARTI Airtel Ltd., IN 4766 2251 11119 595 KIXS-AS-KR Korea Telecom, KR 45090 2134 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2119 438 203 TATACOMM-AS TATA Communications formerl 24560 2044 853 380 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 6405 10352 2769 AMAZON-02, US 11492 4494 298 692 CABLEONE, US 22773 3914 3062 347 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3605 1838 2547 AKAMAI-AS, US 6327 3437 1318 61 SHAW, CA 749 2882 50780 2138 DNIC-AS-00749, US 30036 2628 374 124 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2460 4961 421 CENTURYLINK-US-LEGACY-QWEST, US 20115 2249 3051 492 CHARTER-20115, 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 6800 1730 150 UNI2-AS, ES 8551 4010 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3942 3360 192 AKAMAI-ASN1, NL 39891 3751 216 30 ALJAWWALSTC-AS, SA 6849 2907 355 21 UKRTELNET, UA 12389 2897 2273 907 ROSTELECOM-AS, RU 9009 2481 247 1287 M247, GB 34984 2238 357 631 TELLCOM-AS, TR 58224 1771 923 678 TCI, IR 13188 1610 100 27 TRIOLAN, UA 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 10602 3397 562 Uninet S.A. de C.V., MX 10620 3471 518 747 Telmex Colombia S.A., CO 11830 2433 369 63 Instituto Costarricense de Electricidad 13999 1800 299 471 Mega Cable, S.A. de C.V., MX 6503 1455 355 528 Axtel, S.A.B. de C.V., MX 28573 1390 2333 253 CLARO S.A., BR 3816 1256 671 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1079 369 21 Telefonica del Peru S.A.A., PE 11664 1017 191 441 Techtel LMDS Comunicaciones Interactiva 11172 957 133 61 Alestra, S. de R.L. de C.V., MX 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 24863 1653 393 21 LINKdotNET-AS, EG 24835 1442 501 30 RAYA-AS, EG 36992 1313 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 948 65 57 ORANGE-COTE-IVOIRE, CI 36935 619 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 512 51 33 WANANCHI-, KE 37342 467 32 1 MOVITEL, MZ 23889 420 232 16 MauritiusTelecom, MU 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 8151 10602 3397 562 Uninet S.A. de C.V., MX 9808 9137 8883 41 CHINAMOBILE-CN China Mobile Communicati 12479 6800 1730 150 UNI2-AS, ES 16509 6405 10352 2769 AMAZON-02, US 7545 5921 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4494 298 692 CABLEONE, US 8551 4010 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3942 3360 192 AKAMAI-ASN1, NL 22773 3914 3062 347 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, 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 9137 9096 CHINAMOBILE-CN China Mobile Communications Grou 12479 6800 6650 UNI2-AS, ES 7545 5921 5228 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 4010 3971 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4494 3802 CABLEONE, US 20940 3942 3750 AKAMAI-ASN1, NL 39891 3751 3721 ALJAWWALSTC-AS, SA 16509 6405 3636 AMAZON-02, US 22773 3914 3567 ASN-CXA-ALL-CCI-22773-RDC, 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 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 395056 UNALLOCATED 8.45.133.0/24 3356 LEVEL3, US 17033 UNALLOCATED 8.48.225.0/24 3356 LEVEL3, US 17033 UNALLOCATED 12.3.33.0/24 7018 ATT-INTERNET4, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.129.40.0/24 Origin: 6461 ZAYO-6461, US 23.129.40.0/24 Transit: 2914 NTT-LTD-2914, US 23.129.56.0/24 Origin: 6461 ZAYO-6461, US 23.129.56.0/24 Transit: 2914 NTT-LTD-2914, US 23.129.136.0/24 Origin: 6461 ZAYO-6461, US 23.129.136.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.8.0/24 Origin: 3257 GTT-BACKBONE GTT, US 23.131.8.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.88.0/24 Origin: 3257 GTT-BACKBONE GTT, US 23.131.88.0/24 Transit: 2914 NTT-LTD-2914, US 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 /9:13 /10:40 /11:101 /12:303 /13:589 /14:1204 /15:2096 /16:13513 /17:8241 /18:13773 /19:24853 /20:42492 /21:50744 /22:106913 /23:94395 /24:522163 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5779 6800 UNI2-AS, ES 8151 4318 10602 Uninet S.A. de C.V., MX 8551 3476 4010 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3400 4494 CABLEONE, US 6327 3250 3437 SHAW, CA 39891 3067 3751 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2925 3914 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2758 2907 UKRTELNET, UA 30036 2284 2628 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1926 2:1034 3:154 4:6 5:3782 6:104 7:5 8:1526 9:1 11:172 12:1712 13:298 14:2372 15:201 16:44 17:386 18:161 20:212 21:4 22:188 23:5651 24:2268 25:6 27:2587 29:19 31:2416 32:93 34:2 35:76 36:1781 37:4368 38:2816 39:693 40:153 41:3977 42:1091 43:2165 44:290 45:15975 46:4126 47:295 49:1680 50:2153 51:98 52:1426 54:367 55:669 56:8 57:60 58:1697 59:1119 60:960 61:2248 62:2536 63:1943 64:5477 65:2315 66:4833 67:2970 68:1194 69:4138 70:1327 71:673 72:3039 74:2640 75:1390 76:584 77:2175 78:1852 79:3115 80:1990 81:1590 82:1493 83:1204 84:1351 85:2917 86:712 87:1958 88:1106 89:3280 90:520 91:7614 92:2011 93:2584 94:3479 95:3852 96:1305 97:349 98:996 99:737 100:75 101:1270 102:2086 103:28901 104:4375 105:462 106:871 107:2509 108:823 109:4235 110:2006 111:3240 112:2024 113:1478 114:1477 115:1974 116:1879 117:2514 118:2338 119:1858 120:1665 121:1018 122:2540 123:2090 124:1536 125:2057 128:1179 129:1084 130:960 131:2055 132:790 133:372 134:1894 135:290 136:876 137:849 138:2417 139:1504 140:857 141:1399 142:1271 143:1442 144:1211 145:343 146:1797 147:1481 148:2219 149:1716 150:841 151:1082 152:1849 153:459 154:3445 155:1423 156:1748 157:1233 158:1041 159:2175 160:2517 161:1273 162:3460 163:1260 164:1631 165:1610 166:706 167:1716 168:3743 169:836 170:4467 171:827 172:3177 173:3109 174:1023 175:1132 176:3504 177:4622 178:3509 179:2017 180:2308 181:2961 182:3197 183:1949 184:2387 185:19480 186:4314 187:3716 188:3856 189:3217 190:8853 191:1318 192:10986 193:8604 194:6990 195:4955 196:2987 197:2420 198:5953 199:6026 200:7411 201:5709 202:10095 203:9984 204:4545 205:3423 206:3685 207:3329 208:4031 209:4638 210:4081 211:2342 212:4001 213:3424 214:1155 215:67 216:6415 217:2668 218:1246 219:405 220:1670 221:978 222:670 223:2102 End of report