IPv4 R&E Routing Table Report 23:05 GMT Thu 14 Jul, 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: 888400 Prefixes after maximum aggregation (per Origin AS): 337655 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 436395 Number of IPv4 prefixes with a valid ROA: 335943 Number of IPv4 prefixes with an invalid ROA: 1306 Number of IPv4 prefixes with no ROA: 551151 Total ASes present in the Internet Routing Table: 73229 Prefixes per ASN: 12.13 Origin-only ASes present in the Internet Routing Table: 62858 Origin ASes announcing only one prefix: 25881 Transit ASes present in the Internet Routing Table: 10371 Transit-only ASes present in the Internet Routing Table: 406 Paths with bogon ASNs present in the IPv4 Routing Table: 34 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 969 Number of instances of unregistered ASNs: 973 Number of 32-bit ASNs allocated by the RIRs: 39791 Number of 32-bit ASNs visible in the Routing Table: 32960 Prefixes from 32-bit ASNs in the Routing Table: 156668 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 508 Number of addresses announced to Internet: 3066645504 Equivalent to 182 /8s, 201 /16s and 76 /24s Percentage of available address space announced: 82.8 Percentage of allocated address space announced: 82.8 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: 299014 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229341 Total APNIC prefixes after maximum aggregation: 66354 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224460 Unique aggregates announced from the APNIC address blocks: 95580 APNIC Region origin ASes present in the Internet Routing Table: 12704 APNIC Prefixes per ASN: 17.67 APNIC Region origin ASes announcing only one prefix: 3667 APNIC Region transit ASes present in the Internet Routing Table: 1733 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7986 Number of APNIC addresses announced to Internet: 772284928 Equivalent to 46 /8s, 8 /16s and 34 /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: 262726 Total ARIN prefixes after maximum aggregation: 120204 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 262946 Unique aggregates announced from the ARIN address blocks: 127075 ARIN Region origin ASes present in the Internet Routing Table: 18964 ARIN Prefixes per ASN: 13.87 ARIN Region origin ASes announcing only one prefix: 6921 ARIN Region transit ASes present in the Internet Routing Table: 1868 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: 4539 Number of ARIN addresses announced to Internet: 1295805184 Equivalent to 77 /8s, 60 /16s and 107 /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: 251637 Total RIPE prefixes after maximum aggregation: 117435 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 248993 Unique aggregates announced from the RIPE address blocks: 152794 RIPE Region origin ASes present in the Internet Routing Table: 28154 RIPE Prefixes per ASN: 8.84 RIPE Region origin ASes announcing only one prefix: 12056 RIPE Region transit ASes present in the Internet Routing Table: 4024 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10753 Number of RIPE addresses announced to Internet: 714145792 Equivalent to 42 /8s, 145 /16s and 0 /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: 115634 Total LACNIC prefixes after maximum aggregation: 27436 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 115386 Unique aggregates announced from the LACNIC address blocks: 48736 LACNIC Region origin ASes present in the Internet Routing Table: 10967 LACNIC Prefixes per ASN: 10.52 LACNIC Region origin ASes announcing only one prefix: 2658 LACNIC Region transit ASes present in the Internet Routing Table: 2240 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: 176462080 Equivalent to 10 /8s, 132 /16s and 153 /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: 28093 Total AfriNIC prefixes after maximum aggregation: 5500 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 36107 Unique aggregates announced from the AfriNIC address blocks: 11783 AfriNIC Region origin ASes present in the Internet Routing Table: 1658 AfriNIC Prefixes per ASN: 21.78 AfriNIC Region origin ASes announcing only one prefix: 579 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: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 986 Number of AfriNIC addresses announced to Internet: 107654656 Equivalent to 6 /8s, 106 /16s and 174 /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 9005 8882 46 CHINAMOBILE-CN China Mobile Communicati 7545 5919 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3571 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3508 1042 59 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3424 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2428 499 239 BBIL-AP BHARTI Airtel Ltd., IN 4766 2255 11123 595 KIXS-AS-KR Korea Telecom, KR 45090 2139 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2124 425 217 TATACOMM-AS TATA Communications formerl 24560 2118 849 407 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 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 6761 10390 2668 AMAZON-02, US 11492 4515 299 656 CABLEONE, US 7155 3903 265 32 VIASAT-SP-BACKBONE, US 22773 3849 3070 356 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3473 1789 2511 AKAMAI-AS, US 6327 3438 1319 63 SHAW, CA 749 2996 50735 2254 DNIC-AS-00749, US 30036 2628 374 157 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2512 3359 359 GOOGLE-CLOUD-PLATFORM, US 209 2392 4936 411 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 6861 1730 144 UNI2-AS, ES 8551 4009 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3996 3360 195 AKAMAI-ASN1, NL 12389 2881 2287 906 ROSTELECOM-AS, RU 6849 2863 355 21 UKRTELNET, UA 9009 2566 253 1333 M247, GB 34984 2250 358 638 TELLCOM-AS, TR 58224 1770 932 573 TCI, IR 61317 1629 115 1067 ASDETUK www.heficed.com, GB 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 10772 3395 558 Uninet S.A. de C.V., MX 10620 3475 514 774 Telmex Colombia S.A., CO 11830 2425 369 64 Instituto Costarricense de Electricidad 13999 1929 318 507 Mega Cable, S.A. de C.V., MX 28573 1364 2331 269 Claro NXT Telecomunicacoes Ltda, BR 6503 1291 338 521 Axtel, S.A.B. de C.V., MX 3816 1261 683 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1078 369 21 Telefonica del Peru S.A.A., PE 11664 997 179 460 Techtel LMDS Comunicaciones Interactiva 26615 978 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 1607 393 21 LINKdotNET-AS, EG 24835 1546 521 31 RAYA-AS, EG 36992 1317 1519 271 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 965 65 45 ORANGE-COTE-IVOIRE, CI 36935 789 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 516 52 37 WANANCHI-, KE 37342 462 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 10772 3395 558 Uninet S.A. de C.V., MX 9808 9005 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6861 1730 144 UNI2-AS, ES 16509 6761 10390 2668 AMAZON-02, US 7545 5919 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4515 299 656 CABLEONE, US 8551 4009 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3996 3360 195 AKAMAI-ASN1, NL 7155 3903 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 9005 8959 CHINAMOBILE-CN China Mobile Communications Grou 12479 6861 6717 UNI2-AS, ES 7545 5919 5227 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6761 4093 AMAZON-02, US 8551 4009 3970 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 7155 3903 3871 VIASAT-SP-BACKBONE, US 11492 4515 3859 CABLEONE, US 20940 3996 3801 AKAMAI-ASN1, NL 7552 3571 3552 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 23.141.0.0/24 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 41.57.124.0/24 Origin: 37442 UNASSIGNED 41.57.124.0/24 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 /10:39 /11:100 /12:302 /13:588 /14:1201 /15:2095 /16:13491 /17:8253 /18:13769 /19:24732 /20:43047 /21:50749 /22:107505 /23:95243 /24:527251 /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 5842 6861 UNI2-AS, ES 8151 4507 10772 Uninet S.A. de C.V., MX 8551 3472 4009 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3419 4515 CABLEONE, US 6327 3248 3438 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2992 3903 VIASAT-SP-BACKBONE, US 22773 2866 3849 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2715 2863 UKRTELNET, UA 30036 2286 2628 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1919 2:1035 3:157 4:5 5:3826 6:110 7:6 8:1521 9:1 11:172 12:1645 13:344 14:2337 15:232 16:44 17:383 18:179 20:242 21:4 22:188 23:5786 24:2369 25:6 27:2609 29:19 31:2433 32:92 34:7 35:87 36:1835 37:4472 38:3268 39:713 40:152 41:3903 42:1117 43:2201 44:290 45:15991 46:4161 47:298 49:1692 50:1947 51:237 52:1452 54:384 55:847 56:8 57:60 58:1723 59:1109 60:960 61:2270 62:2519 63:1928 64:5585 65:2332 66:4851 67:2960 68:1193 69:4151 70:1315 71:681 72:3027 74:2628 75:1395 76:577 77:2226 78:1875 79:3128 80:1998 81:1629 82:1486 83:1207 84:1316 85:2960 86:726 87:1898 88:1168 89:3343 90:540 91:7586 92:2017 93:2547 94:3493 95:3860 96:1327 97:352 98:1014 99:752 100:77 101:1267 102:2176 103:29377 104:4522 105:468 106:875 107:2546 108:855 109:4312 110:1972 111:3274 112:2035 113:1468 114:1472 115:1970 116:1887 117:2427 118:2310 119:1836 120:1670 121:1026 122:2520 123:2081 124:1540 125:2043 128:1169 129:1047 130:975 131:2037 132:811 133:377 134:1938 135:305 136:891 137:856 138:2454 139:1515 140:926 141:1445 142:1297 143:1416 144:1207 145:354 146:1803 147:1524 148:2206 149:1731 150:898 151:1066 152:1853 153:465 154:3652 155:1439 156:1675 157:1263 158:1038 159:2234 160:2496 161:1256 162:3466 163:1293 164:1635 165:1635 166:764 167:1745 168:3783 169:879 170:4552 171:835 172:3287 173:3133 174:1019 175:1151 176:3582 177:4730 178:3547 179:2178 180:2363 181:3212 182:3214 183:1937 184:2344 185:19636 186:4366 187:3795 188:3972 189:3399 190:8909 191:1465 192:10947 193:8647 194:7053 195:4976 196:3033 197:2418 198:5934 199:6014 200:7469 201:5836 202:10120 203:10006 204:4520 205:3474 206:3678 207:3338 208:4005 209:4663 210:4152 211:2308 212:4025 213:3447 214:1142 215:67 216:6477 217:2628 218:1272 219:407 220:1734 221:963 222:657 223:1952 End of report