IPv4 R&E Routing Table Report 23:05 GMT Sat 25 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: 885525 Prefixes after maximum aggregation (per Origin AS): 336949 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 434324 Number of IPv4 prefixes with a valid ROA: 331739 Number of IPv4 prefixes with an invalid ROA: 1213 Number of IPv4 prefixes with no ROA: 552573 Total ASes present in the Internet Routing Table: 73091 Prefixes per ASN: 12.12 Origin-only ASes present in the Internet Routing Table: 62738 Origin ASes announcing only one prefix: 25832 Transit ASes present in the Internet Routing Table: 10353 Transit-only ASes present in the Internet Routing Table: 388 Paths with bogon ASNs present in the IPv4 Routing Table: 33 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: 39671 Number of 32-bit ASNs visible in the Routing Table: 32820 Prefixes from 32-bit ASNs in the Routing Table: 155572 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: 488 Number of addresses announced to Internet: 3067601408 Equivalent to 182 /8s, 215 /16s and 226 /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: 297607 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229056 Total APNIC prefixes after maximum aggregation: 66352 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 224272 Unique aggregates announced from the APNIC address blocks: 95455 APNIC Region origin ASes present in the Internet Routing Table: 12640 APNIC Prefixes per ASN: 17.74 APNIC Region origin ASes announcing only one prefix: 3625 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: 33 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7922 Number of APNIC addresses announced to Internet: 772933632 Equivalent to 46 /8s, 18 /16s and 8 /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: 262153 Total ARIN prefixes after maximum aggregation: 120016 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262404 Unique aggregates announced from the ARIN address blocks: 126801 ARIN Region origin ASes present in the Internet Routing Table: 18959 ARIN Prefixes per ASN: 13.84 ARIN Region origin ASes announcing only one prefix: 6917 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: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4515 Number of ARIN addresses announced to Internet: 1296859904 Equivalent to 77 /8s, 76 /16s and 131 /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: 250471 Total RIPE prefixes after maximum aggregation: 116987 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 247746 Unique aggregates announced from the RIPE address blocks: 151394 RIPE Region origin ASes present in the Internet Routing Table: 28128 RIPE Prefixes per ASN: 8.81 RIPE Region origin ASes announcing only one prefix: 12036 RIPE Region transit ASes present in the Internet Routing Table: 4015 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10718 Number of RIPE addresses announced to Internet: 713632000 Equivalent to 42 /8s, 137 /16s and 41 /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: 115049 Total LACNIC prefixes after maximum aggregation: 27407 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 114839 Unique aggregates announced from the LACNIC address blocks: 48747 LACNIC Region origin ASes present in the Internet Routing Table: 10964 LACNIC Prefixes per ASN: 10.47 LACNIC Region origin ASes announcing only one prefix: 2679 LACNIC Region transit ASes present in the Internet Routing Table: 2238 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: 8684 Number of LACNIC addresses announced to Internet: 176340736 Equivalent to 10 /8s, 130 /16s and 191 /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: 27912 Total AfriNIC prefixes after maximum aggregation: 5513 AfriNIC Deaggregation factor: 5.06 Prefixes being announced from the AfriNIC address blocks: 35776 Unique aggregates announced from the AfriNIC address blocks: 11513 AfriNIC Region origin ASes present in the Internet Routing Table: 1653 AfriNIC Prefixes per ASN: 21.64 AfriNIC Region origin ASes announcing only one prefix: 575 AfriNIC Region transit ASes present in the Internet Routing Table: 324 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 67 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 981 Number of AfriNIC addresses announced to Internet: 107555328 Equivalent to 6 /8s, 105 /16s and 42 /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 9264 8882 46 CHINAMOBILE-CN China Mobile Communicati 7545 5921 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 3424 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 2093 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 6678 10377 2668 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 3477 1787 2508 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 4952 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 3967 3360 194 AKAMAI-ASN1, NL 12389 2887 2289 908 ROSTELECOM-AS, RU 6849 2718 355 21 UKRTELNET, UA 9009 2519 249 1306 M247, GB 34984 2244 357 633 TELLCOM-AS, TR 13188 1610 100 27 TRIOLAN, UA 58224 1579 861 685 TCI, IR 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 3404 555 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 1887 309 493 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 611 1863 34 IAM-AS, MA 15399 519 52 37 WANANCHI-, KE 37342 464 32 1 MOVITEL, MZ 2018 375 319 73 TENET-1, ZA 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 3404 555 Uninet S.A. de C.V., MX 9808 9264 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6868 1730 145 UNI2-AS, ES 16509 6678 10377 2668 AMAZON-02, US 7545 5921 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 3967 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 9264 9218 CHINAMOBILE-CN China Mobile Communications Grou 12479 6868 6723 UNI2-AS, ES 7545 5921 5228 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6678 4010 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 3967 3773 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 23.163.129.0/24 Origin: 54721 AS-NGEN, US 23.163.129.0/24 Transit: 20473 AS-CHOOPA, 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 31.41.32.0/24 Origin: 49392 ASBAXETN, RU 31.41.32.0/24 Transit: 39238 OKBPROGRESS Moscow, Russia, RU 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 /15:2091 /16:13470 /17:8260 /18:13726 /19:24730 /20:43046 /21:50778 /22:107182 /23:94960 /24:525019 /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 4484 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 2:1039 3:157 4:5 5:3790 6:108 7:6 8:1525 9:1 11:172 12:1646 13:335 14:2331 15:221 16:44 17:384 18:175 20:213 21:4 22:188 23:5706 24:2358 25:6 27:2612 29:19 31:2451 32:92 34:7 35:87 36:1834 37:4420 38:3145 39:712 40:153 41:3900 42:1122 43:2195 44:287 45:15849 46:4114 47:295 49:1678 50:2168 51:237 52:1455 54:384 55:846 56:8 57:59 58:1704 59:1111 60:963 61:2258 62:2494 63:1932 64:5530 65:2330 66:4829 67:2965 68:1188 69:4160 70:1325 71:680 72:3044 74:2633 75:1393 76:574 77:2207 78:1835 79:3130 80:1986 81:1607 82:1494 83:1208 84:1313 85:2928 86:712 87:1916 88:1149 89:3311 90:541 91:7600 92:2005 93:2539 94:3438 95:3838 96:1309 97:350 98:1004 99:752 100:76 101:1274 102:2128 103:29223 104:4474 105:467 106:877 107:2539 108:833 109:4268 110:1973 111:3273 112:2038 113:1464 114:1471 115:1969 116:1885 117:2549 118:2300 119:1847 120:1668 121:1021 122:2499 123:2092 124:1541 125:2042 128:1176 129:1057 130:973 131:2032 132:811 133:377 134:1928 135:279 136:885 137:864 138:2425 139:1522 140:893 141:1438 142:1293 143:1425 144:1204 145:348 146:1805 147:1506 148:2208 149:1747 150:859 151:1073 152:1846 153:461 154:3554 155:1443 156:1691 157:1242 158:1048 159:2215 160:2543 161:1273 162:3455 163:1275 164:1632 165:1624 166:725 167:1743 168:3790 169:871 170:4473 171:834 172:3219 173:3124 174:1018 175:1153 176:3563 177:4597 178:3528 179:2113 180:2327 181:3007 182:3205 183:1954 184:2346 185:19545 186:4324 187:3794 188:3931 189:3371 190:8929 191:1387 192:10998 193:8620 194:7043 195:4935 196:2965 197:2359 198:5937 199:6015 200:7461 201:5860 202:10076 203:9973 204:4524 205:3459 206:3654 207:3345 208:4003 209:4651 210:4141 211:2321 212:3998 213:3402 214:1141 215:65 216:6464 217:2641 218:1270 219:408 220:1676 221:973 222:653 223:2153 End of report