IPv4 R&E Routing Table Report 23:05 GMT Tue 25 Oct, 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: 897565 Prefixes after maximum aggregation (per Origin AS): 341422 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 440466 Number of IPv4 prefixes with a valid ROA: 357442 Number of IPv4 prefixes with an invalid ROA: 1654 Number of IPv4 prefixes with no ROA: 538469 Total ASes present in the Internet Routing Table: 73568 Prefixes per ASN: 12.20 Origin-only ASes present in the Internet Routing Table: 63216 Origin ASes announcing only one prefix: 25969 Transit ASes present in the Internet Routing Table: 10352 Transit-only ASes present in the Internet Routing Table: 406 Paths with bogon ASNs present in the IPv4 Routing Table: 30 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1058 Number of instances of unregistered ASNs: 1061 Number of 32-bit ASNs allocated by the RIRs: 40483 Number of 32-bit ASNs visible in the Routing Table: 33503 Prefixes from 32-bit ASNs in the Routing Table: 161626 Number of bogon 32-bit ASNs visible in the Routing Table: 10 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 526 Number of addresses announced to Internet: 3063446528 Equivalent to 182 /8s, 152 /16s and 124 /24s Percentage of available address space announced: 82.7 Percentage of allocated address space announced: 82.7 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: 301903 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 232121 Total APNIC prefixes after maximum aggregation: 67230 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 227173 Unique aggregates announced from the APNIC address blocks: 96679 APNIC Region origin ASes present in the Internet Routing Table: 12962 APNIC Prefixes per ASN: 17.53 APNIC Region origin ASes announcing only one prefix: 3732 APNIC Region transit ASes present in the Internet Routing Table: 1757 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8261 Number of APNIC addresses announced to Internet: 773203456 Equivalent to 46 /8s, 22 /16s and 38 /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: 265500 Total ARIN prefixes after maximum aggregation: 120905 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 266668 Unique aggregates announced from the ARIN address blocks: 128680 ARIN Region origin ASes present in the Internet Routing Table: 19000 ARIN Prefixes per ASN: 14.04 ARIN Region origin ASes announcing only one prefix: 6961 ARIN Region transit ASes present in the Internet Routing Table: 1864 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: 4638 Number of ARIN addresses announced to Internet: 1289840896 Equivalent to 76 /8s, 225 /16s and 105 /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: 253816 Total RIPE prefixes after maximum aggregation: 119076 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250649 Unique aggregates announced from the RIPE address blocks: 154368 RIPE Region origin ASes present in the Internet Routing Table: 28134 RIPE Prefixes per ASN: 8.91 RIPE Region origin ASes announcing only one prefix: 11982 RIPE Region transit ASes present in the Internet Routing Table: 3980 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: 10848 Number of RIPE addresses announced to Internet: 716336128 Equivalent to 42 /8s, 178 /16s and 108 /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: 116410 Total LACNIC prefixes after maximum aggregation: 27830 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 115923 Unique aggregates announced from the LACNIC address blocks: 48398 LACNIC Region origin ASes present in the Internet Routing Table: 10984 LACNIC Prefixes per ASN: 10.55 LACNIC Region origin ASes announcing only one prefix: 2704 LACNIC Region transit ASes present in the Internet Routing Table: 2247 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: 8741 Number of LACNIC addresses announced to Internet: 175860224 Equivalent to 10 /8s, 123 /16s and 106 /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: 28660 Total AfriNIC prefixes after maximum aggregation: 5602 AfriNIC Deaggregation factor: 5.12 Prefixes being announced from the AfriNIC address blocks: 36626 Unique aggregates announced from the AfriNIC address blocks: 11916 AfriNIC Region origin ASes present in the Internet Routing Table: 1690 AfriNIC Prefixes per ASN: 21.67 AfriNIC Region origin ASes announcing only one prefix: 590 AfriNIC Region transit ASes present in the Internet Routing Table: 322 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1015 Number of AfriNIC addresses announced to Internet: 107905280 Equivalent to 6 /8s, 110 /16s and 129 /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 9066 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5928 786 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3602 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3516 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3384 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2493 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2293 11251 596 KIXS-AS-KR Korea Telecom, KR 24560 2242 851 416 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2150 426 225 TATACOMM-AS TATA Communications formerl 45090 2144 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 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 7434 10586 2905 AMAZON-02, US 11492 4614 305 505 CABLEONE, US 7155 3899 265 32 VIASAT-SP-BACKBONE, US 22773 3727 3061 339 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3554 1856 2544 AKAMAI-AS, US 6327 3508 1320 63 SHAW, CA 749 3029 50727 2287 DNIC-AS-00749, US 7018 2651 24157 1602 ATT-INTERNET4, US 30036 2599 368 262 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2556 3480 348 GOOGLE-CLOUD-PLATFORM, 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 6914 1730 144 UNI2-AS, ES 20940 4091 3399 172 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3983 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2895 2290 912 ROSTELECOM-AS, RU 9009 2619 252 1345 M247, RO 6849 2536 339 20 UKRTELNET, UA 34984 2241 357 615 TELLCOM-AS, TR 58224 1698 912 635 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 10831 3315 602 Uninet S.A. de C.V., MX 10620 3469 510 837 Telmex Colombia S.A., CO 11830 2302 369 64 Instituto Costarricense de Electricidad 13999 2080 338 539 Mega Cable, S.A. de C.V., MX 28573 1335 2329 263 Claro NXT Telecomunicacoes Ltda, BR 6503 1295 338 521 Axtel, S.A.B. de C.V., MX 3816 1285 722 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1089 369 22 Telefonica del Peru S.A.A., PE 11664 1088 181 467 Techtel LMDS Comunicaciones Interactiva 26615 987 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 1565 393 21 LINKdotNET-AS, EG 24835 1519 521 31 RAYA-AS, EG 36992 1350 1519 270 ETISALAT-MISR, EG 36903 1230 550 99 MT-MPLS, MA 29571 1018 68 32 ORANGE-COTE-IVOIRE, CI 36935 815 520 42 Vodafone-, EG 6713 613 1863 34 IAM-AS, MA 15399 526 53 42 WANANCHI-, KE 37342 488 32 1 MOVITEL, MZ 23889 399 231 14 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 10831 3315 602 Uninet S.A. de C.V., MX 9808 9066 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7434 10586 2905 AMAZON-02, US 12479 6914 1730 144 UNI2-AS, ES 7545 5928 786 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4614 305 505 CABLEONE, US 20940 4091 3399 172 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3983 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3899 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 9066 9019 CHINAMOBILE-CN China Mobile Communications Grou 12479 6914 6770 UNI2-AS, ES 7545 5928 5235 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7434 4529 AMAZON-02, US 11492 4614 4109 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3983 3945 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4091 3919 AKAMAI-ASN1, NL 7155 3899 3867 VIASAT-SP-BACKBONE, US 7552 3602 3582 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 16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.158.240.0/24 Origin: 13465 UNASSIGNED 23.158.240.0/24 Transit: 33185 HIVE-DATA-CENTER, CA 23.181.240.0/24 Origin: 399613 UNASSIGNED 23.181.240.0/24 Transit: 11992 CENTENNIAL-, PR 24.48.128.0/19 Origin: 29866 OPTICALTEL, US 24.48.128.0/19 Transit: 2914 NTT-LTD-2914, US 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 /11:100 /12:294 /13:586 /14:1197 /15:2078 /16:13451 /17:8285 /18:13842 /19:24831 /20:43038 /21:50744 /22:108314 /23:96052 /24:534679 /25:0 /26:1 /27:1 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5921 6914 UNI2-AS, ES 8151 4792 10831 Uninet S.A. de C.V., MX 11492 3521 4614 CABLEONE, US 8551 3447 3983 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3316 3508 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2988 3899 VIASAT-SP-BACKBONE, US 22773 2749 3727 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2399 2536 UKRTELNET, UA 30036 2257 2599 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1888 2:1019 3:165 4:5 5:4005 6:116 7:5 8:1555 9:1 11:173 12:1622 13:355 14:2365 15:275 16:69 17:358 18:343 20:241 21:4 22:188 23:5959 24:2459 25:6 27:2714 29:19 31:2450 32:90 34:7 35:90 36:1880 37:4504 38:3704 39:753 40:158 41:3916 42:1168 43:2271 44:299 45:16237 46:4196 47:365 49:1705 50:1928 51:244 52:1500 54:397 55:846 56:8 57:79 58:1722 59:1112 60:996 61:2381 62:2566 63:1966 64:5596 65:2325 66:4824 67:2959 68:1367 69:4130 70:1288 71:677 72:2993 74:2644 75:1472 76:597 77:2245 78:1823 79:3153 80:2054 81:1676 82:1530 83:1215 84:1412 85:2949 86:734 87:1917 88:1167 89:3430 90:548 91:7592 92:2077 93:2546 94:3552 95:3865 96:1346 97:347 98:1170 99:739 100:69 101:1296 102:2353 103:30248 104:4514 105:476 106:889 107:2541 108:889 109:4333 110:2009 111:3278 112:2064 113:1484 114:1514 115:1988 116:1896 117:2484 118:2324 119:1837 120:1706 121:1021 122:2550 123:2105 124:1510 125:2118 128:1197 129:972 130:964 131:2008 132:829 133:379 134:1904 135:289 136:872 137:891 138:2513 139:1520 140:1124 141:1470 142:1389 143:1407 144:1198 145:352 146:1861 147:1525 148:2239 149:1818 150:873 151:1133 152:1944 153:469 154:3771 155:1426 156:1637 157:1301 158:1046 159:2188 160:2564 161:1377 162:3504 163:1427 164:1672 165:1649 166:808 167:1729 168:3773 169:890 170:4529 171:848 172:3458 173:3097 174:1033 175:1156 176:3579 177:4797 178:3558 179:2110 180:2369 181:3297 182:3195 183:1945 184:2351 185:19839 186:4533 187:3959 188:4039 189:3464 190:8973 191:1449 192:10961 193:8740 194:7136 195:5059 196:3063 197:2467 198:5933 199:6042 200:7513 201:5834 202:10141 203:10028 204:4585 205:3481 206:3816 207:3382 208:4078 209:4763 210:4125 211:2328 212:4012 213:3567 214:1080 215:53 216:6476 217:2625 218:1268 219:404 220:1780 221:922 222:655 223:1980 End of report