IPv4 R&E Routing Table Report 23:05 GMT Fri 24 Jun, 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: 886076 Prefixes after maximum aggregation (per Origin AS): 336808 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 434442 Number of IPv4 prefixes with a valid ROA: 332162 Number of IPv4 prefixes with an invalid ROA: 1179 Number of IPv4 prefixes with no ROA: 552735 Total ASes present in the Internet Routing Table: 73097 Prefixes per ASN: 12.12 Origin-only ASes present in the Internet Routing Table: 62740 Origin ASes announcing only one prefix: 25832 Transit ASes present in the Internet Routing Table: 10357 Transit-only ASes present in the Internet Routing Table: 386 Paths with bogon ASNs present in the IPv4 Routing Table: 32 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: 884 Number of instances of unregistered ASNs: 887 Number of 32-bit ASNs allocated by the RIRs: 39656 Number of 32-bit ASNs visible in the Routing Table: 32832 Prefixes from 32-bit ASNs in the Routing Table: 155589 Number of bogon 32-bit ASNs visible in the Routing Table: 14 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 485 Number of addresses announced to Internet: 3068045568 Equivalent to 182 /8s, 222 /16s and 169 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 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: 297806 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229193 Total APNIC prefixes after maximum aggregation: 66322 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224388 Unique aggregates announced from the APNIC address blocks: 95463 APNIC Region origin ASes present in the Internet Routing Table: 12651 APNIC Prefixes per ASN: 17.74 APNIC Region origin ASes announcing only one prefix: 3631 APNIC Region transit ASes present in the Internet Routing Table: 1736 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: 7932 Number of APNIC addresses announced to Internet: 772955136 Equivalent to 46 /8s, 18 /16s and 92 /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: 262216 Total ARIN prefixes after maximum aggregation: 120042 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262463 Unique aggregates announced from the ARIN address blocks: 126766 ARIN Region origin ASes present in the Internet Routing Table: 18950 ARIN Prefixes per ASN: 13.85 ARIN Region origin ASes announcing only one prefix: 6911 ARIN Region transit ASes present in the Internet Routing Table: 1870 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4513 Number of ARIN addresses announced to Internet: 1297088768 Equivalent to 77 /8s, 80 /16s and 1 /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: 250669 Total RIPE prefixes after maximum aggregation: 116862 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 247980 Unique aggregates announced from the RIPE address blocks: 151534 RIPE Region origin ASes present in the Internet Routing Table: 28130 RIPE Prefixes per ASN: 8.82 RIPE Region origin ASes announcing only one prefix: 12036 RIPE Region transit ASes present in the Internet Routing Table: 4013 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: 10721 Number of RIPE addresses announced to Internet: 713783552 Equivalent to 42 /8s, 139 /16s and 121 /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: 115120 Total LACNIC prefixes after maximum aggregation: 27384 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 114907 Unique aggregates announced from the LACNIC address blocks: 48751 LACNIC Region origin ASes present in the Internet Routing Table: 10969 LACNIC Prefixes per ASN: 10.48 LACNIC Region origin ASes announcing only one prefix: 2680 LACNIC Region transit ASes present in the Internet Routing Table: 2236 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: 8688 Number of LACNIC addresses announced to Internet: 176364032 Equivalent to 10 /8s, 131 /16s and 26 /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: 5524 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 35853 Unique aggregates announced from the AfriNIC address blocks: 11517 AfriNIC Region origin ASes present in the Internet Routing Table: 1652 AfriNIC Prefixes per ASN: 21.70 AfriNIC Region origin ASes announcing only one prefix: 574 AfriNIC Region transit ASes present in the Internet Routing Table: 325 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: 978 Number of AfriNIC addresses announced to Internet: 107575040 Equivalent to 6 /8s, 105 /16s and 119 /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 9256 8882 47 CHINAMOBILE-CN China Mobile Communicati 7545 5920 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3581 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3492 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3423 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2422 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2253 11119 595 KIXS-AS-KR Korea Telecom, KR 45090 2137 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2124 425 216 TATACOMM-AS TATA Communications formerl 24560 2089 851 403 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 6668 10376 2667 AMAZON-02, US 11492 4507 299 675 CABLEONE, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 22773 3886 3067 353 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3478 1787 2509 AKAMAI-AS, US 6327 3437 1319 63 SHAW, CA 749 2993 50740 2251 DNIC-AS-00749, US 30036 2629 374 144 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2498 3342 355 GOOGLE-CLOUD-PLATFORM, US 209 2434 4960 415 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 6868 1730 145 UNI2-AS, ES 8551 4010 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3966 3360 194 AKAMAI-ASN1, NL 12389 2890 2289 908 ROSTELECOM-AS, RU 6849 2718 355 21 UKRTELNET, UA 9009 2519 249 1306 M247, GB 34984 2243 357 632 TELLCOM-AS, TR 58224 1805 935 592 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 10759 3403 552 Uninet S.A. de C.V., MX 10620 3483 517 753 Telmex Colombia S.A., CO 11830 2436 369 64 Instituto Costarricense de Electricidad 13999 1886 307 492 Mega Cable, S.A. de C.V., MX 28573 1365 2330 274 Claro NXT Telecomunicacoes Ltda, BR 6503 1357 351 536 Axtel, S.A.B. de C.V., MX 3816 1259 675 151 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1076 369 21 Telefonica del Peru S.A.A., PE 11664 1031 192 438 Techtel LMDS Comunicaciones Interactiva 26615 967 2454 47 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 1576 393 19 LINKdotNET-AS, EG 24835 1540 521 31 RAYA-AS, EG 36992 1316 1519 264 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 959 65 57 ORANGE-COTE-IVOIRE, CI 36935 777 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 519 52 37 WANANCHI-, KE 37342 464 32 1 MOVITEL, MZ 23889 422 232 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 10759 3403 552 Uninet S.A. de C.V., MX 9808 9256 8882 47 CHINAMOBILE-CN China Mobile Communicati 12479 6868 1730 145 UNI2-AS, ES 16509 6668 10376 2667 AMAZON-02, US 7545 5920 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4507 299 675 CABLEONE, US 8551 4010 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3966 3360 194 AKAMAI-ASN1, NL 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 9256 9209 CHINAMOBILE-CN China Mobile Communications Grou 12479 6868 6723 UNI2-AS, ES 7545 5920 5227 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6668 4001 AMAZON-02, US 8551 4010 3971 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 7155 3901 3870 VIASAT-SP-BACKBONE, US 11492 4507 3832 CABLEONE, US 20940 3966 3772 AKAMAI-ASN1, NL 7552 3581 3562 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 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 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US 394856 UNALLOCATED 8.40.216.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 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 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 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 /12:301 /13:589 /14:1198 /15:2090 /16:13477 /17:8265 /18:13743 /19:24735 /20:43057 /21:50837 /22:107316 /23:95090 /24:525203 /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 5847 6868 UNI2-AS, ES 8151 4481 10759 Uninet S.A. de C.V., MX 8551 3474 4010 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3414 4507 CABLEONE, US 6327 3247 3437 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2904 3886 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2576 2718 UKRTELNET, UA 30036 2286 2629 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1915 2:1041 3:157 4:5 5:3791 6:109 7:6 8:1524 9:1 11:172 12:1647 13:335 14:2331 15:218 16:44 17:384 18:175 20:213 21:4 22:188 23:5707 24:2360 25:6 27:2608 29:19 31:2450 32:92 34:7 35:87 36:1834 37:4422 38:3143 39:711 40:153 41:3908 42:1122 43:2196 44:288 45:15845 46:4118 47:295 49:1678 50:2170 51:237 52:1453 54:383 55:842 56:8 57:59 58:1704 59:1110 60:963 61:2259 62:2493 63:1932 64:5530 65:2329 66:4831 67:2968 68:1187 69:4163 70:1326 71:680 72:3038 74:2643 75:1393 76:574 77:2203 78:1838 79:3127 80:1988 81:1606 82:1493 83:1208 84:1313 85:2933 86:712 87:1918 88:1149 89:3309 90:541 91:7606 92:2006 93:2537 94:3437 95:3841 96:1308 97:350 98:1004 99:751 100:76 101:1274 102:2115 103:29218 104:4472 105:467 106:875 107:2539 108:835 109:4264 110:1974 111:3273 112:2038 113:1464 114:1473 115:1969 116:1887 117:2549 118:2296 119:1847 120:1668 121:1021 122:2508 123:2095 124:1552 125:2042 128:1180 129:1057 130:974 131:2030 132:808 133:377 134:1928 135:279 136:884 137:863 138:2435 139:1521 140:893 141:1438 142:1293 143:1424 144:1205 145:348 146:1803 147:1506 148:2210 149:1748 150:859 151:1072 152:1844 153:461 154:3551 155:1444 156:1691 157:1246 158:1047 159:2215 160:2543 161:1274 162:3455 163:1276 164:1630 165:1622 166:718 167:1743 168:3790 169:872 170:4474 171:834 172:3222 173:3124 174:1018 175:1153 176:3564 177:4617 178:3532 179:2111 180:2327 181:2996 182:3205 183:1954 184:2346 185:19552 186:4310 187:3789 188:3930 189:3367 190:8926 191:1381 192:10998 193:8626 194:7044 195:4939 196:2968 197:2400 198:5936 199:6017 200:7475 201:5864 202:10089 203:9961 204:4529 205:3491 206:3675 207:3345 208:4002 209:4650 210:4168 211:2321 212:4004 213:3404 214:1142 215:65 216:6454 217:2644 218:1269 219:408 220:1676 221:1004 222:653 223:2140 End of report