IPv4 R&E Routing Table Report 23:05 GMT Wed 24 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: 891670 Prefixes after maximum aggregation (per Origin AS): 339166 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 438470 Number of IPv4 prefixes with a valid ROA: 347007 Number of IPv4 prefixes with an invalid ROA: 1412 Number of IPv4 prefixes with no ROA: 543251 Total ASes present in the Internet Routing Table: 73391 Prefixes per ASN: 12.15 Origin-only ASes present in the Internet Routing Table: 63001 Origin ASes announcing only one prefix: 25962 Transit ASes present in the Internet Routing Table: 10390 Transit-only ASes present in the Internet Routing Table: 400 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: 60 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 945 Number of instances of unregistered ASNs: 945 Number of 32-bit ASNs allocated by the RIRs: 40032 Number of 32-bit ASNs visible in the Routing Table: 33179 Prefixes from 32-bit ASNs in the Routing Table: 158244 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: 509 Number of addresses announced to Internet: 3067954944 Equivalent to 182 /8s, 221 /16s and 71 /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: 299875 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 230361 Total APNIC prefixes after maximum aggregation: 66702 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 225584 Unique aggregates announced from the APNIC address blocks: 96177 APNIC Region origin ASes present in the Internet Routing Table: 12815 APNIC Prefixes per ASN: 17.60 APNIC Region origin ASes announcing only one prefix: 3709 APNIC Region transit ASes present in the Internet Routing Table: 1753 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8110 Number of APNIC addresses announced to Internet: 772687616 Equivalent to 46 /8s, 14 /16s and 71 /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: 263265 Total ARIN prefixes after maximum aggregation: 120429 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 263639 Unique aggregates announced from the ARIN address blocks: 127535 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: 6920 ARIN Region transit ASes present in the Internet Routing Table: 1857 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4573 Number of ARIN addresses announced to Internet: 1293632000 Equivalent to 77 /8s, 27 /16s and 66 /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: 252657 Total RIPE prefixes after maximum aggregation: 118162 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249800 Unique aggregates announced from the RIPE address blocks: 153268 RIPE Region origin ASes present in the Internet Routing Table: 28184 RIPE Prefixes per ASN: 8.86 RIPE Region origin ASes announcing only one prefix: 12065 RIPE Region transit ASes present in the Internet Routing Table: 4033 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: 10790 Number of RIPE addresses announced to Internet: 717594112 Equivalent to 42 /8s, 197 /16s and 158 /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: 116164 Total LACNIC prefixes after maximum aggregation: 27627 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115806 Unique aggregates announced from the LACNIC address blocks: 48988 LACNIC Region origin ASes present in the Internet Routing Table: 10971 LACNIC Prefixes per ASN: 10.56 LACNIC Region origin ASes announcing only one prefix: 2681 LACNIC Region transit ASes present in the Internet Routing Table: 2239 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: 8703 Number of LACNIC addresses announced to Internet: 176304896 Equivalent to 10 /8s, 130 /16s and 51 /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: 28278 Total AfriNIC prefixes after maximum aggregation: 5515 AfriNIC Deaggregation factor: 5.13 Prefixes being announced from the AfriNIC address blocks: 36332 Unique aggregates announced from the AfriNIC address blocks: 12066 AfriNIC Region origin ASes present in the Internet Routing Table: 1671 AfriNIC Prefixes per ASN: 21.74 AfriNIC Region origin ASes announcing only one prefix: 587 AfriNIC Region transit ASes present in the Internet Routing Table: 325 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: 1003 Number of AfriNIC addresses announced to Internet: 107448576 Equivalent to 6 /8s, 103 /16s and 137 /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 9106 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5923 789 696 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3583 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3518 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3377 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2425 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2260 11124 597 KIXS-AS-KR Korea Telecom, KR 24560 2188 851 407 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2143 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2126 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 6846 10399 2729 AMAZON-02, US 11492 4535 301 573 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3816 3064 350 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3465 1787 2501 AKAMAI-AS, US 6327 3450 1319 63 SHAW, CA 749 3036 50728 2294 DNIC-AS-00749, US 30036 2607 370 252 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2529 3387 364 GOOGLE-CLOUD-PLATFORM, US 209 2364 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 148 UNI2-AS, ES 20940 4056 3359 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3999 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2888 2290 909 ROSTELECOM-AS, RU 6849 2759 355 21 UKRTELNET, UA 9009 2585 252 1325 M247, GB 34984 2249 358 631 TELLCOM-AS, TR 58224 1768 927 523 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 10874 3394 558 Uninet S.A. de C.V., MX 10620 3507 516 779 Telmex Colombia S.A., CO 11830 2339 369 64 Instituto Costarricense de Electricidad 13999 1966 319 514 Mega Cable, S.A. de C.V., MX 28573 1359 2327 267 Claro NXT Telecomunicacoes Ltda, BR 6503 1289 338 521 Axtel, S.A.B. de C.V., MX 3816 1272 699 153 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1130 369 21 Telefonica del Peru S.A.A., PE 11664 1050 180 467 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 1606 393 21 LINKdotNET-AS, EG 24835 1546 521 31 RAYA-AS, EG 36992 1324 1519 268 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 991 67 42 ORANGE-COTE-IVOIRE, CI 36935 810 520 42 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 10874 3394 558 Uninet S.A. de C.V., MX 9808 9106 8883 47 CHINAMOBILE-CN China Mobile Communicati 12479 6873 1730 148 UNI2-AS, ES 16509 6846 10399 2729 AMAZON-02, US 7545 5923 789 696 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4535 301 573 CABLEONE, US 20940 4056 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 9106 9059 CHINAMOBILE-CN China Mobile Communications Grou 12479 6873 6725 UNI2-AS, ES 7545 5923 5227 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6846 4117 AMAZON-02, US 11492 4535 3962 CABLEONE, US 39891 4006 3960 ALJAWWALSTC-AS, SA 8551 3999 3960 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3906 3874 VIASAT-SP-BACKBONE, US 20940 4056 3862 AKAMAI-ASN1, NL 7552 3583 3563 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 23.141.0.0/24 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 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 /10:38 /11:101 /12:299 /13:592 /14:1204 /15:2098 /16:13474 /17:8276 /18:13805 /19:24752 /20:43152 /21:50823 /22:107733 /23:95604 /24:529684 /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 5862 6873 UNI2-AS, ES 8151 4602 10874 Uninet S.A. de C.V., MX 8551 3457 3999 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3451 4535 CABLEONE, US 6327 3261 3450 SHAW, CA 39891 3189 4006 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2832 3816 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2616 2759 UKRTELNET, UA 30036 2263 2607 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1953 2:1027 3:157 4:5 5:3860 6:114 7:6 8:1551 9:1 11:172 12:1647 13:337 14:2355 15:244 16:46 17:379 18:192 20:243 21:4 22:188 23:5880 24:2395 25:6 27:2628 29:19 31:2416 32:92 34:7 35:87 36:1866 37:4473 38:3447 39:723 40:149 41:3940 42:1132 43:2196 44:290 45:16105 46:4144 47:301 49:1721 50:1945 51:239 52:1461 54:384 55:842 56:8 57:61 58:1725 59:1110 60:976 61:2285 62:2541 63:1919 64:5566 65:2347 66:4814 67:2963 68:1204 69:4141 70:1314 71:681 72:3024 74:2637 75:1403 76:585 77:2250 78:1907 79:3123 80:2046 81:1639 82:1491 83:1210 84:1365 85:2970 86:738 87:1905 88:1182 89:3397 90:545 91:7632 92:2029 93:2542 94:3517 95:3882 96:1298 97:350 98:1023 99:722 100:63 101:1287 102:2260 103:29649 104:4540 105:469 106:887 107:2545 108:873 109:4318 110:2000 111:3291 112:2051 113:1473 114:1479 115:1984 116:1886 117:2479 118:2324 119:1838 120:1755 121:1024 122:2506 123:2068 124:1539 125:2074 128:1171 129:1029 130:1001 131:2029 132:806 133:378 134:1934 135:300 136:855 137:872 138:2496 139:1506 140:937 141:1434 142:1316 143:1406 144:1197 145:341 146:1832 147:1498 148:2211 149:1773 150:861 151:1080 152:1878 153:464 154:3640 155:1456 156:1719 157:1277 158:1039 159:2200 160:2517 161:1322 162:3491 163:1376 164:1627 165:1646 166:776 167:1776 168:3772 169:875 170:4508 171:841 172:3315 173:3124 174:1020 175:1154 176:3615 177:4727 178:3576 179:2205 180:2374 181:3228 182:3198 183:1935 184:2375 185:19635 186:4511 187:3850 188:3977 189:3405 190:9002 191:1448 192:10951 193:8682 194:7078 195:5048 196:3038 197:2433 198:5955 199:6002 200:7557 201:5788 202:10074 203:9974 204:4513 205:3425 206:3684 207:3393 208:4048 209:4682 210:4143 211:2298 212:4010 213:3472 214:1125 215:66 216:6381 217:2635 218:1268 219:406 220:1749 221:949 222:655 223:1967 End of report