IPv4 R&E Routing Table Report 23:05 GMT Tue 20 Sep, 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: 892985 Prefixes after maximum aggregation (per Origin AS): 340049 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 439357 Number of IPv4 prefixes with a valid ROA: 350716 Number of IPv4 prefixes with an invalid ROA: 1501 Number of IPv4 prefixes with no ROA: 540768 Total ASes present in the Internet Routing Table: 73510 Prefixes per ASN: 12.15 Origin-only ASes present in the Internet Routing Table: 63156 Origin ASes announcing only one prefix: 26005 Transit ASes present in the Internet Routing Table: 10354 Transit-only ASes present in the Internet Routing Table: 409 Paths with bogon ASNs present in the IPv4 Routing Table: 32 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1093 Number of instances of unregistered ASNs: 1094 Number of 32-bit ASNs allocated by the RIRs: 40182 Number of 32-bit ASNs visible in the Routing Table: 33329 Prefixes from 32-bit ASNs in the Routing Table: 159618 Number of bogon 32-bit ASNs visible in the Routing Table: 9 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 593 Number of addresses announced to Internet: 3067179264 Equivalent to 182 /8s, 209 /16s and 113 /24s Percentage of available address space announced: 82.8 Percentage of allocated address space announced: 82.8 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: 300203 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 230759 Total APNIC prefixes after maximum aggregation: 66918 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 225728 Unique aggregates announced from the APNIC address blocks: 96431 APNIC Region origin ASes present in the Internet Routing Table: 12873 APNIC Prefixes per ASN: 17.53 APNIC Region origin ASes announcing only one prefix: 3713 APNIC Region transit ASes present in the Internet Routing Table: 1746 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8169 Number of APNIC addresses announced to Internet: 772832512 Equivalent to 46 /8s, 16 /16s and 125 /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: 263915 Total ARIN prefixes after maximum aggregation: 120812 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 264677 Unique aggregates announced from the ARIN address blocks: 128045 ARIN Region origin ASes present in the Internet Routing Table: 19004 ARIN Prefixes per ASN: 13.93 ARIN Region origin ASes announcing only one prefix: 6954 ARIN Region transit ASes present in the Internet Routing Table: 1865 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4603 Number of ARIN addresses announced to Internet: 1291864576 Equivalent to 77 /8s, 0 /16s and 74 /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: 252509 Total RIPE prefixes after maximum aggregation: 118279 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 249628 Unique aggregates announced from the RIPE address blocks: 153531 RIPE Region origin ASes present in the Internet Routing Table: 28167 RIPE Prefixes per ASN: 8.86 RIPE Region origin ASes announcing only one prefix: 12044 RIPE Region transit ASes present in the Internet Routing Table: 4008 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10812 Number of RIPE addresses announced to Internet: 718191360 Equivalent to 42 /8s, 206 /16s and 187 /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: 116429 Total LACNIC prefixes after maximum aggregation: 27683 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 116007 Unique aggregates announced from the LACNIC address blocks: 48973 LACNIC Region origin ASes present in the Internet Routing Table: 10971 LACNIC Prefixes per ASN: 10.57 LACNIC Region origin ASes announcing only one prefix: 2702 LACNIC Region transit ASes present in the Internet Routing Table: 2229 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8728 Number of LACNIC addresses announced to Internet: 176227328 Equivalent to 10 /8s, 129 /16s and 4 /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: 28280 Total AfriNIC prefixes after maximum aggregation: 5571 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 36352 Unique aggregates announced from the AfriNIC address blocks: 11897 AfriNIC Region origin ASes present in the Internet Routing Table: 1686 AfriNIC Prefixes per ASN: 21.56 AfriNIC Region origin ASes announcing only one prefix: 592 AfriNIC Region transit ASes present in the Internet Routing Table: 326 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1017 Number of AfriNIC addresses announced to Internet: 107752704 Equivalent to 6 /8s, 108 /16s and 45 /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 9056 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5855 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3583 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3517 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3134 1866 78 VNPT-AS-VN VNPT Corp, VN 9498 2445 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2228 11123 597 KIXS-AS-KR Korea Telecom, KR 24560 2214 854 414 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2143 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2126 425 216 TATACOMM-AS TATA Communications formerl 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 7119 10487 2830 AMAZON-02, US 11492 4544 301 592 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3779 3064 345 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3532 1836 2535 AKAMAI-AS, US 6327 3467 1319 64 SHAW, CA 749 3033 50728 2291 DNIC-AS-00749, US 30036 2603 368 285 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2534 3387 367 GOOGLE-CLOUD-PLATFORM, US 209 2349 4935 395 CENTURYLINK-US-LEGACY-QWEST, 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 6911 1730 144 UNI2-AS, ES 20940 4054 3360 193 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3987 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2887 2290 908 ROSTELECOM-AS, RU 6849 2672 355 21 UKRTELNET, UA 9009 2593 250 1338 M247, GB 34984 2256 358 633 TELLCOM-AS, TR 58224 1797 936 536 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 10959 3392 562 Uninet S.A. de C.V., MX 10620 3503 515 787 Telmex Colombia S.A., CO 11830 2319 369 65 Instituto Costarricense de Electricidad 13999 2000 326 512 Mega Cable, S.A. de C.V., MX 28573 1359 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1290 338 521 Axtel, S.A.B. de C.V., MX 3816 1279 708 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1135 369 21 Telefonica del Peru S.A.A., PE 11664 1058 179 467 Techtel LMDS Comunicaciones Interactiva 26615 987 2466 43 TIM SA, 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 24863 1581 393 21 LINKdotNET-AS, EG 24835 1476 449 28 RAYA-AS, EG 36992 1349 1519 270 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 989 67 40 ORANGE-COTE-IVOIRE, CI 36935 626 518 29 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 521 52 40 WANANCHI-, KE 37342 481 32 1 MOVITEL, MZ 23889 401 232 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 10959 3392 562 Uninet S.A. de C.V., MX 9808 9056 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7119 10487 2830 AMAZON-02, US 12479 6911 1730 144 UNI2-AS, ES 7545 5855 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4544 301 592 CABLEONE, US 20940 4054 3360 193 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3987 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3898 265 32 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 9056 9009 CHINAMOBILE-CN China Mobile Communications Grou 12479 6911 6767 UNI2-AS, ES 7545 5855 5160 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7119 4289 AMAZON-02, US 39891 4010 3963 ALJAWWALSTC-AS, SA 11492 4544 3952 CABLEONE, US 8551 3987 3949 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3898 3866 VIASAT-SP-BACKBONE, US 20940 4054 3861 AKAMAI-ASN1, NL 7552 3583 3563 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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, 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 Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 24.152.20.0/23 Origin: 270472 UNASSIGNED 24.152.20.0/23 Transit: 28186 ITS TELECOMUNICACOES LTDA, BR 24.152.22.0/23 Origin: 270472 UNASSIGNED 24.152.22.0/23 Transit: 28186 ITS TELECOMUNICACOES LTDA, BR 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 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 /10:38 /11:101 /12:297 /13:586 /14:1198 /15:2092 /16:13465 /17:8266 /18:13761 /19:24696 /20:42915 /21:50861 /22:107773 /23:95727 /24:531173 /25:0 /26:1 /27:1 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5912 6911 UNI2-AS, ES 8151 4699 10959 Uninet S.A. de C.V., MX 11492 3464 4544 CABLEONE, US 8551 3451 3987 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3276 3467 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2804 3779 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2528 2672 UKRTELNET, UA 30036 2260 2603 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1900 2:1017 3:163 4:5 5:3893 6:116 7:6 8:1560 9:1 11:173 12:1629 13:339 14:2352 15:264 16:51 17:362 18:311 20:243 21:4 22:188 23:5934 24:2442 25:6 27:2662 29:19 31:2409 32:91 34:7 35:89 36:1884 37:4464 38:3531 39:744 40:155 41:3897 42:1155 43:2219 44:293 45:16124 46:4175 47:299 48:1 49:1719 50:1928 51:241 52:1491 54:385 55:830 56:8 57:65 58:1725 59:1110 60:974 61:2341 62:2536 63:1899 64:5590 65:2331 66:4841 67:2963 68:1197 69:4140 70:1309 71:685 72:2986 74:2626 75:1455 76:584 77:2248 78:1850 79:3131 80:2065 81:1658 82:1499 83:1203 84:1383 85:2939 86:722 87:1912 88:1161 89:3400 90:555 91:7593 92:2031 93:2540 94:3540 95:3846 96:1311 97:348 98:1032 99:722 100:75 101:1296 102:2331 103:29938 104:4564 105:465 106:890 107:2536 108:874 109:4294 110:1980 111:3277 112:2038 113:1477 114:1489 115:1979 116:1885 117:2482 118:2323 119:1825 120:1707 121:1014 122:2523 123:2087 124:1508 125:2099 128:1160 129:1010 130:994 131:2030 132:814 133:376 134:1934 135:296 136:791 137:874 138:2527 139:1513 140:955 141:1452 142:1350 143:1404 144:1192 145:345 146:1843 147:1513 148:2209 149:1794 150:864 151:1087 152:1938 153:468 154:3773 155:1419 156:1696 157:1286 158:1039 159:2187 160:2526 161:1330 162:3488 163:1392 164:1661 165:1654 166:789 167:1739 168:3788 169:875 170:4529 171:842 172:3369 173:3103 174:1019 175:1162 176:3611 177:4683 178:3565 179:2172 180:2366 181:3284 182:3190 183:1927 184:2358 185:19699 186:4595 187:3940 188:3992 189:3486 190:8962 191:1444 192:10973 193:8654 194:7116 195:5034 196:3040 197:2448 198:5928 199:6012 200:7599 201:5805 202:10127 203:9987 204:4514 205:3470 206:3777 207:3376 208:4041 209:4690 210:4118 211:2339 212:4030 213:3465 214:1111 215:54 216:6404 217:2627 218:1265 219:400 220:1769 221:921 222:656 223:1969 End of report