IPv4 R&E Routing Table Report 23:05 GMT Tue 11 Oct, 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: 896081 Prefixes after maximum aggregation (per Origin AS): 340737 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 440127 Number of IPv4 prefixes with a valid ROA: 354156 Number of IPv4 prefixes with an invalid ROA: 1770 Number of IPv4 prefixes with no ROA: 540155 Total ASes present in the Internet Routing Table: 73547 Prefixes per ASN: 12.18 Origin-only ASes present in the Internet Routing Table: 63175 Origin ASes announcing only one prefix: 25992 Transit ASes present in the Internet Routing Table: 10372 Transit-only ASes present in the Internet Routing Table: 402 Paths with bogon ASNs present in the IPv4 Routing Table: 31 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: 1029 Number of instances of unregistered ASNs: 1032 Number of 32-bit ASNs allocated by the RIRs: 40366 Number of 32-bit ASNs visible in the Routing Table: 33430 Prefixes from 32-bit ASNs in the Routing Table: 161011 Number of bogon 32-bit ASNs visible in the Routing Table: 15 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 493 Number of addresses announced to Internet: 3064567296 Equivalent to 182 /8s, 169 /16s and 150 /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: 301193 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231851 Total APNIC prefixes after maximum aggregation: 67138 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 226698 Unique aggregates announced from the APNIC address blocks: 96513 APNIC Region origin ASes present in the Internet Routing Table: 12936 APNIC Prefixes per ASN: 17.52 APNIC Region origin ASes announcing only one prefix: 3728 APNIC Region transit ASes present in the Internet Routing Table: 1754 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8238 Number of APNIC addresses announced to Internet: 773314048 Equivalent to 46 /8s, 23 /16s and 214 /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: 265192 Total ARIN prefixes after maximum aggregation: 120891 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 266269 Unique aggregates announced from the ARIN address blocks: 128496 ARIN Region origin ASes present in the Internet Routing Table: 19016 ARIN Prefixes per ASN: 14.00 ARIN Region origin ASes announcing only one prefix: 6958 ARIN Region transit ASes present in the Internet Routing Table: 1875 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4616 Number of ARIN addresses announced to Internet: 1290758912 Equivalent to 76 /8s, 239 /16s and 107 /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: 253097 Total RIPE prefixes after maximum aggregation: 118524 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 250129 Unique aggregates announced from the RIPE address blocks: 153826 RIPE Region origin ASes present in the Internet Routing Table: 28143 RIPE Prefixes per ASN: 8.89 RIPE Region origin ASes announcing only one prefix: 12005 RIPE Region transit ASes present in the Internet Routing Table: 3998 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: 10819 Number of RIPE addresses announced to Internet: 716473088 Equivalent to 42 /8s, 180 /16s and 131 /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: 116332 Total LACNIC prefixes after maximum aggregation: 27838 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 115869 Unique aggregates announced from the LACNIC address blocks: 48843 LACNIC Region origin ASes present in the Internet Routing Table: 10977 LACNIC Prefixes per ASN: 10.56 LACNIC Region origin ASes announcing only one prefix: 2703 LACNIC Region transit ASes present in the Internet Routing Table: 2241 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: 8734 Number of LACNIC addresses announced to Internet: 175867136 Equivalent to 10 /8s, 123 /16s and 133 /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: 28580 Total AfriNIC prefixes after maximum aggregation: 5577 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 36623 Unique aggregates announced from the AfriNIC address blocks: 12037 AfriNIC Region origin ASes present in the Internet Routing Table: 1694 AfriNIC Prefixes per ASN: 21.62 AfriNIC Region origin ASes announcing only one prefix: 598 AfriNIC Region transit ASes present in the Internet Routing Table: 322 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: 1023 Number of AfriNIC addresses announced to Internet: 107870720 Equivalent to 6 /8s, 109 /16s and 250 /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 9061 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5929 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3588 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3519 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3385 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2461 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2287 11251 595 KIXS-AS-KR Korea Telecom, KR 24560 2233 851 413 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2144 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2133 425 217 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 7325 10559 2882 AMAZON-02, US 11492 4597 304 530 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3768 3066 348 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3553 1851 2545 AKAMAI-AS, US 6327 3498 1319 64 SHAW, CA 749 3028 50696 2295 DNIC-AS-00749, US 30036 2598 367 270 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2592 24156 1591 ATT-INTERNET4, US 396982 2552 3479 345 GOOGLE-CLOUD-PLATFORM, 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 6888 1730 144 UNI2-AS, ES 20940 4098 3399 173 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3991 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2290 912 ROSTELECOM-AS, RU 9009 2615 252 1342 M247, RO 6849 2534 339 20 UKRTELNET, UA 34984 2246 358 620 TELLCOM-AS, TR 58224 1792 935 548 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 10864 3338 595 Uninet S.A. de C.V., MX 10620 3474 510 839 Telmex Colombia S.A., CO 11830 2299 369 64 Instituto Costarricense de Electricidad 13999 2053 335 532 Mega Cable, S.A. de C.V., MX 28573 1350 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1292 338 521 Axtel, S.A.B. de C.V., MX 3816 1279 712 149 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1146 369 22 Telefonica del Peru S.A.A., PE 11664 1071 180 462 Techtel LMDS Comunicaciones Interactiva 26615 986 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 1570 393 21 LINKdotNET-AS, EG 24835 1486 521 31 RAYA-AS, EG 36992 1348 1519 270 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 1015 68 32 ORANGE-COTE-IVOIRE, CI 36935 814 520 42 Vodafone-, EG 6713 610 1863 34 IAM-AS, MA 15399 526 53 42 WANANCHI-, KE 37342 488 32 1 MOVITEL, MZ 23889 399 231 14 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 10864 3338 595 Uninet S.A. de C.V., MX 9808 9061 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7325 10559 2882 AMAZON-02, US 12479 6888 1730 144 UNI2-AS, ES 7545 5929 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4597 304 530 CABLEONE, US 20940 4098 3399 173 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3991 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 9061 9014 CHINAMOBILE-CN China Mobile Communications Grou 12479 6888 6744 UNI2-AS, ES 7545 5929 5234 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7325 4443 AMAZON-02, US 11492 4597 4067 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3991 3953 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4098 3925 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, US 7552 3588 3568 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 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, 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 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 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 41.57.124.0/24 Origin: 37442 UNASSIGNED 41.57.124.0/24 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 /11:100 /12:295 /13:586 /14:1194 /15:2077 /16:13474 /17:8303 /18:13809 /19:24768 /20:43058 /21:50796 /22:107967 /23:95940 /24:533640 /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 5897 6888 UNI2-AS, ES 8151 4751 10864 Uninet S.A. de C.V., MX 11492 3504 4597 CABLEONE, US 8551 3455 3991 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3307 3498 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2783 3768 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2391 2534 UKRTELNET, UA 30036 2256 2598 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1896 2:1029 3:166 4:5 5:3931 6:116 7:6 8:1553 9:1 11:173 12:1624 13:338 14:2365 15:267 16:69 17:362 18:334 20:239 21:4 22:188 23:5944 24:2456 25:6 27:2669 29:19 31:2446 32:91 34:7 35:90 36:1893 37:4485 38:3654 39:754 40:159 41:3918 42:1167 43:2265 44:294 45:16200 46:4184 47:377 49:1703 50:1931 51:242 52:1489 54:387 55:840 56:8 57:78 58:1722 59:1108 60:990 61:2369 62:2557 63:1918 64:5597 65:2312 66:4831 67:2953 68:1317 69:4159 70:1304 71:678 72:2987 74:2643 75:1474 76:591 77:2226 78:1817 79:3145 80:2042 81:1652 82:1513 83:1218 84:1399 85:2899 86:730 87:1912 88:1168 89:3427 90:543 91:7575 92:2046 93:2540 94:3530 95:3850 96:1344 97:343 98:1166 99:736 100:78 101:1295 102:2351 103:30160 104:4530 105:475 106:888 107:2535 108:893 109:4344 110:2000 111:3278 112:2045 113:1477 114:1510 115:1988 116:1891 117:2485 118:2325 119:1849 120:1707 121:1011 122:2541 123:2101 124:1513 125:2100 128:1179 129:967 130:963 131:2016 132:814 133:377 134:1899 135:290 136:878 137:887 138:2544 139:1515 140:1109 141:1483 142:1373 143:1402 144:1198 145:347 146:1830 147:1534 148:2233 149:1807 150:878 151:1116 152:1949 153:468 154:3841 155:1426 156:1684 157:1299 158:1042 159:2175 160:2558 161:1361 162:3509 163:1423 164:1667 165:1670 166:776 167:1722 168:3789 169:878 170:4552 171:850 172:3430 173:3100 174:1017 175:1151 176:3585 177:4766 178:3569 179:2123 180:2366 181:3253 182:3202 183:1940 184:2353 185:19772 186:4603 187:3954 188:4028 189:3461 190:8975 191:1447 192:10986 193:8724 194:7141 195:5043 196:3055 197:2443 198:5952 199:6020 200:7589 201:5807 202:10141 203:10010 204:4519 205:3482 206:3814 207:3376 208:4059 209:4736 210:4116 211:2325 212:3977 213:3543 214:1116 215:53 216:6474 217:2630 218:1271 219:404 220:1786 221:922 222:650 223:1980 End of report