IPv4 R&E Routing Table Report 23:05 GMT Mon 13 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: 884350 Prefixes after maximum aggregation (per Origin AS): 336551 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 434072 Number of IPv4 prefixes with a valid ROA: 328885 Number of IPv4 prefixes with an invalid ROA: 1293 Number of IPv4 prefixes with no ROA: 554172 Total ASes present in the Internet Routing Table: 73017 Prefixes per ASN: 12.11 Origin-only ASes present in the Internet Routing Table: 62706 Origin ASes announcing only one prefix: 25765 Transit ASes present in the Internet Routing Table: 10311 Transit-only ASes present in the Internet Routing Table: 372 Paths with bogon ASNs present in the IPv4 Routing Table: 38 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: 890 Number of instances of unregistered ASNs: 894 Number of 32-bit ASNs allocated by the RIRs: 39586 Number of 32-bit ASNs visible in the Routing Table: 32754 Prefixes from 32-bit ASNs in the Routing Table: 154879 Number of bogon 32-bit ASNs visible in the Routing Table: 17 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 487 Number of addresses announced to Internet: 3064015104 Equivalent to 182 /8s, 161 /16s and 41 /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: 297206 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228826 Total APNIC prefixes after maximum aggregation: 66153 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224178 Unique aggregates announced from the APNIC address blocks: 95260 APNIC Region origin ASes present in the Internet Routing Table: 12620 APNIC Prefixes per ASN: 17.76 APNIC Region origin ASes announcing only one prefix: 3608 APNIC Region transit ASes present in the Internet Routing Table: 1740 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: 7899 Number of APNIC addresses announced to Internet: 773053440 Equivalent to 46 /8s, 19 /16s and 220 /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: 262289 Total ARIN prefixes after maximum aggregation: 120140 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262222 Unique aggregates announced from the ARIN address blocks: 126631 ARIN Region origin ASes present in the Internet Routing Table: 18953 ARIN Prefixes per ASN: 13.84 ARIN Region origin ASes announcing only one prefix: 6900 ARIN Region transit ASes present in the Internet Routing Table: 1862 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: 4506 Number of ARIN addresses announced to Internet: 1293182208 Equivalent to 77 /8s, 20 /16s and 101 /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: 250202 Total RIPE prefixes after maximum aggregation: 116604 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 247596 Unique aggregates announced from the RIPE address blocks: 151448 RIPE Region origin ASes present in the Internet Routing Table: 28092 RIPE Prefixes per ASN: 8.81 RIPE Region origin ASes announcing only one prefix: 12017 RIPE Region transit ASes present in the Internet Routing Table: 3981 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: 10693 Number of RIPE addresses announced to Internet: 713485056 Equivalent to 42 /8s, 134 /16s and 235 /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: 114268 Total LACNIC prefixes after maximum aggregation: 27480 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 114046 Unique aggregates announced from the LACNIC address blocks: 48731 LACNIC Region origin ASes present in the Internet Routing Table: 10972 LACNIC Prefixes per ASN: 10.39 LACNIC Region origin ASes announcing only one prefix: 2673 LACNIC Region transit ASes present in the Internet Routing Table: 2230 Average LACNIC Region AS path length visible: 5.3 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8684 Number of LACNIC addresses announced to Internet: 176404480 Equivalent to 10 /8s, 131 /16s and 184 /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: 27875 Total AfriNIC prefixes after maximum aggregation: 5487 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 35821 Unique aggregates announced from the AfriNIC address blocks: 11590 AfriNIC Region origin ASes present in the Internet Routing Table: 1642 AfriNIC Prefixes per ASN: 21.82 AfriNIC Region origin ASes announcing only one prefix: 567 AfriNIC Region transit ASes present in the Internet Routing Table: 332 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: 972 Number of AfriNIC addresses announced to Internet: 107603200 Equivalent to 6 /8s, 105 /16s and 229 /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 9216 8879 35 CHINAMOBILE-CN China Mobile Communicati 7545 5921 789 692 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3578 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3491 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3428 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2412 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2250 11119 595 KIXS-AS-KR Korea Telecom, KR 45090 2135 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2129 425 216 TATACOMM-AS TATA Communications formerl 24560 2071 851 386 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 6626 10370 2706 AMAZON-02, US 11492 4528 300 650 CABLEONE, US 7155 3901 264 31 VIASAT-SP-BACKBONE, US 22773 3891 3070 356 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3457 1801 2513 AKAMAI-AS, US 6327 3441 1319 64 SHAW, CA 749 2963 50742 2219 DNIC-AS-00749, US 30036 2618 373 200 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2464 2442 341 GOOGLE-CLOUD-PLATFORM, US 209 2434 4961 416 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 6850 1730 143 UNI2-AS, ES 39891 4005 234 45 ALJAWWALSTC-AS, SA 8551 4003 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3965 3360 194 AKAMAI-ASN1, NL 12389 2904 2273 906 ROSTELECOM-AS, RU 6849 2867 355 21 UKRTELNET, UA 9009 2501 248 1296 M247, GB 34984 2245 357 633 TELLCOM-AS, TR 58224 1831 936 617 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 9912 3400 557 Uninet S.A. de C.V., MX 10620 3488 519 736 Telmex Colombia S.A., CO 11830 2436 369 63 Instituto Costarricense de Electricidad 13999 1861 307 484 Mega Cable, S.A. de C.V., MX 6503 1445 355 527 Axtel, S.A.B. de C.V., MX 28573 1377 2332 273 CLARO S.A., BR 3816 1257 671 149 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1079 369 21 Telefonica del Peru S.A.A., PE 11664 1030 192 439 Techtel LMDS Comunicaciones Interactiva 18881 965 1118 29 TELEFONICA BRASIL S.A, 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 1601 393 19 LINKdotNET-AS, EG 24835 1541 521 31 RAYA-AS, EG 36992 1316 1519 264 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 961 65 58 ORANGE-COTE-IVOIRE, CI 36935 777 520 42 Vodafone-, EG 6713 610 1863 34 IAM-AS, MA 15399 515 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 9912 3400 557 Uninet S.A. de C.V., MX 9808 9216 8879 35 CHINAMOBILE-CN China Mobile Communicati 12479 6850 1730 143 UNI2-AS, ES 16509 6626 10370 2706 AMAZON-02, US 7545 5921 789 692 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4528 300 650 CABLEONE, US 39891 4005 234 45 ALJAWWALSTC-AS, SA 8551 4003 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 3965 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 9216 9181 CHINAMOBILE-CN China Mobile Communications Grou 12479 6850 6707 UNI2-AS, ES 7545 5921 5229 TPG-INTERNET-AP TPG Telecom Limited, AU 8551 4003 3964 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 16509 6626 3920 AMAZON-02, US 11492 4528 3878 CABLEONE, US 7155 3901 3870 VIASAT-SP-BACKBONE, US 20940 3965 3771 AKAMAI-ASN1, NL 7552 3578 3559 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 /11:99 /12:300 /13:588 /14:1199 /15:2088 /16:13456 /17:8234 /18:13723 /19:24749 /20:43069 /21:50390 /22:107180 /23:94898 /24:524302 /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 5826 6850 UNI2-AS, ES 8151 4109 9912 Uninet S.A. de C.V., MX 8551 3469 4003 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3431 4528 CABLEONE, US 6327 3250 3441 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2991 3901 VIASAT-SP-BACKBONE, US 22773 2906 3891 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2724 2867 UKRTELNET, UA 30036 2275 2618 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1920 2:1021 3:157 4:6 5:3794 6:108 7:5 8:1552 9:1 11:172 12:1681 13:333 14:2359 15:209 16:42 17:385 18:169 20:213 21:4 22:188 23:5658 24:2346 25:6 27:2614 29:19 31:2445 32:92 34:3 35:87 36:1798 37:4459 38:3042 39:711 40:152 41:3897 42:1118 43:2195 44:289 45:15790 46:4141 47:295 49:1668 50:2170 51:236 52:1443 54:382 55:843 56:8 57:59 58:1694 59:1106 60:962 61:2260 62:2484 63:1935 64:5523 65:2336 66:4827 67:2972 68:1187 69:4166 70:1326 71:681 72:3051 74:2642 75:1392 76:578 77:2195 78:1822 79:3126 80:1996 81:1608 82:1491 83:1206 84:1315 85:2913 86:711 87:1946 88:1113 89:3334 90:537 91:7584 92:2016 93:2548 94:3457 95:3847 96:1310 97:351 98:1000 99:754 100:77 101:1272 102:2136 103:29131 104:4465 105:467 106:873 107:2528 108:837 109:4259 110:1978 111:3258 112:2035 113:1471 114:1471 115:1967 116:1887 117:2511 118:2330 119:1859 120:1668 121:1020 122:2512 123:2082 124:1539 125:2057 128:1184 129:1063 130:972 131:2014 132:804 133:378 134:1922 135:277 136:873 137:856 138:2429 139:1522 140:880 141:1418 142:1280 143:1452 144:1209 145:349 146:1814 147:1502 148:2206 149:1743 150:855 151:1074 152:1843 153:460 154:3555 155:1438 156:1718 157:1240 158:1047 159:2210 160:2534 161:1275 162:3463 163:1274 164:1623 165:1618 166:717 167:1743 168:3780 169:854 170:4475 171:829 172:3211 173:3115 174:1017 175:1147 176:3580 177:4583 178:3548 179:2090 180:2323 181:2994 182:3200 183:1951 184:2366 185:19534 186:4267 187:3747 188:3918 189:3240 190:8904 191:1327 192:10989 193:8611 194:7026 195:4932 196:3025 197:2384 198:5944 199:6018 200:7501 201:5670 202:10105 203:9978 204:4535 205:3440 206:3665 207:3325 208:4009 209:4669 210:4149 211:2323 212:4011 213:3396 214:1145 215:66 216:6474 217:2673 218:1273 219:407 220:1674 221:1007 222:652 223:2115 End of report