IPv4 R&E Routing Table Report 23:05 GMT Sat 20 Aug, 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: 891343 Prefixes after maximum aggregation (per Origin AS): 339106 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 438583 Number of IPv4 prefixes with a valid ROA: 346268 Number of IPv4 prefixes with an invalid ROA: 1394 Number of IPv4 prefixes with no ROA: 543681 Total ASes present in the Internet Routing Table: 73376 Prefixes per ASN: 12.15 Origin-only ASes present in the Internet Routing Table: 62972 Origin ASes announcing only one prefix: 25965 Transit ASes present in the Internet Routing Table: 10404 Transit-only ASes present in the Internet Routing Table: 401 Paths with bogon ASNs present in the IPv4 Routing Table: 29 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 48 Max AS path prepend of ASN ( 11432) 45 Prefixes from unregistered ASNs in the Routing Table: 953 Number of instances of unregistered ASNs: 953 Number of 32-bit ASNs allocated by the RIRs: 40026 Number of 32-bit ASNs visible in the Routing Table: 33163 Prefixes from 32-bit ASNs in the Routing Table: 158004 Number of bogon 32-bit ASNs visible in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 512 Number of addresses announced to Internet: 3069919744 Equivalent to 182 /8s, 251 /16s and 66 /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: 299822 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 230545 Total APNIC prefixes after maximum aggregation: 66705 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 225599 Unique aggregates announced from the APNIC address blocks: 96345 APNIC Region origin ASes present in the Internet Routing Table: 12792 APNIC Prefixes per ASN: 17.64 APNIC Region origin ASes announcing only one prefix: 3699 APNIC Region transit ASes present in the Internet Routing Table: 1748 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: 8087 Number of APNIC addresses announced to Internet: 772724224 Equivalent to 46 /8s, 14 /16s and 214 /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: 263303 Total ARIN prefixes after maximum aggregation: 120515 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 263543 Unique aggregates announced from the ARIN address blocks: 127518 ARIN Region origin ASes present in the Internet Routing Table: 18976 ARIN Prefixes per ASN: 13.89 ARIN Region origin ASes announcing only one prefix: 6918 ARIN Region transit ASes present in the Internet Routing Table: 1855 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4570 Number of ARIN addresses announced to Internet: 1295404800 Equivalent to 77 /8s, 54 /16s and 79 /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: 252505 Total RIPE prefixes after maximum aggregation: 118055 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249844 Unique aggregates announced from the RIPE address blocks: 153271 RIPE Region origin ASes present in the Internet Routing Table: 28177 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12070 RIPE Region transit ASes present in the Internet Routing Table: 4036 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10791 Number of RIPE addresses announced to Internet: 717706240 Equivalent to 42 /8s, 199 /16s and 84 /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: 115982 Total LACNIC prefixes after maximum aggregation: 27583 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115661 Unique aggregates announced from the LACNIC address blocks: 48959 LACNIC Region origin ASes present in the Internet Routing Table: 10981 LACNIC Prefixes per ASN: 10.53 LACNIC Region origin ASes announcing only one prefix: 2693 LACNIC Region transit ASes present in the Internet Routing Table: 2250 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: 8712 Number of LACNIC addresses announced to Internet: 176340224 Equivalent to 10 /8s, 130 /16s and 189 /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: 28055 Total AfriNIC prefixes after maximum aggregation: 5515 AfriNIC Deaggregation factor: 5.09 Prefixes being announced from the AfriNIC address blocks: 36184 Unique aggregates announced from the AfriNIC address blocks: 12055 AfriNIC Region origin ASes present in the Internet Routing Table: 1672 AfriNIC Prefixes per ASN: 21.64 AfriNIC Region origin ASes announcing only one prefix: 585 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: 35 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1003 Number of AfriNIC addresses announced to Internet: 107453440 Equivalent to 6 /8s, 103 /16s and 156 /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 9093 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5919 789 698 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3582 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3505 1038 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3376 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2425 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2250 11122 593 KIXS-AS-KR Korea Telecom, KR 24560 2173 848 408 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2143 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2119 425 216 TATACOMM-AS TATA Communications formerl 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 6864 10401 2735 AMAZON-02, US 11492 4533 300 575 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3817 3064 350 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3469 1790 2501 AKAMAI-AS, US 6327 3450 1319 63 SHAW, CA 749 3035 50728 2293 DNIC-AS-00749, US 30036 2604 369 261 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2528 3387 363 GOOGLE-CLOUD-PLATFORM, US 209 2366 4936 404 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 6873 1730 144 UNI2-AS, ES 20940 4051 3359 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3999 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2889 2290 910 ROSTELECOM-AS, RU 6849 2759 355 21 UKRTELNET, UA 9009 2589 252 1322 M247, GB 34984 2249 358 632 TELLCOM-AS, TR 58224 1755 927 530 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 10847 3390 551 Uninet S.A. de C.V., MX 10620 3489 515 784 Telmex Colombia S.A., CO 11830 2339 369 64 Instituto Costarricense de Electricidad 13999 1960 319 525 Mega Cable, S.A. de C.V., MX 28573 1360 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1289 338 521 Axtel, S.A.B. de C.V., MX 3816 1271 697 155 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1127 369 21 Telefonica del Peru S.A.A., PE 11664 1051 177 460 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 1498 393 21 LINKdotNET-AS, EG 24835 1484 521 31 RAYA-AS, EG 36992 1324 1519 268 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 984 67 46 ORANGE-COTE-IVOIRE, CI 36935 809 520 41 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 520 52 39 WANANCHI-, KE 37342 481 32 1 MOVITEL, MZ 23889 400 232 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 10847 3390 551 Uninet S.A. de C.V., MX 9808 9093 8883 47 CHINAMOBILE-CN China Mobile Communicati 12479 6873 1730 144 UNI2-AS, ES 16509 6864 10401 2735 AMAZON-02, US 7545 5919 789 698 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4533 300 575 CABLEONE, US 20940 4051 3359 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3999 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3906 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 9093 9046 CHINAMOBILE-CN China Mobile Communications Grou 12479 6873 6729 UNI2-AS, ES 7545 5919 5221 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6864 4129 AMAZON-02, US 39891 4006 3960 ALJAWWALSTC-AS, SA 8551 3999 3960 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 4533 3958 CABLEONE, US 7155 3906 3874 VIASAT-SP-BACKBONE, US 20940 4051 3857 AKAMAI-ASN1, NL 7552 3582 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 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 23.128.80.0/24 Origin: 397372 UNASSIGNED 23.128.80.0/24 Transit: 174 COGENT-174, US 23.139.184.0/24 Origin: 27408 1371467, CA 23.139.184.0/24 Transit: 24875 NOVOSERVE-AS, NL 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 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 /11:101 /12:303 /13:592 /14:1204 /15:2098 /16:13485 /17:8265 /18:13802 /19:24736 /20:43070 /21:50819 /22:107590 /23:95806 /24:529398 /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 5858 6873 UNI2-AS, ES 8151 4581 10847 Uninet S.A. de C.V., MX 8551 3457 3999 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3448 4533 CABLEONE, US 6327 3261 3450 SHAW, CA 39891 3189 4006 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2833 3817 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2616 2759 UKRTELNET, UA 30036 2260 2604 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1948 2:1025 3:157 4:5 5:3859 6:112 7:6 8:1550 9:1 11:172 12:1644 13:337 14:2351 15:242 16:46 17:379 18:192 20:243 21:4 22:188 23:5836 24:2394 25:6 27:2617 29:19 31:2415 32:92 34:7 35:87 36:1858 37:4469 38:3403 39:722 40:153 41:3915 42:1145 43:2198 44:290 45:16050 46:4146 47:302 49:1719 50:1949 51:239 52:1460 54:385 55:791 56:8 57:59 58:1726 59:1114 60:974 61:2285 62:2531 63:1923 64:5559 65:2358 66:4830 67:2962 68:1203 69:4141 70:1314 71:681 72:3021 74:2644 75:1404 76:577 77:2241 78:1918 79:3127 80:2028 81:1630 82:1481 83:1213 84:1361 85:2968 86:742 87:1907 88:1186 89:3397 90:547 91:7638 92:2041 93:2543 94:3518 95:3882 96:1301 97:351 98:1020 99:721 100:77 101:1290 102:2256 103:29618 104:4559 105:470 106:885 107:2546 108:872 109:4327 110:1999 111:3288 112:2052 113:1470 114:1474 115:1984 116:1887 117:2453 118:2313 119:1836 120:1760 121:1018 122:2497 123:2065 124:1539 125:2067 128:1188 129:1002 130:999 131:2031 132:806 133:378 134:1925 135:299 136:853 137:889 138:2495 139:1509 140:929 141:1447 142:1315 143:1394 144:1201 145:340 146:1837 147:1496 148:2215 149:1770 150:857 151:1076 152:1869 153:465 154:3670 155:1453 156:1722 157:1279 158:1038 159:2204 160:2511 161:1324 162:3497 163:1359 164:1628 165:1642 166:777 167:1779 168:3809 169:876 170:4494 171:835 172:3326 173:3121 174:1020 175:1152 176:3627 177:4716 178:3565 179:2208 180:2376 181:3236 182:3194 183:1938 184:2374 185:19631 186:4527 187:3838 188:3974 189:3417 190:8964 191:1445 192:10945 193:8683 194:7088 195:5046 196:3042 197:2426 198:5949 199:6016 200:7553 201:5774 202:10096 203:9982 204:4509 205:3433 206:3677 207:3389 208:4050 209:4690 210:4148 211:2297 212:4003 213:3458 214:1132 215:66 216:6382 217:2634 218:1267 219:407 220:1748 221:949 222:656 223:1967 End of report