IPv4 R&E Routing Table Report 23:05 GMT Mon 30 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: 883680 Prefixes after maximum aggregation (per Origin AS): 336186 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 432956 Number of IPv4 prefixes with a valid ROA: 327463 Number of IPv4 prefixes with an invalid ROA: 1183 Number of IPv4 prefixes with no ROA: 555034 Total ASes present in the Internet Routing Table: 72986 Prefixes per ASN: 12.11 Origin-only ASes present in the Internet Routing Table: 62669 Origin ASes announcing only one prefix: 25719 Transit ASes present in the Internet Routing Table: 10317 Transit-only ASes present in the Internet Routing Table: 385 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 67 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 899 Number of instances of unregistered ASNs: 903 Number of 32-bit ASNs allocated by the RIRs: 39501 Number of 32-bit ASNs visible in the Routing Table: 32679 Prefixes from 32-bit ASNs in the Routing Table: 153928 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: 505 Number of addresses announced to Internet: 3064965632 Equivalent to 182 /8s, 175 /16s and 170 /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: 297291 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228935 Total APNIC prefixes after maximum aggregation: 66259 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224167 Unique aggregates announced from the APNIC address blocks: 94961 APNIC Region origin ASes present in the Internet Routing Table: 12589 APNIC Prefixes per ASN: 17.81 APNIC Region origin ASes announcing only one prefix: 3600 APNIC Region transit ASes present in the Internet Routing Table: 1739 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 32 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7861 Number of APNIC addresses announced to Internet: 773313536 Equivalent to 46 /8s, 23 /16s and 212 /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: 261164 Total ARIN prefixes after maximum aggregation: 120002 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 261022 Unique aggregates announced from the ARIN address blocks: 126175 ARIN Region origin ASes present in the Internet Routing Table: 18969 ARIN Prefixes per ASN: 13.76 ARIN Region origin ASes announcing only one prefix: 6915 ARIN Region transit ASes present in the Internet Routing Table: 1868 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: 4490 Number of ARIN addresses announced to Internet: 1293276416 Equivalent to 77 /8s, 21 /16s and 213 /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: 250057 Total RIPE prefixes after maximum aggregation: 116412 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 247521 Unique aggregates announced from the RIPE address blocks: 151059 RIPE Region origin ASes present in the Internet Routing Table: 28089 RIPE Prefixes per ASN: 8.81 RIPE Region origin ASes announcing only one prefix: 11993 RIPE Region transit ASes present in the Internet Routing Table: 4002 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10694 Number of RIPE addresses announced to Internet: 713945600 Equivalent to 42 /8s, 141 /16s and 242 /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: 114631 Total LACNIC prefixes after maximum aggregation: 27382 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 114453 Unique aggregates announced from the LACNIC address blocks: 48646 LACNIC Region origin ASes present in the Internet Routing Table: 10951 LACNIC Prefixes per ASN: 10.45 LACNIC Region origin ASes announcing only one prefix: 2645 LACNIC Region transit ASes present in the Internet Routing Table: 2212 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 55 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8669 Number of LACNIC addresses announced to Internet: 176459776 Equivalent to 10 /8s, 132 /16s and 144 /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: 27994 Total AfriNIC prefixes after maximum aggregation: 5466 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 36012 Unique aggregates announced from the AfriNIC address blocks: 11697 AfriNIC Region origin ASes present in the Internet Routing Table: 1637 AfriNIC Prefixes per ASN: 22.00 AfriNIC Region origin ASes announcing only one prefix: 566 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: 67 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 965 Number of AfriNIC addresses announced to Internet: 107682304 Equivalent to 6 /8s, 107 /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 9190 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5928 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3570 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3492 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3428 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2410 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2250 11119 595 KIXS-AS-KR Korea Telecom, KR 45090 2134 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2123 425 214 TATACOMM-AS TATA Communications formerl 24560 2053 853 384 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 6510 10364 2826 AMAZON-02, US 11492 4515 299 659 CABLEONE, US 22773 3915 3070 362 ASN-CXA-ALL-CCI-22773-RDC, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 16625 3531 1818 2526 AKAMAI-AS, US 6327 3441 1319 64 SHAW, CA 749 2867 50793 2125 DNIC-AS-00749, US 30036 2624 374 163 MEDIACOM-ENTERPRISE-BUSINESS, US 209 2444 4961 418 CENTURYLINK-US-LEGACY-QWEST, US 20115 2248 3050 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 6830 1730 150 UNI2-AS, ES 8551 3979 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3961 3360 193 AKAMAI-ASN1, NL 39891 3822 221 36 ALJAWWALSTC-AS, SA 12389 2896 2273 906 ROSTELECOM-AS, RU 6849 2874 355 21 UKRTELNET, UA 9009 2474 246 1279 M247, GB 34984 2240 357 631 TELLCOM-AS, TR 58224 1826 935 606 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 10664 3404 555 Uninet S.A. de C.V., MX 10620 3483 519 736 Telmex Colombia S.A., CO 11830 2438 369 63 Instituto Costarricense de Electricidad 13999 1835 303 473 Mega Cable, S.A. de C.V., MX 6503 1450 355 528 Axtel, S.A.B. de C.V., MX 28573 1366 2333 255 CLARO S.A., BR 3816 1256 671 148 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1077 369 21 Telefonica del Peru S.A.A., PE 11664 1025 192 445 Techtel LMDS Comunicaciones Interactiva 11172 958 133 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 1655 393 21 LINKdotNET-AS, EG 24835 1472 519 32 RAYA-AS, EG 36992 1314 1519 263 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 956 65 64 ORANGE-COTE-IVOIRE, CI 36935 775 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 513 51 34 WANANCHI-, KE 37342 464 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 10664 3404 555 Uninet S.A. de C.V., MX 9808 9190 8879 35 CHINAMOBILE-CN China Mobile Communicati 12479 6830 1730 150 UNI2-AS, ES 16509 6510 10364 2826 AMAZON-02, US 7545 5928 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4515 299 659 CABLEONE, US 8551 3979 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3961 3360 193 AKAMAI-ASN1, NL 22773 3915 3070 362 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 9190 9155 CHINAMOBILE-CN China Mobile Communications Grou 12479 6830 6680 UNI2-AS, ES 7545 5928 5234 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 3979 3940 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4515 3856 CABLEONE, US 39891 3822 3786 ALJAWWALSTC-AS, SA 20940 3961 3768 AKAMAI-ASN1, NL 16509 6510 3684 AMAZON-02, US 22773 3915 3553 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 17033 UNALLOCATED 8.48.225.0/24 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 /11:99 /12:301 /13:587 /14:1199 /15:2089 /16:13485 /17:8228 /18:13738 /19:24816 /20:42660 /21:50756 /22:107144 /23:94702 /24:523801 /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 5803 6830 UNI2-AS, ES 8151 4384 10664 Uninet S.A. de C.V., MX 8551 3445 3979 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3418 4515 CABLEONE, US 6327 3250 3441 SHAW, CA 39891 3134 3822 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2918 3915 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2730 2874 UKRTELNET, UA 30036 2281 2624 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1912 2:1017 3:156 4:6 5:3796 6:104 7:5 8:1527 9:1 11:172 12:1705 13:295 14:2373 15:202 16:42 17:383 18:164 20:212 21:4 22:188 23:5648 24:2311 25:6 27:2599 29:19 31:2434 32:92 34:4 35:82 36:1803 37:4454 38:2904 39:706 40:152 41:3953 42:1112 43:2175 44:290 45:16038 46:4123 47:298 49:1672 50:2167 51:108 52:1435 54:373 55:752 56:8 57:59 58:1690 59:1110 60:956 61:2256 62:2526 63:1936 64:5513 65:2335 66:4826 67:2974 68:1192 69:4160 70:1330 71:684 72:3054 74:2646 75:1392 76:586 77:2164 78:1848 79:3108 80:2000 81:1605 82:1495 83:1205 84:1348 85:2924 86:711 87:1969 88:1124 89:3312 90:534 91:7601 92:2010 93:2588 94:3494 95:3897 96:1308 97:349 98:999 99:737 100:77 101:1272 102:2094 103:29023 104:4420 105:458 106:876 107:2520 108:833 109:4259 110:2021 111:3265 112:2031 113:1473 114:1478 115:1977 116:1893 117:2507 118:2321 119:1855 120:1664 121:1021 122:2545 123:2092 124:1529 125:2059 128:1189 129:1083 130:969 131:2043 132:792 133:378 134:1897 135:290 136:882 137:856 138:2427 139:1505 140:856 141:1425 142:1284 143:1438 144:1202 145:347 146:1800 147:1466 148:2221 149:1725 150:846 151:1078 152:1845 153:460 154:3462 155:1422 156:1750 157:1242 158:1046 159:2210 160:2527 161:1276 162:3458 163:1267 164:1649 165:1618 166:718 167:1735 168:3759 169:839 170:4473 171:829 172:3188 173:3108 174:1024 175:1134 176:3583 177:4655 178:3546 179:2036 180:2322 181:2984 182:3206 183:1952 184:2370 185:19521 186:4254 187:3786 188:3875 189:3281 190:8871 191:1314 192:10994 193:8608 194:7010 195:4931 196:2987 197:2378 198:5943 199:6027 200:7481 201:5724 202:10100 203:9991 204:4537 205:3423 206:3682 207:3338 208:4004 209:4641 210:4092 211:2347 212:3997 213:3414 214:1150 215:67 216:6453 217:2670 218:1270 219:406 220:1675 221:978 222:670 223:2119 End of report