IPv4 R&E Routing Table Report 23:05 GMT Sun 10 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: 886885 Prefixes after maximum aggregation (per Origin AS): 337461 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 435953 Number of IPv4 prefixes with a valid ROA: 334412 Number of IPv4 prefixes with an invalid ROA: 1346 Number of IPv4 prefixes with no ROA: 551127 Total ASes present in the Internet Routing Table: 73179 Prefixes per ASN: 12.12 Origin-only ASes present in the Internet Routing Table: 62801 Origin ASes announcing only one prefix: 25851 Transit ASes present in the Internet Routing Table: 10378 Transit-only ASes present in the Internet Routing Table: 402 Paths with bogon ASNs present in the IPv4 Routing Table: 34 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: 970 Number of instances of unregistered ASNs: 974 Number of 32-bit ASNs allocated by the RIRs: 39775 Number of 32-bit ASNs visible in the Routing Table: 32894 Prefixes from 32-bit ASNs in the Routing Table: 156117 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: 512 Number of addresses announced to Internet: 3067118592 Equivalent to 182 /8s, 208 /16s and 132 /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: 298361 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229109 Total APNIC prefixes after maximum aggregation: 66302 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224258 Unique aggregates announced from the APNIC address blocks: 95510 APNIC Region origin ASes present in the Internet Routing Table: 12673 APNIC Prefixes per ASN: 17.70 APNIC Region origin ASes announcing only one prefix: 3648 APNIC Region transit ASes present in the Internet Routing Table: 1733 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7953 Number of APNIC addresses announced to Internet: 772340480 Equivalent to 46 /8s, 8 /16s and 251 /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: 262366 Total ARIN prefixes after maximum aggregation: 120139 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262541 Unique aggregates announced from the ARIN address blocks: 126962 ARIN Region origin ASes present in the Internet Routing Table: 18967 ARIN Prefixes per ASN: 13.84 ARIN Region origin ASes announcing only one prefix: 6918 ARIN Region transit ASes present in the Internet Routing Table: 1882 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: 4534 Number of ARIN addresses announced to Internet: 1296134912 Equivalent to 77 /8s, 65 /16s and 115 /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: 251308 Total RIPE prefixes after maximum aggregation: 117369 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 248643 Unique aggregates announced from the RIPE address blocks: 152605 RIPE Region origin ASes present in the Internet Routing Table: 28150 RIPE Prefixes per ASN: 8.83 RIPE Region origin ASes announcing only one prefix: 12043 RIPE Region transit ASes present in the Internet Routing Table: 4016 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: 10742 Number of RIPE addresses announced to Internet: 714104832 Equivalent to 42 /8s, 144 /16s and 96 /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: 115111 Total LACNIC prefixes after maximum aggregation: 27414 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 114906 Unique aggregates announced from the LACNIC address blocks: 48733 LACNIC Region origin ASes present in the Internet Routing Table: 10958 LACNIC Prefixes per ASN: 10.49 LACNIC Region origin ASes announcing only one prefix: 2669 LACNIC Region transit ASes present in the Internet Routing Table: 2244 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: 8686 Number of LACNIC addresses announced to Internet: 176445696 Equivalent to 10 /8s, 132 /16s and 89 /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: 28021 Total AfriNIC prefixes after maximum aggregation: 5511 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 36025 Unique aggregates announced from the AfriNIC address blocks: 11712 AfriNIC Region origin ASes present in the Internet Routing Table: 1652 AfriNIC Prefixes per ASN: 21.81 AfriNIC Region origin ASes announcing only one prefix: 573 AfriNIC Region transit ASes present in the Internet Routing Table: 323 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: 107797760 Equivalent to 6 /8s, 108 /16s and 221 /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 8982 8882 46 CHINAMOBILE-CN China Mobile Communicati 7545 5919 787 692 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3566 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3510 1042 59 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3424 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2426 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2255 11123 596 KIXS-AS-KR Korea Telecom, KR 45090 2137 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2123 425 217 TATACOMM-AS TATA Communications formerl 24560 2107 849 407 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 6793 10397 2689 AMAZON-02, US 11492 4509 299 677 CABLEONE, US 7155 3902 265 32 VIASAT-SP-BACKBONE, US 22773 3874 3068 353 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3458 1780 2502 AKAMAI-AS, US 6327 3438 1319 63 SHAW, CA 749 2992 50739 2250 DNIC-AS-00749, US 30036 2633 375 130 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2510 3343 359 GOOGLE-CLOUD-PLATFORM, US 209 2413 4936 412 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 6834 1730 144 UNI2-AS, ES 8551 4011 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3982 3360 195 AKAMAI-ASN1, NL 12389 2882 2287 906 ROSTELECOM-AS, RU 6849 2672 355 21 UKRTELNET, UA 9009 2576 254 1333 M247, GB 34984 2253 358 639 TELLCOM-AS, TR 58224 1775 933 560 TCI, IR 61317 1626 115 1064 ASDETUK www.heficed.com, GB 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 10756 3397 558 Uninet S.A. de C.V., MX 10620 3473 514 774 Telmex Colombia S.A., CO 11830 2428 369 64 Instituto Costarricense de Electricidad 13999 1911 314 507 Mega Cable, S.A. de C.V., MX 28573 1359 2330 272 Claro NXT Telecomunicacoes Ltda, BR 6503 1291 338 521 Axtel, S.A.B. de C.V., MX 3816 1261 683 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1078 369 21 Telefonica del Peru S.A.A., PE 11664 998 179 459 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 1317 1519 271 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 967 65 45 ORANGE-COTE-IVOIRE, CI 36935 789 520 42 Vodafone-, EG 6713 610 1863 34 IAM-AS, MA 15399 516 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 10756 3397 558 Uninet S.A. de C.V., MX 9808 8982 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6834 1730 144 UNI2-AS, ES 16509 6793 10397 2689 AMAZON-02, US 7545 5919 787 692 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4509 299 677 CABLEONE, US 8551 4011 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3982 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 8982 8936 CHINAMOBILE-CN China Mobile Communications Grou 12479 6834 6690 UNI2-AS, ES 7545 5919 5227 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6793 4104 AMAZON-02, US 8551 4011 3972 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 7155 3902 3870 VIASAT-SP-BACKBONE, US 11492 4509 3832 CABLEONE, US 20940 3982 3787 AKAMAI-ASN1, NL 7552 3566 3547 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 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, 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 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 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 41.57.124.0/24 Origin: 37442 UNASSIGNED 41.57.124.0/24 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 /10:39 /11:100 /12:302 /13:589 /14:1201 /15:2094 /16:13498 /17:8264 /18:13745 /19:24727 /20:43031 /21:50697 /22:107395 /23:95082 /24:526086 /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 5815 6834 UNI2-AS, ES 8151 4501 10756 Uninet S.A. de C.V., MX 8551 3474 4011 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3416 4509 CABLEONE, US 6327 3248 3438 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2991 3902 VIASAT-SP-BACKBONE, US 22773 2892 3874 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2530 2672 UKRTELNET, UA 30036 2290 2633 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 2:1035 3:157 4:5 5:3813 6:109 7:6 8:1530 9:1 11:172 12:1645 13:344 14:2335 15:232 16:44 17:384 18:183 20:240 21:4 22:188 23:5744 24:2371 25:6 27:2609 29:19 31:2430 32:92 34:7 35:87 36:1829 37:4388 38:3199 39:716 40:152 41:3890 42:1116 43:2203 44:290 45:15911 46:4105 47:302 49:1687 50:1939 51:237 52:1449 54:386 55:851 56:8 57:60 58:1703 59:1109 60:961 61:2267 62:2513 63:1931 64:5521 65:2335 66:4840 67:2958 68:1186 69:4168 70:1321 71:681 72:3039 74:2630 75:1398 76:576 77:2217 78:1867 79:3133 80:2001 81:1631 82:1491 83:1209 84:1320 85:2948 86:729 87:1900 88:1153 89:3316 90:540 91:7612 92:2010 93:2545 94:3474 95:3834 96:1308 97:352 98:1007 99:753 100:77 101:1268 102:2143 103:29290 104:4522 105:468 106:872 107:2549 108:854 109:4304 110:1968 111:3272 112:2027 113:1464 114:1467 115:1968 116:1885 117:2428 118:2311 119:1833 120:1662 121:1027 122:2519 123:2082 124:1540 125:2044 128:1178 129:1049 130:976 131:2014 132:802 133:377 134:1933 135:307 136:891 137:858 138:2442 139:1517 140:894 141:1444 142:1277 143:1413 144:1201 145:355 146:1807 147:1508 148:2207 149:1729 150:863 151:1064 152:1848 153:464 154:3639 155:1437 156:1681 157:1265 158:1038 159:2228 160:2502 161:1278 162:3466 163:1286 164:1629 165:1631 166:756 167:1749 168:3773 169:887 170:4535 171:832 172:3245 173:3130 174:1016 175:1151 176:3557 177:4596 178:3545 179:2173 180:2359 181:3217 182:3212 183:1937 184:2343 185:19610 186:4322 187:3776 188:3965 189:3385 190:8919 191:1482 192:10973 193:8638 194:7056 195:4979 196:3028 197:2414 198:5930 199:6030 200:7484 201:5857 202:10111 203:10018 204:4523 205:3442 206:3668 207:3340 208:4008 209:4655 210:4139 211:2314 212:4016 213:3440 214:1136 215:67 216:6472 217:2640 218:1272 219:407 220:1723 221:962 222:660 223:1953 End of report