IPv4 R&E Routing Table Report 23:05 GMT Thu 13 Apr, 2023 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: 909826 Prefixes after maximum aggregation (per Origin AS): 346471 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 447954 Number of IPv4 prefixes with a valid ROA: 387618 Number of IPv4 prefixes with an invalid ROA: 1634 Number of IPv4 prefixes with no ROA: 520574 Total ASes present in the Internet Routing Table: 74115 Prefixes per ASN: 12.28 Origin-only ASes present in the Internet Routing Table: 63711 Origin ASes announcing only one prefix: 26169 Transit ASes present in the Internet Routing Table: 10404 Transit-only ASes present in the Internet Routing Table: 419 Paths with bogon ASNs present in the IPv4 Routing Table: 15 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 67 Max AS path prepend of ASN ( 37447) 64 Prefixes from unregistered ASNs in the Routing Table: 1405 Number of instances of unregistered ASNs: 1405 Number of 32-bit ASNs allocated by the RIRs: 41643 Number of 32-bit ASNs visible in the Routing Table: 34396 Prefixes from 32-bit ASNs in the Routing Table: 169053 Number of bogon 32-bit ASNs visible in the Routing Table: 7 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 933 Number of addresses announced to Internet: 3060398592 Equivalent to 182 /8s, 105 /16s and 250 /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: 305435 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 235909 Total APNIC prefixes after maximum aggregation: 68356 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 230314 Unique aggregates announced from the APNIC address blocks: 97531 APNIC Region origin ASes present in the Internet Routing Table: 13297 APNIC Prefixes per ASN: 17.32 APNIC Region origin ASes announcing only one prefix: 3904 APNIC Region transit ASes present in the Internet Routing Table: 1791 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8654 Number of APNIC addresses announced to Internet: 772964096 Equivalent to 46 /8s, 18 /16s and 127 /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: 267648 Total ARIN prefixes after maximum aggregation: 121577 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 270071 Unique aggregates announced from the ARIN address blocks: 130799 ARIN Region origin ASes present in the Internet Routing Table: 19021 ARIN Prefixes per ASN: 14.20 ARIN Region origin ASes announcing only one prefix: 6965 ARIN Region transit ASes present in the Internet Routing Table: 1896 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4770 Number of ARIN addresses announced to Internet: 1284690944 Equivalent to 76 /8s, 146 /16s and 212 /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: 258364 Total RIPE prefixes after maximum aggregation: 121783 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 254405 Unique aggregates announced from the RIPE address blocks: 157515 RIPE Region origin ASes present in the Internet Routing Table: 28272 RIPE Prefixes per ASN: 9.00 RIPE Region origin ASes announcing only one prefix: 12030 RIPE Region transit ASes present in the Internet Routing Table: 3932 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 30 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11116 Number of RIPE addresses announced to Internet: 717651712 Equivalent to 42 /8s, 198 /16s and 127 /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: 117265 Total LACNIC prefixes after maximum aggregation: 28132 LACNIC Deaggregation factor: 4.17 Prefixes being announced from the LACNIC address blocks: 116582 Unique aggregates announced from the LACNIC address blocks: 49160 LACNIC Region origin ASes present in the Internet Routing Table: 10978 LACNIC Prefixes per ASN: 10.62 LACNIC Region origin ASes announcing only one prefix: 2670 LACNIC Region transit ASes present in the Internet Routing Table: 2267 Average LACNIC Region AS path length visible: 5.4 Max LACNIC Region AS path length visible: 49 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8780 Number of LACNIC addresses announced to Internet: 176625920 Equivalent to 10 /8s, 135 /16s and 25 /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: 29235 Total AfriNIC prefixes after maximum aggregation: 5785 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 37521 Unique aggregates announced from the AfriNIC address blocks: 12279 AfriNIC Region origin ASes present in the Internet Routing Table: 1728 AfriNIC Prefixes per ASN: 21.71 AfriNIC Region origin ASes announcing only one prefix: 600 AfriNIC Region transit ASes present in the Internet Routing Table: 329 Average AfriNIC Region AS path length visible: 5.4 Max AfriNIC Region AS path length visible: 67 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1076 Number of AfriNIC addresses announced to Internet: 107739136 Equivalent to 6 /8s, 107 /16s and 248 /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 9458 8704 36 CHINAMOBILE-CN China Mobile Communicati 7545 5726 786 688 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3670 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3557 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3387 1872 94 VNPT-AS-VN VNPT Corp, VN 9498 2928 491 237 BBIL-AP BHARTI Airtel Ltd., IN 24560 2375 836 442 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2303 11250 586 KIXS-AS-KR Korea Telecom, KR 4755 2171 439 213 TATACOMM-AS TATA Communications formerl 45090 2148 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 8260 10782 2900 AMAZON-02, US 11492 4541 301 607 CABLEONE, US 7155 3967 279 48 VIASAT-SP-BACKBONE, US 22773 3591 3035 271 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3514 1320 64 SHAW, CA 16625 3157 1585 2337 AKAMAI-AS, US 749 3055 50540 2322 DNIC-AS-00749, US 396982 2630 3590 362 GOOGLE-CLOUD-PLATFORM, US 7018 2569 24117 1566 ATT-INTERNET4, US 30036 2493 360 505 MEDIACOM-ENTERPRISE-BUSINESS, 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 7234 1705 149 UNI2-AS, ES 39891 4833 286 59 ALJAWWALSTC-AS, SA 20940 4059 3399 163 AKAMAI-ASN1, NL 8551 3887 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2892 2292 909 ROSTELECOM-AS, RU 9009 2663 249 1388 M247, RO 34984 2269 359 612 TELLCOM-AS, TR 6849 2017 307 18 UKRTELNET, UA 58224 1850 950 543 TCI, IR 13188 1606 100 26 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 11187 3343 585 Uninet S.A. de C.V., MX 10620 3500 507 851 Telmex Colombia S.A., CO 13999 2315 354 612 Mega Cable, S.A. de C.V., MX 11830 2263 369 64 Instituto Costarricense de Electricidad 28573 1332 2324 240 Claro NXT Telecomunicacoes Ltda, BR 6503 1299 339 514 Axtel, S.A.B. de C.V., MX 3816 1293 760 170 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1133 370 22 Telefonica del Peru S.A.A., PE 11664 1103 180 447 Techtel LMDS Comunicaciones Interactiva 26615 1028 2498 45 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 1559 393 19 LINKdotNET-AS, EG 24835 1541 533 30 RAYA-AS, EG 36992 1338 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1023 67 48 ORANGE-COTE-IVOIRE, CI 36935 872 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 535 54 47 WANANCHI-, KE 24757 488 73 5 EthioNet-AS, ET 37342 459 32 1 MOVITEL, MZ 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 11187 3343 585 Uninet S.A. de C.V., MX 9808 9458 8704 36 CHINAMOBILE-CN China Mobile Communicati 16509 8260 10782 2900 AMAZON-02, US 12479 7234 1705 149 UNI2-AS, ES 7545 5726 786 688 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 286 59 ALJAWWALSTC-AS, SA 11492 4541 301 607 CABLEONE, US 20940 4059 3399 163 AKAMAI-ASN1, NL 7155 3967 279 48 VIASAT-SP-BACKBONE, US 8551 3887 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 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 9458 9422 CHINAMOBILE-CN China Mobile Communications Grou 12479 7234 7085 UNI2-AS, ES 16509 8260 5360 AMAZON-02, US 7545 5726 5038 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4833 4774 ALJAWWALSTC-AS, SA 11492 4541 3934 CABLEONE, US 7155 3967 3919 VIASAT-SP-BACKBONE, US 20940 4059 3896 AKAMAI-ASN1, NL 8551 3887 3850 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3670 3649 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 3507 UNALLOCATED 5.105.166.0/24 213035 AS-SERVERION Serverion B.V., 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 12169 UNALLOCATED 8.15.207.0/24 3356 LEVEL3, 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 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.131.185.0/24 Origin: 174 COGENT-174, US 23.131.185.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 2914 NTT-LTD-2914, US 23.131.188.0/24 Origin: 174 COGENT-174, US 23.131.188.0/24 Transit: 2914 NTT-LTD-2914, US 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 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 /11:103 /12:299 /13:574 /14:1196 /15:2029 /16:13420 /17:8131 /18:13669 /19:24773 /20:42974 /21:50761 /22:108781 /23:96997 /24:546043 /25:0 /26:1 /27:1 /28:0 /29:1 /30:6 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6294 7234 UNI2-AS, ES 8151 5174 11187 Uninet S.A. de C.V., MX 39891 3632 4833 ALJAWWALSTC-AS, SA 11492 3450 4541 CABLEONE, US 8551 3359 3887 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3323 3514 SHAW, CA 7155 3039 3967 VIASAT-SP-BACKBONE, US 22773 2672 3591 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2150 2493 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2054 3500 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1670 2:1232 3:173 4:5 5:4486 6:127 7:6 8:1512 9:1 11:172 12:1549 13:391 14:2282 15:299 16:183 17:370 18:415 20:255 21:4 22:188 23:6206 24:2570 25:6 27:2491 29:19 31:2524 32:86 34:10 35:104 36:1943 37:4645 38:4466 39:811 40:151 41:3960 42:975 43:2311 44:308 45:16486 46:4232 47:356 49:1736 50:1823 51:571 52:1594 54:389 55:853 56:8 57:110 58:1682 59:1072 60:972 61:2469 62:2635 63:1922 64:5672 65:2316 66:4906 67:3014 68:1377 69:4150 70:1248 71:671 72:2972 74:2600 75:1467 76:606 77:2427 78:1850 79:3168 80:2096 81:1743 82:1481 83:1273 84:1515 85:2987 86:758 87:1985 88:1227 89:3610 90:612 91:7677 92:2063 93:2613 94:3589 95:4008 96:1328 97:336 98:1157 99:745 100:72 101:1302 102:2663 103:31216 104:4627 105:484 106:895 107:2526 108:1020 109:4409 110:2076 111:3155 112:2053 113:1498 114:1630 115:2008 116:1911 117:2559 118:2277 119:2009 120:1767 121:1047 122:2597 123:2110 124:1572 125:2470 128:1253 129:1046 130:1005 131:1974 132:800 133:422 134:1897 135:304 136:878 137:943 138:2556 139:1557 140:1234 141:1462 142:1426 143:1493 144:1160 145:345 146:1924 147:1568 148:2304 149:2080 150:871 151:1151 152:1839 153:488 154:4380 155:1432 156:1788 157:1311 158:1051 159:2283 160:2530 161:1515 162:3512 163:1506 164:1612 165:1707 166:1007 167:1732 168:3844 169:938 170:4615 171:872 172:3559 173:2928 174:1068 175:1157 176:3662 177:4578 178:3576 179:2129 180:2458 181:3416 182:3336 183:1930 184:2353 185:20136 186:4736 187:3960 188:4074 189:3515 190:9117 191:1429 192:10881 193:8839 194:7303 195:5134 196:3086 197:2350 198:5882 199:6088 200:7888 201:5841 202:10297 203:10198 204:4616 205:3538 206:4075 207:3397 208:4063 209:4870 210:4172 211:2396 212:4101 213:3543 214:1087 215:59 216:6634 217:2687 218:1267 219:406 220:1764 221:970 222:711 223:2152 End of report