IPv4 R&E Routing Table Report 23:05 GMT Sun 28 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: 892224 Prefixes after maximum aggregation (per Origin AS): 339314 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 438402 Number of IPv4 prefixes with a valid ROA: 347601 Number of IPv4 prefixes with an invalid ROA: 1398 Number of IPv4 prefixes with no ROA: 543225 Total ASes present in the Internet Routing Table: 73388 Prefixes per ASN: 12.16 Origin-only ASes present in the Internet Routing Table: 63014 Origin ASes announcing only one prefix: 25962 Transit ASes present in the Internet Routing Table: 10374 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: 60 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 955 Number of instances of unregistered ASNs: 955 Number of 32-bit ASNs allocated by the RIRs: 40083 Number of 32-bit ASNs visible in the Routing Table: 33187 Prefixes from 32-bit ASNs in the Routing Table: 158537 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: 502 Number of addresses announced to Internet: 3068044544 Equivalent to 182 /8s, 222 /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: 300032 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 230456 Total APNIC prefixes after maximum aggregation: 66727 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 225688 Unique aggregates announced from the APNIC address blocks: 96159 APNIC Region origin ASes present in the Internet Routing Table: 12816 APNIC Prefixes per ASN: 17.61 APNIC Region origin ASes announcing only one prefix: 3704 APNIC Region transit ASes present in the Internet Routing Table: 1754 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: 8112 Number of APNIC addresses announced to Internet: 772647424 Equivalent to 46 /8s, 13 /16s and 170 /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: 263619 Total ARIN prefixes after maximum aggregation: 120508 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 263964 Unique aggregates announced from the ARIN address blocks: 127679 ARIN Region origin ASes present in the Internet Routing Table: 18986 ARIN Prefixes per ASN: 13.90 ARIN Region origin ASes announcing only one prefix: 6922 ARIN Region transit ASes present in the Internet Routing Table: 1862 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: 4582 Number of ARIN addresses announced to Internet: 1293689088 Equivalent to 77 /8s, 28 /16s and 33 /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: 252667 Total RIPE prefixes after maximum aggregation: 118148 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249808 Unique aggregates announced from the RIPE address blocks: 153299 RIPE Region origin ASes present in the Internet Routing Table: 28175 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: 4027 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: 717277440 Equivalent to 42 /8s, 192 /16s and 201 /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: 116161 Total LACNIC prefixes after maximum aggregation: 27637 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115814 Unique aggregates announced from the LACNIC address blocks: 48933 LACNIC Region origin ASes present in the Internet Routing Table: 10963 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: 2232 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: 8696 Number of LACNIC addresses announced to Internet: 176343808 Equivalent to 10 /8s, 130 /16s and 203 /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: 28366 Total AfriNIC prefixes after maximum aggregation: 5563 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 36448 Unique aggregates announced from the AfriNIC address blocks: 11902 AfriNIC Region origin ASes present in the Internet Routing Table: 1673 AfriNIC Prefixes per ASN: 21.79 AfriNIC Region origin ASes announcing only one prefix: 583 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: 1007 Number of AfriNIC addresses announced to Internet: 107805184 Equivalent to 6 /8s, 108 /16s and 250 /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 9111 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5921 789 696 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3583 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 2127 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 6900 10412 2728 AMAZON-02, US 11492 4537 301 580 CABLEONE, US 7155 3906 265 32 VIASAT-SP-BACKBONE, US 22773 3815 3064 350 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3471 1790 2503 AKAMAI-AS, US 6327 3451 1319 63 SHAW, CA 749 3036 50728 2294 DNIC-AS-00749, US 30036 2606 369 245 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2529 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 6873 1730 144 UNI2-AS, ES 20940 4057 3359 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3995 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2888 2290 909 ROSTELECOM-AS, RU 6849 2759 355 21 UKRTELNET, UA 9009 2587 251 1329 M247, GB 34984 2266 359 633 TELLCOM-AS, TR 58224 1762 928 507 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 10887 3394 558 Uninet S.A. de C.V., MX 10620 3506 516 778 Telmex Colombia S.A., CO 11830 2341 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 1049 179 466 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 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 10887 3394 558 Uninet S.A. de C.V., MX 9808 9111 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 6900 10412 2728 AMAZON-02, US 12479 6873 1730 144 UNI2-AS, ES 7545 5921 789 696 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4537 301 580 CABLEONE, US 20940 4057 3359 194 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 3995 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 9111 9064 CHINAMOBILE-CN China Mobile Communications Grou 12479 6873 6729 UNI2-AS, ES 7545 5921 5225 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6900 4172 AMAZON-02, US 39891 4006 3960 ALJAWWALSTC-AS, SA 11492 4537 3957 CABLEONE, US 8551 3995 3957 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3906 3874 VIASAT-SP-BACKBONE, US 20940 4057 3863 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 /13:593 /14:1204 /15:2100 /16:13510 /17:8279 /18:13816 /19:24782 /20:43162 /21:50859 /22:107763 /23:95657 /24:530026 /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 5861 6873 UNI2-AS, ES 8151 4613 10887 Uninet S.A. de C.V., MX 8551 3459 3995 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3454 4537 CABLEONE, US 6327 3261 3451 SHAW, CA 39891 3189 4006 ALJAWWALSTC-AS, SA 7155 2995 3906 VIASAT-SP-BACKBONE, US 22773 2831 3815 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2616 2759 UKRTELNET, UA 30036 2262 2606 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1947 2:1023 3:157 4:5 5:3863 6:115 7:6 8:1551 9:1 11:172 12:1646 13:334 14:2352 15:246 16:47 17:375 18:199 20:243 21:4 22:188 23:5893 24:2400 25:6 27:2633 29:19 31:2414 32:92 34:7 35:87 36:1873 37:4475 38:3439 39:723 40:148 41:3936 42:1132 43:2205 44:288 45:16100 46:4156 47:300 49:1713 50:1955 51:239 52:1468 54:384 55:844 56:8 57:61 58:1725 59:1111 60:975 61:2288 62:2539 63:1921 64:5558 65:2359 66:4838 67:2958 68:1205 69:4142 70:1313 71:681 72:3023 74:2629 75:1403 76:586 77:2256 78:1912 79:3121 80:2042 81:1636 82:1484 83:1212 84:1364 85:2980 86:737 87:1903 88:1177 89:3417 90:547 91:7631 92:2038 93:2538 94:3531 95:3880 96:1299 97:352 98:1026 99:722 100:77 101:1289 102:2286 103:29691 104:4555 105:468 106:887 107:2557 108:871 109:4325 110:2000 111:3294 112:2053 113:1474 114:1480 115:1985 116:1887 117:2471 118:2322 119:1816 120:1763 121:1009 122:2508 123:2069 124:1538 125:2074 128:1167 129:1030 130:1004 131:2031 132:801 133:378 134:1931 135:300 136:857 137:876 138:2499 139:1506 140:937 141:1457 142:1332 143:1401 144:1195 145:341 146:1841 147:1507 148:2206 149:1783 150:861 151:1077 152:1866 153:465 154:3665 155:1454 156:1721 157:1279 158:1036 159:2196 160:2514 161:1324 162:3497 163:1381 164:1626 165:1646 166:776 167:1771 168:3775 169:882 170:4507 171:843 172:3341 173:3125 174:1020 175:1154 176:3613 177:4733 178:3569 179:2166 180:2370 181:3239 182:3190 183:1936 184:2374 185:19638 186:4528 187:3848 188:3981 189:3424 190:8989 191:1452 192:10955 193:8677 194:7086 195:5040 196:3053 197:2441 198:5954 199:6007 200:7550 201:5797 202:10102 203:9975 204:4508 205:3441 206:3687 207:3399 208:4037 209:4692 210:4130 211:2295 212:4029 213:3474 214:1119 215:65 216:6370 217:2638 218:1268 219:406 220:1748 221:948 222:655 223:1968 End of report