IPv4 R&E Routing Table Report 23:05 GMT Tue 05 Jul, 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: 886051 Prefixes after maximum aggregation (per Origin AS): 337748 Deaggregation factor: 2.62 Unique aggregates announced (without unneeded subnets): 434215 Number of IPv4 prefixes with a valid ROA: 333746 Number of IPv4 prefixes with an invalid ROA: 1306 Number of IPv4 prefixes with no ROA: 550999 Total ASes present in the Internet Routing Table: 73170 Prefixes per ASN: 12.11 Origin-only ASes present in the Internet Routing Table: 62793 Origin ASes announcing only one prefix: 25861 Transit ASes present in the Internet Routing Table: 10377 Transit-only ASes present in the Internet Routing Table: 393 Paths with bogon ASNs present in the IPv4 Routing Table: 39 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 60 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 902 Number of instances of unregistered ASNs: 905 Number of 32-bit ASNs allocated by the RIRs: 39738 Number of 32-bit ASNs visible in the Routing Table: 32880 Prefixes from 32-bit ASNs in the Routing Table: 156165 Number of bogon 32-bit ASNs visible in the Routing Table: 12 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 489 Number of addresses announced to Internet: 3067038976 Equivalent to 182 /8s, 207 /16s and 77 /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: 297822 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 228903 Total APNIC prefixes after maximum aggregation: 66312 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 224129 Unique aggregates announced from the APNIC address blocks: 95349 APNIC Region origin ASes present in the Internet Routing Table: 12680 APNIC Prefixes per ASN: 17.68 APNIC Region origin ASes announcing only one prefix: 3651 APNIC Region transit ASes present in the Internet Routing Table: 1734 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7957 Number of APNIC addresses announced to Internet: 772307456 Equivalent to 46 /8s, 8 /16s and 122 /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: 261822 Total ARIN prefixes after maximum aggregation: 120750 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 261976 Unique aggregates announced from the ARIN address blocks: 126433 ARIN Region origin ASes present in the Internet Routing Table: 18975 ARIN Prefixes per ASN: 13.81 ARIN Region origin ASes announcing only one prefix: 6928 ARIN Region transit ASes present in the Internet Routing Table: 1875 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 38 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4522 Number of ARIN addresses announced to Internet: 1296097536 Equivalent to 77 /8s, 64 /16s and 225 /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: 251159 Total RIPE prefixes after maximum aggregation: 117041 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 248430 Unique aggregates announced from the RIPE address blocks: 151813 RIPE Region origin ASes present in the Internet Routing Table: 28143 RIPE Prefixes per ASN: 8.83 RIPE Region origin ASes announcing only one prefix: 12035 RIPE Region transit ASes present in the Internet Routing Table: 4021 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: 10732 Number of RIPE addresses announced to Internet: 714169088 Equivalent to 42 /8s, 145 /16s and 91 /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: 115303 Total LACNIC prefixes after maximum aggregation: 27444 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115102 Unique aggregates announced from the LACNIC address blocks: 48757 LACNIC Region origin ASes present in the Internet Routing Table: 10967 LACNIC Prefixes per ASN: 10.50 LACNIC Region origin ASes announcing only one prefix: 2671 LACNIC Region transit ASes present in the Internet Routing Table: 2247 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: 8690 Number of LACNIC addresses announced to Internet: 176417024 Equivalent to 10 /8s, 131 /16s and 233 /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: 27962 Total AfriNIC prefixes after maximum aggregation: 5521 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 35925 Unique aggregates announced from the AfriNIC address blocks: 11446 AfriNIC Region origin ASes present in the Internet Routing Table: 1653 AfriNIC Prefixes per ASN: 21.73 AfriNIC Region origin ASes announcing only one prefix: 576 AfriNIC Region transit ASes present in the Internet Routing Table: 326 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 60 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 979 Number of AfriNIC addresses announced to Internet: 107767808 Equivalent to 6 /8s, 108 /16s and 104 /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 8981 8882 46 CHINAMOBILE-CN China Mobile Communicati 7545 5922 789 695 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3562 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3500 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3424 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2423 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2254 11123 595 KIXS-AS-KR Korea Telecom, KR 45090 2137 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2123 425 216 TATACOMM-AS TATA Communications formerl 24560 2101 847 408 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 6704 10379 2684 AMAZON-02, US 11492 4508 299 676 CABLEONE, US 7155 3902 265 32 VIASAT-SP-BACKBONE, US 22773 3881 3145 353 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3465 1783 2504 AKAMAI-AS, US 6327 3437 1319 63 SHAW, CA 749 2992 50740 2250 DNIC-AS-00749, US 396982 2510 3343 359 GOOGLE-CLOUD-PLATFORM, US 209 2425 4936 412 CENTURYLINK-US-LEGACY-QWEST, US 30036 2279 306 721 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 6864 1730 144 UNI2-AS, ES 8551 4010 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3987 3360 195 AKAMAI-ASN1, NL 12389 2890 2289 909 ROSTELECOM-AS, RU 6849 2718 355 21 UKRTELNET, UA 9009 2574 254 1333 M247, GB 34984 2251 358 638 TELLCOM-AS, TR 58224 1798 935 580 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 10771 3404 551 Uninet S.A. de C.V., MX 10620 3472 514 773 Telmex Colombia S.A., CO 11830 2434 369 64 Instituto Costarricense de Electricidad 13999 1898 311 499 Mega Cable, S.A. de C.V., MX 28573 1367 2328 278 Claro NXT Telecomunicacoes Ltda, BR 6503 1307 344 526 Axtel, S.A.B. de C.V., MX 3816 1260 683 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1077 369 21 Telefonica del Peru S.A.A., PE 11664 1005 181 454 Techtel LMDS Comunicaciones Interactiva 26615 979 2466 43 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 1610 393 21 LINKdotNET-AS, EG 24835 1546 521 31 RAYA-AS, EG 36992 1321 1519 267 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 958 65 57 ORANGE-COTE-IVOIRE, CI 36935 777 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 518 52 37 WANANCHI-, KE 37342 462 32 1 MOVITEL, MZ 23889 401 232 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 10771 3404 551 Uninet S.A. de C.V., MX 9808 8981 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6864 1730 144 UNI2-AS, ES 16509 6704 10379 2684 AMAZON-02, US 7545 5922 789 695 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4508 299 676 CABLEONE, US 8551 4010 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3987 3360 195 AKAMAI-ASN1, NL 7155 3902 265 32 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 8981 8935 CHINAMOBILE-CN China Mobile Communications Grou 12479 6864 6720 UNI2-AS, ES 7545 5922 5227 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6704 4020 AMAZON-02, US 8551 4010 3971 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 7155 3902 3870 VIASAT-SP-BACKBONE, US 11492 4508 3832 CABLEONE, US 20940 3987 3792 AKAMAI-ASN1, NL 7552 3562 3543 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 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 31.24.255.0/24 Origin: 49392 ASBAXETN, RU 31.24.255.0/24 Transit: 39238 OKBPROGRESS Moscow, Russia, RU 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 /12:303 /13:590 /14:1200 /15:2091 /16:13485 /17:8256 /18:13737 /19:24730 /20:43044 /21:50707 /22:107389 /23:94972 /24:525372 /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 5841 6864 UNI2-AS, ES 8151 4494 10771 Uninet S.A. de C.V., MX 8551 3473 4010 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3415 4508 CABLEONE, US 6327 3247 3437 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2991 3902 VIASAT-SP-BACKBONE, US 22773 2898 3881 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2576 2718 UKRTELNET, UA 10620 1987 3472 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) ---------------------------------------------- 1:1906 2:1037 3:157 4:5 5:3809 6:109 7:6 8:1525 9:1 11:172 12:1644 13:334 14:2333 15:232 16:44 17:383 18:175 19:1 20:238 21:4 22:188 23:5722 24:2365 25:6 27:2610 29:19 31:2444 32:92 34:7 35:87 36:1825 37:4431 38:3178 39:713 40:152 41:3894 42:1117 43:2189 44:289 45:15957 46:4115 47:301 49:1681 50:1903 51:237 52:1455 54:386 55:843 56:8 57:60 58:1702 59:1112 60:964 61:2268 62:2509 63:1930 64:5521 65:2330 66:4832 67:2958 68:1189 69:4163 70:1325 71:679 72:3039 74:2623 75:1399 76:574 77:2215 78:1865 79:3131 80:1997 81:1630 82:1495 83:1210 84:1317 85:2932 86:726 87:1910 88:1156 89:3312 90:539 91:7595 92:2007 93:2545 94:3470 95:3831 96:1309 97:351 98:1007 99:750 100:76 101:1276 102:2142 103:29264 104:4484 105:468 106:872 107:2544 108:843 109:4309 110:1971 111:3270 112:2034 113:1467 114:1472 115:1969 116:1886 117:2428 118:2301 119:1837 120:1661 121:1026 122:2513 123:2079 124:1538 125:2045 128:1183 129:1051 130:974 131:2026 132:810 133:377 134:1933 135:279 136:890 137:867 138:2426 139:1525 140:887 141:1437 142:1295 143:1422 144:1205 145:351 146:1806 147:1508 148:2207 149:1716 150:852 151:1066 152:1848 153:459 154:3558 155:1445 156:1683 157:1257 158:1040 159:2218 160:2491 161:1284 162:3471 163:1294 164:1629 165:1624 166:749 167:1745 168:3775 169:882 170:4486 171:831 172:3219 173:2989 174:1017 175:1150 176:3574 177:4598 178:3539 179:2153 180:2357 181:3092 182:3208 183:1938 184:2343 185:19595 186:4341 187:3798 188:3945 189:3389 190:8943 191:1440 192:10970 193:8641 194:7038 195:4955 196:3014 197:2408 198:5933 199:6032 200:7518 201:5862 202:10098 203:10010 204:4531 205:3477 206:3643 207:3341 208:4004 209:4654 210:4144 211:2316 212:4013 213:3429 214:1146 215:67 216:6467 217:2637 218:1262 219:408 220:1717 221:962 222:651 223:1953 End of report