IPv4 R&E Routing Table Report 23:05 GMT Mon 09 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: 881061 Prefixes after maximum aggregation (per Origin AS): 335104 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 430541 Number of IPv4 prefixes with a valid ROA: 322143 Number of IPv4 prefixes with an invalid ROA: 1066 Number of IPv4 prefixes with no ROA: 557852 Total ASes present in the Internet Routing Table: 72937 Prefixes per ASN: 12.08 Origin-only ASes present in the Internet Routing Table: 62634 Origin ASes announcing only one prefix: 25746 Transit ASes present in the Internet Routing Table: 10303 Transit-only ASes present in the Internet Routing Table: 374 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: 850 Number of instances of unregistered ASNs: 855 Number of 32-bit ASNs allocated by the RIRs: 39337 Number of 32-bit ASNs visible in the Routing Table: 32591 Prefixes from 32-bit ASNs in the Routing Table: 153273 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: 484 Number of addresses announced to Internet: 3066549504 Equivalent to 182 /8s, 199 /16s and 213 /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: 296275 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228572 Total APNIC prefixes after maximum aggregation: 65991 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 223763 Unique aggregates announced from the APNIC address blocks: 94775 APNIC Region origin ASes present in the Internet Routing Table: 12528 APNIC Prefixes per ASN: 17.86 APNIC Region origin ASes announcing only one prefix: 3567 APNIC Region transit ASes present in the Internet Routing Table: 1715 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: 7795 Number of APNIC addresses announced to Internet: 773321472 Equivalent to 46 /8s, 23 /16s and 243 /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: 260139 Total ARIN prefixes after maximum aggregation: 119533 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 260094 Unique aggregates announced from the ARIN address blocks: 124791 ARIN Region origin ASes present in the Internet Routing Table: 18951 ARIN Prefixes per ASN: 13.72 ARIN Region origin ASes announcing only one prefix: 6911 ARIN Region transit ASes present in the Internet Routing Table: 1867 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: 4466 Number of ARIN addresses announced to Internet: 1295280896 Equivalent to 77 /8s, 52 /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: 249355 Total RIPE prefixes after maximum aggregation: 116107 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 246677 Unique aggregates announced from the RIPE address blocks: 150376 RIPE Region origin ASes present in the Internet Routing Table: 28127 RIPE Prefixes per ASN: 8.77 RIPE Region origin ASes announcing only one prefix: 12039 RIPE Region transit ASes present in the Internet Routing Table: 4003 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: 713915904 Equivalent to 42 /8s, 141 /16s and 126 /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: 114323 Total LACNIC prefixes after maximum aggregation: 27361 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 114156 Unique aggregates announced from the LACNIC address blocks: 48541 LACNIC Region origin ASes present in the Internet Routing Table: 10962 LACNIC Prefixes per ASN: 10.41 LACNIC Region origin ASes announcing only one prefix: 2665 LACNIC Region transit ASes present in the Internet Routing Table: 2211 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 66 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8659 Number of LACNIC addresses announced to Internet: 176403200 Equivalent to 10 /8s, 131 /16s and 179 /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: 27822 Total AfriNIC prefixes after maximum aggregation: 5455 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 35887 Unique aggregates announced from the AfriNIC address blocks: 11638 AfriNIC Region origin ASes present in the Internet Routing Table: 1631 AfriNIC Prefixes per ASN: 22.00 AfriNIC Region origin ASes announcing only one prefix: 564 AfriNIC Region transit ASes present in the Internet Routing Table: 330 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 37 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 962 Number of AfriNIC addresses announced to Internet: 107355392 Equivalent to 6 /8s, 102 /16s and 29 /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 9131 8883 41 CHINAMOBILE-CN China Mobile Communicati 7545 5921 789 695 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3592 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3498 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3430 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2402 499 238 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 438 201 TATACOMM-AS TATA Communications formerl 24560 2053 855 379 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 6370 10282 2731 AMAZON-02, US 11492 4494 298 692 CABLEONE, US 22773 3925 3064 352 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3607 1843 2546 AKAMAI-AS, US 6327 3437 1318 61 SHAW, CA 749 2882 50780 2138 DNIC-AS-00749, US 30036 2616 373 169 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2477 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 6731 1730 150 UNI2-AS, ES 8551 4010 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3932 3360 192 AKAMAI-ASN1, NL 39891 3819 220 34 ALJAWWALSTC-AS, SA 6849 2907 355 21 UKRTELNET, UA 12389 2897 2273 908 ROSTELECOM-AS, RU 9009 2480 247 1295 M247, GB 34984 2238 357 634 TELLCOM-AS, TR 58224 1815 931 614 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 10587 3394 562 Uninet S.A. de C.V., MX 10620 3475 519 738 Telmex Colombia S.A., CO 11830 2433 369 63 Instituto Costarricense de Electricidad 13999 1782 298 470 Mega Cable, S.A. de C.V., MX 6503 1454 355 527 Axtel, S.A.B. de C.V., MX 28573 1389 2333 253 CLARO S.A., BR 3816 1255 669 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1079 369 21 Telefonica del Peru S.A.A., PE 11664 1018 191 442 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 1308 1518 264 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 932 65 59 ORANGE-COTE-IVOIRE, CI 36935 619 520 42 Vodafone-, EG 6713 611 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 10587 3394 562 Uninet S.A. de C.V., MX 9808 9131 8883 41 CHINAMOBILE-CN China Mobile Communicati 12479 6731 1730 150 UNI2-AS, ES 16509 6370 10282 2731 AMAZON-02, US 7545 5921 789 695 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4494 298 692 CABLEONE, US 8551 4010 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3932 3360 192 AKAMAI-ASN1, NL 22773 3925 3064 352 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 9131 9090 CHINAMOBILE-CN China Mobile Communications Grou 12479 6731 6581 UNI2-AS, ES 7545 5921 5226 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 39891 3819 3785 ALJAWWALSTC-AS, SA 20940 3932 3740 AKAMAI-ASN1, NL 16509 6370 3639 AMAZON-02, US 22773 3925 3573 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 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 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 32306 UNALLOCATED 8.46.80.0/24 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 23.166.208.0/24 Origin: 398906 LUFTCLOUD-ASN-01, US 23.166.208.0/24 Transit: 132132 REPUBLICTELECOM-SG MyRepublic Ltd., SG 23.185.16.0/24 Origin: 399244 BLOOM-HOST, US 23.185.16.0/24 Transit: 13335 CLOUDFLARENET, US 23.185.17.0/24 Origin: 399244 BLOOM-HOST, US 23.185.17.0/24 Transit: 13335 CLOUDFLARENET, 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 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 /11:100 /12:303 /13:589 /14:1204 /15:2101 /16:13523 /17:8243 /18:13773 /19:24830 /20:42400 /21:50713 /22:106951 /23:94299 /24:521957 /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 5713 6731 UNI2-AS, ES 8151 4303 10587 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 3131 3819 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2935 3925 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2758 2907 UKRTELNET, UA 30036 2273 2616 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1923 2:1034 3:154 4:6 5:3781 6:104 7:5 8:1526 9:1 11:172 12:1711 13:299 14:2373 15:198 16:45 17:384 18:159 20:209 21:4 22:188 23:5640 24:2270 25:6 27:2601 29:19 31:2411 32:93 34:1 35:73 36:1780 37:4422 38:2799 39:699 40:153 41:3974 42:1090 43:2173 44:292 45:15966 46:4121 47:295 49:1684 50:2154 51:100 52:1421 54:365 55:719 56:8 57:60 58:1697 59:1117 60:959 61:2245 62:2503 63:1947 64:5486 65:2319 66:4819 67:2971 68:1190 69:4135 70:1334 71:672 72:3043 74:2635 75:1390 76:580 77:2185 78:1851 79:3111 80:1991 81:1592 82:1493 83:1199 84:1350 85:2910 86:710 87:1959 88:1104 89:3287 90:518 91:7618 92:1996 93:2580 94:3490 95:3840 96:1305 97:348 98:993 99:737 100:75 101:1269 102:2074 103:28921 104:4361 105:462 106:874 107:2521 108:817 109:4204 110:2013 111:3230 112:2025 113:1473 114:1479 115:1972 116:1880 117:2510 118:2330 119:1857 120:1661 121:1018 122:2545 123:2093 124:1538 125:2057 128:1177 129:1095 130:957 131:2041 132:755 133:372 134:1894 135:289 136:879 137:845 138:2428 139:1500 140:847 141:1398 142:1279 143:1448 144:1211 145:343 146:1801 147:1476 148:2211 149:1716 150:844 151:1082 152:1849 153:459 154:3473 155:1421 156:1748 157:1228 158:1041 159:2174 160:2488 161:1263 162:3453 163:1260 164:1630 165:1610 166:702 167:1725 168:3767 169:836 170:4501 171:827 172:3130 173:3098 174:1023 175:1132 176:3486 177:4627 178:3503 179:2007 180:2311 181:2961 182:3190 183:1950 184:2383 185:19449 186:4313 187:3702 188:3857 189:3208 190:8847 191:1313 192:10985 193:8597 194:6993 195:4954 196:2998 197:2437 198:5953 199:6025 200:7396 201:5707 202:10087 203:9983 204:4550 205:3422 206:3690 207:3345 208:4024 209:4639 210:4052 211:2342 212:4000 213:3422 214:1157 215:67 216:6421 217:2668 218:1247 219:405 220:1670 221:977 222:670 223:2108 End of report