IPv4 R&E Routing Table Report 23:05 GMT Mon 29 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: 892296 Prefixes after maximum aggregation (per Origin AS): 339351 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 438370 Number of IPv4 prefixes with a valid ROA: 347920 Number of IPv4 prefixes with an invalid ROA: 1449 Number of IPv4 prefixes with no ROA: 542927 Total ASes present in the Internet Routing Table: 73405 Prefixes per ASN: 12.16 Origin-only ASes present in the Internet Routing Table: 63018 Origin ASes announcing only one prefix: 25987 Transit ASes present in the Internet Routing Table: 10387 Transit-only ASes present in the Internet Routing Table: 404 Paths with bogon ASNs present in the IPv4 Routing Table: 31 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: 959 Number of instances of unregistered ASNs: 961 Number of 32-bit ASNs allocated by the RIRs: 40084 Number of 32-bit ASNs visible in the Routing Table: 33207 Prefixes from 32-bit ASNs in the Routing Table: 158522 Number of bogon 32-bit ASNs visible in the Routing Table: 8 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 504 Number of addresses announced to Internet: 3067847936 Equivalent to 182 /8s, 219 /16s and 165 /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: 299905 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 230600 Total APNIC prefixes after maximum aggregation: 66740 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 225794 Unique aggregates announced from the APNIC address blocks: 96211 APNIC Region origin ASes present in the Internet Routing Table: 12823 APNIC Prefixes per ASN: 17.61 APNIC Region origin ASes announcing only one prefix: 3712 APNIC Region transit ASes present in the Internet Routing Table: 1751 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: 8119 Number of APNIC addresses announced to Internet: 772576768 Equivalent to 46 /8s, 12 /16s and 150 /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: 263586 Total ARIN prefixes after maximum aggregation: 120506 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 263941 Unique aggregates announced from the ARIN address blocks: 127614 ARIN Region origin ASes present in the Internet Routing Table: 18987 ARIN Prefixes per ASN: 13.90 ARIN Region origin ASes announcing only one prefix: 6934 ARIN Region transit ASes present in the Internet Routing Table: 1861 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: 4580 Number of ARIN addresses announced to Internet: 1293609728 Equivalent to 77 /8s, 26 /16s and 235 /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: 252675 Total RIPE prefixes after maximum aggregation: 118152 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249841 Unique aggregates announced from the RIPE address blocks: 153281 RIPE Region origin ASes present in the Internet Routing Table: 28173 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12065 RIPE Region transit ASes present in the Internet Routing Table: 4028 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: 10793 Number of RIPE addresses announced to Internet: 717239296 Equivalent to 42 /8s, 192 /16s and 52 /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: 116200 Total LACNIC prefixes after maximum aggregation: 27653 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115858 Unique aggregates announced from the LACNIC address blocks: 48968 LACNIC Region origin ASes present in the Internet Routing Table: 10973 LACNIC Prefixes per ASN: 10.56 LACNIC Region origin ASes announcing only one prefix: 2688 LACNIC Region transit ASes present in the Internet Routing Table: 2235 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: 8710 Number of LACNIC addresses announced to Internet: 176357632 Equivalent to 10 /8s, 131 /16s and 1 /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: 28276 Total AfriNIC prefixes after maximum aggregation: 5564 AfriNIC Deaggregation factor: 5.08 Prefixes being announced from the AfriNIC address blocks: 36358 Unique aggregates announced from the AfriNIC address blocks: 11863 AfriNIC Region origin ASes present in the Internet Routing Table: 1670 AfriNIC Prefixes per ASN: 21.77 AfriNIC Region origin ASes announcing only one prefix: 588 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: 1005 Number of AfriNIC addresses announced to Internet: 107781376 Equivalent to 6 /8s, 108 /16s and 157 /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 9117 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5923 789 695 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3582 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3519 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3377 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2427 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2260 11124 597 KIXS-AS-KR Korea Telecom, KR 24560 2190 851 407 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2143 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2126 425 214 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 6919 10417 2733 AMAZON-02, US 11492 4537 301 580 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3812 3064 350 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3505 1811 2522 AKAMAI-AS, US 6327 3452 1319 63 SHAW, CA 749 3036 50728 2294 DNIC-AS-00749, US 30036 2607 369 241 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2530 3387 364 GOOGLE-CLOUD-PLATFORM, US 209 2362 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 6886 1730 144 UNI2-AS, ES 20940 4058 3359 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 4000 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2888 2290 909 ROSTELECOM-AS, RU 6849 2759 355 21 UKRTELNET, UA 9009 2588 252 1329 M247, GB 34984 2266 359 633 TELLCOM-AS, TR 58224 1763 928 508 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 10898 3394 558 Uninet S.A. de C.V., MX 10620 3506 516 778 Telmex Colombia S.A., CO 11830 2343 369 64 Instituto Costarricense de Electricidad 13999 1976 321 505 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 1129 369 21 Telefonica del Peru S.A.A., PE 11664 1051 180 468 Techtel LMDS Comunicaciones Interactiva 26615 980 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 1602 393 21 LINKdotNET-AS, EG 24835 1520 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 611 1863 34 IAM-AS, MA 15399 519 52 38 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 10898 3394 558 Uninet S.A. de C.V., MX 9808 9117 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 6919 10417 2733 AMAZON-02, US 12479 6886 1730 144 UNI2-AS, ES 7545 5923 789 695 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4537 301 580 CABLEONE, US 20940 4058 3359 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 4000 374 38 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 9117 9070 CHINAMOBILE-CN China Mobile Communications Grou 12479 6886 6742 UNI2-AS, ES 7545 5923 5228 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6919 4186 AMAZON-02, US 8551 4000 3962 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4006 3960 ALJAWWALSTC-AS, SA 11492 4537 3957 CABLEONE, US 7155 3906 3874 VIASAT-SP-BACKBONE, US 20940 4058 3864 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 23.141.0.0/24 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 /13:593 /14:1204 /15:2099 /16:13509 /17:8272 /18:13821 /19:24772 /20:43180 /21:50860 /22:107799 /23:95634 /24:530080 /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 5873 6886 UNI2-AS, ES 8151 4623 10898 Uninet S.A. de C.V., MX 8551 3459 4000 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3454 4537 CABLEONE, US 6327 3262 3452 SHAW, CA 39891 3189 4006 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2828 3812 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) ---------------------------------------------- 1:1944 2:1023 3:157 4:5 5:3860 6:115 7:6 8:1551 9:1 11:172 12:1646 13:333 14:2354 15:247 16:46 17:376 18:208 20:243 21:4 22:188 23:5890 24:2404 25:6 27:2656 29:19 31:2416 32:92 34:7 35:87 36:1872 37:4475 38:3442 39:723 40:148 41:3901 42:1131 43:2210 44:288 45:16106 46:4162 47:301 49:1713 50:1957 51:239 52:1468 54:385 55:836 56:8 57:60 58:1724 59:1110 60:975 61:2287 62:2539 63:1918 64:5556 65:2342 66:4828 67:2960 68:1205 69:4145 70:1311 71:679 72:3021 74:2635 75:1404 76:580 77:2256 78:1912 79:3120 80:2048 81:1639 82:1481 83:1211 84:1361 85:2982 86:734 87:1902 88:1176 89:3422 90:548 91:7638 92:2047 93:2538 94:3519 95:3879 96:1298 97:350 98:1027 99:720 100:77 101:1289 102:2263 103:29745 104:4555 105:469 106:887 107:2559 108:866 109:4322 110:2000 111:3295 112:2053 113:1476 114:1478 115:1984 116:1889 117:2476 118:2325 119:1818 120:1764 121:1010 122:2511 123:2076 124:1538 125:2074 128:1176 129:1029 130:1004 131:2045 132:805 133:378 134:1931 135:300 136:860 137:874 138:2506 139:1512 140:937 141:1455 142:1338 143:1409 144:1193 145:341 146:1843 147:1509 148:2202 149:1780 150:863 151:1078 152:1868 153:465 154:3679 155:1452 156:1725 157:1279 158:1035 159:2196 160:2514 161:1325 162:3496 163:1391 164:1628 165:1646 166:776 167:1768 168:3770 169:872 170:4513 171:842 172:3339 173:3124 174:1020 175:1154 176:3607 177:4721 178:3572 179:2168 180:2369 181:3233 182:3191 183:1936 184:2373 185:19633 186:4538 187:3852 188:3981 189:3422 190:9025 191:1451 192:10953 193:8674 194:7088 195:5039 196:3052 197:2437 198:5942 199:6011 200:7555 201:5795 202:10106 203:9983 204:4504 205:3423 206:3688 207:3393 208:4037 209:4684 210:4131 211:2296 212:4015 213:3463 214:1118 215:66 216:6371 217:2639 218:1267 219:406 220:1749 221:948 222:655 223:1968 End of report