IPv4 R&E Routing Table Report 23:05 GMT Mon 10 Apr, 2023 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: 910548 Prefixes after maximum aggregation (per Origin AS): 346207 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 447508 Number of IPv4 prefixes with a valid ROA: 384920 Number of IPv4 prefixes with an invalid ROA: 1602 Number of IPv4 prefixes with no ROA: 524026 Total ASes present in the Internet Routing Table: 74117 Prefixes per ASN: 12.29 Origin-only ASes present in the Internet Routing Table: 63648 Origin ASes announcing only one prefix: 26174 Transit ASes present in the Internet Routing Table: 10469 Transit-only ASes present in the Internet Routing Table: 434 Paths with bogon ASNs present in the IPv4 Routing Table: 28 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 66 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 1102 Number of instances of unregistered ASNs: 1102 Number of 32-bit ASNs allocated by the RIRs: 41638 Number of 32-bit ASNs visible in the Routing Table: 34378 Prefixes from 32-bit ASNs in the Routing Table: 169326 Number of bogon 32-bit ASNs visible in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 717 Number of addresses announced to Internet: 3060592896 Equivalent to 182 /8s, 108 /16s and 241 /24s Percentage of available address space announced: 82.7 Percentage of allocated address space announced: 82.7 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: 305985 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 236016 Total APNIC prefixes after maximum aggregation: 68322 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 230422 Unique aggregates announced from the APNIC address blocks: 97530 APNIC Region origin ASes present in the Internet Routing Table: 13291 APNIC Prefixes per ASN: 17.34 APNIC Region origin ASes announcing only one prefix: 3897 APNIC Region transit ASes present in the Internet Routing Table: 1785 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8645 Number of APNIC addresses announced to Internet: 773052416 Equivalent to 46 /8s, 19 /16s and 216 /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: 267694 Total ARIN prefixes after maximum aggregation: 121342 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 270126 Unique aggregates announced from the ARIN address blocks: 130662 ARIN Region origin ASes present in the Internet Routing Table: 19036 ARIN Prefixes per ASN: 14.19 ARIN Region origin ASes announcing only one prefix: 6986 ARIN Region transit ASes present in the Internet Routing Table: 1891 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4768 Number of ARIN addresses announced to Internet: 1284918016 Equivalent to 76 /8s, 150 /16s and 75 /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: 258854 Total RIPE prefixes after maximum aggregation: 121821 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 254706 Unique aggregates announced from the RIPE address blocks: 157329 RIPE Region origin ASes present in the Internet Routing Table: 28266 RIPE Prefixes per ASN: 9.01 RIPE Region origin ASes announcing only one prefix: 12027 RIPE Region transit ASes present in the Internet Routing Table: 3985 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11105 Number of RIPE addresses announced to Internet: 717746944 Equivalent to 42 /8s, 199 /16s and 243 /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: 117400 Total LACNIC prefixes after maximum aggregation: 28155 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 116719 Unique aggregates announced from the LACNIC address blocks: 49078 LACNIC Region origin ASes present in the Internet Routing Table: 10972 LACNIC Prefixes per ASN: 10.64 LACNIC Region origin ASes announcing only one prefix: 2659 LACNIC Region transit ASes present in the Internet Routing Table: 2280 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 52 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8777 Number of LACNIC addresses announced to Internet: 176645120 Equivalent to 10 /8s, 135 /16s and 100 /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: 29482 Total AfriNIC prefixes after maximum aggregation: 5791 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 37858 Unique aggregates announced from the AfriNIC address blocks: 12294 AfriNIC Region origin ASes present in the Internet Routing Table: 1733 AfriNIC Prefixes per ASN: 21.85 AfriNIC Region origin ASes announcing only one prefix: 605 AfriNIC Region transit ASes present in the Internet Routing Table: 333 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 66 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1083 Number of AfriNIC addresses announced to Internet: 107768320 Equivalent to 6 /8s, 108 /16s and 106 /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 9433 8704 36 CHINAMOBILE-CN China Mobile Communicati 7545 5742 786 687 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3682 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3559 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3387 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2925 491 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2367 836 445 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2305 11250 586 KIXS-AS-KR Korea Telecom, KR 4755 2171 439 213 TATACOMM-AS TATA Communications formerl 45090 2148 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 8265 10782 2887 AMAZON-02, US 11492 4536 300 620 CABLEONE, US 7155 3967 279 48 VIASAT-SP-BACKBONE, US 22773 3600 3057 279 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3514 1320 64 SHAW, CA 16625 3146 1579 2330 AKAMAI-AS, US 749 3053 50540 2320 DNIC-AS-00749, US 396982 2630 3590 362 GOOGLE-CLOUD-PLATFORM, US 7018 2570 24118 1567 ATT-INTERNET4, US 30036 2488 359 526 MEDIACOM-ENTERPRISE-BUSINESS, 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 7250 1705 149 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4056 3399 163 AKAMAI-ASN1, NL 8551 3885 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2896 2292 911 ROSTELECOM-AS, RU 9009 2651 249 1378 M247, RO 34984 2271 359 611 TELLCOM-AS, TR 6849 2076 307 18 UKRTELNET, UA 58224 1850 950 543 TCI, IR 13188 1573 98 77 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 11223 3343 583 Uninet S.A. de C.V., MX 10620 3500 507 851 Telmex Colombia S.A., CO 13999 2312 371 610 Mega Cable, S.A. de C.V., MX 11830 2265 369 64 Instituto Costarricense de Electricidad 28573 1331 2325 235 Claro NXT Telecomunicacoes Ltda, BR 3816 1303 767 159 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1299 339 514 Axtel, S.A.B. de C.V., MX 6147 1130 370 22 Telefonica del Peru S.A.A., PE 11664 1100 180 448 Techtel LMDS Comunicaciones Interactiva 26615 1028 2498 45 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 1561 393 19 LINKdotNET-AS, EG 24835 1541 533 30 RAYA-AS, EG 36992 1338 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1016 67 48 ORANGE-COTE-IVOIRE, CI 36935 872 520 42 Vodafone-, EG 6713 549 1861 34 IAM-AS, MA 15399 532 54 47 WANANCHI-, KE 37342 493 32 1 MOVITEL, MZ 24757 488 73 5 EthioNet-AS, ET 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 11223 3343 583 Uninet S.A. de C.V., MX 9808 9433 8704 36 CHINAMOBILE-CN China Mobile Communicati 16509 8265 10782 2887 AMAZON-02, US 12479 7250 1705 149 UNI2-AS, ES 7545 5742 786 687 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4536 300 620 CABLEONE, US 20940 4056 3399 163 AKAMAI-ASN1, NL 7155 3967 279 48 VIASAT-SP-BACKBONE, US 8551 3885 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 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 9433 9397 CHINAMOBILE-CN China Mobile Communications Grou 12479 7250 7101 UNI2-AS, ES 16509 8265 5378 AMAZON-02, US 7545 5742 5055 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 7155 3967 3919 VIASAT-SP-BACKBONE, US 11492 4536 3916 CABLEONE, US 20940 4056 3893 AKAMAI-ASN1, NL 8551 3885 3848 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3682 3661 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 3507 UNALLOCATED 5.105.166.0/24 213035 AS-SERVERION Serverion B.V., 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 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 396894 UNALLOCATED 8.28.201.0/24 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 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.131.185.0/24 Origin: 174 COGENT-174, US 23.131.185.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.188.0/24 Origin: 174 COGENT-174, US 23.131.188.0/24 Transit: 2914 NTT-LTD-2914, US 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 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 /11:103 /12:299 /13:575 /14:1196 /15:2067 /16:13410 /17:8165 /18:13697 /19:24813 /20:43058 /21:50884 /22:108788 /23:97153 /24:546264 /25:0 /26:1 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6309 7250 UNI2-AS, ES 8151 5178 11223 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3446 4536 CABLEONE, US 8551 3357 3885 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3323 3514 SHAW, CA 7155 3039 3967 VIASAT-SP-BACKBONE, US 22773 2672 3600 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2145 2488 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2054 3500 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1671 2:1227 3:173 4:5 5:4488 6:122 7:6 8:1511 9:1 11:172 12:1561 13:392 14:2305 15:299 16:185 17:370 18:417 20:248 21:4 22:188 23:6172 24:2565 25:6 27:2488 29:19 31:2527 32:94 34:10 35:104 36:1937 37:4641 38:4454 39:805 40:151 41:3978 42:975 43:2312 44:306 45:16475 46:4217 47:356 49:1735 50:1823 51:571 52:1595 54:388 55:852 56:8 57:90 58:1685 59:1070 60:977 61:2465 62:2638 63:1923 64:5683 65:2323 66:4917 67:3018 68:1374 69:4163 70:1249 71:671 72:2971 74:2606 75:1464 76:606 77:2424 78:1847 79:3162 80:2100 81:1736 82:1477 83:1275 84:1509 85:2990 86:755 87:1987 88:1230 89:3615 90:614 91:7671 92:2060 93:2608 94:3593 95:3994 96:1327 97:336 98:1157 99:746 100:73 101:1300 102:2695 103:31201 104:4623 105:483 106:895 107:2509 108:1017 109:4401 110:2080 111:3186 112:2053 113:1496 114:1638 115:2010 116:1906 117:2560 118:2282 119:2012 120:1767 121:1047 122:2604 123:2114 124:1572 125:2478 128:1252 129:1043 130:991 131:1977 132:837 133:422 134:1898 135:305 136:871 137:944 138:2554 139:1551 140:1232 141:1455 142:1422 143:1489 144:1161 145:347 146:1923 147:1569 148:2315 149:1991 150:870 151:1154 152:1954 153:489 154:4395 155:1427 156:1787 157:1305 158:1050 159:2266 160:2526 161:1531 162:3525 163:1492 164:1591 165:1730 166:1006 167:1737 168:3849 169:939 170:4616 171:870 172:3536 173:2922 174:1068 175:1156 176:3664 177:4565 178:3625 179:2131 180:2439 181:3423 182:3333 183:1910 184:2352 185:20174 186:4710 187:3934 188:4086 189:3527 190:9120 191:1443 192:10891 193:8845 194:7291 195:5138 196:3169 197:2383 198:5888 199:6081 200:7878 201:5875 202:10323 203:10200 204:4613 205:3540 206:4071 207:3399 208:4078 209:4864 210:4169 211:2400 212:4105 213:3556 214:1083 215:59 216:6620 217:2685 218:1265 219:406 220:1765 221:970 222:710 223:2151 End of report