IPv4 R&E Routing Table Report 23:05 GMT Fri 09 Sep, 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: 893312 Prefixes after maximum aggregation (per Origin AS): 339644 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 439177 Number of IPv4 prefixes with a valid ROA: 349433 Number of IPv4 prefixes with an invalid ROA: 1524 Number of IPv4 prefixes with no ROA: 542355 Total ASes present in the Internet Routing Table: 73468 Prefixes per ASN: 12.16 Origin-only ASes present in the Internet Routing Table: 63112 Origin ASes announcing only one prefix: 26015 Transit ASes present in the Internet Routing Table: 10356 Transit-only ASes present in the Internet Routing Table: 399 Paths with bogon ASNs present in the IPv4 Routing Table: 31 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: 975 Number of instances of unregistered ASNs: 975 Number of 32-bit ASNs allocated by the RIRs: 40142 Number of 32-bit ASNs visible in the Routing Table: 33275 Prefixes from 32-bit ASNs in the Routing Table: 159648 Number of bogon 32-bit ASNs visible in the Routing Table: 5 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 509 Number of addresses announced to Internet: 3067906304 Equivalent to 182 /8s, 220 /16s and 137 /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: 300231 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231134 Total APNIC prefixes after maximum aggregation: 66871 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 226104 Unique aggregates announced from the APNIC address blocks: 96346 APNIC Region origin ASes present in the Internet Routing Table: 12856 APNIC Prefixes per ASN: 17.59 APNIC Region origin ASes announcing only one prefix: 3716 APNIC Region transit ASes present in the Internet Routing Table: 1750 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8150 Number of APNIC addresses announced to Internet: 772975872 Equivalent to 46 /8s, 18 /16s and 173 /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: 263737 Total ARIN prefixes after maximum aggregation: 120591 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 264273 Unique aggregates announced from the ARIN address blocks: 128033 ARIN Region origin ASes present in the Internet Routing Table: 18999 ARIN Prefixes per ASN: 13.91 ARIN Region origin ASes announcing only one prefix: 6951 ARIN Region transit ASes present in the Internet Routing Table: 1856 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: 4593 Number of ARIN addresses announced to Internet: 1293360128 Equivalent to 77 /8s, 23 /16s and 28 /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: 252564 Total RIPE prefixes after maximum aggregation: 118194 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249726 Unique aggregates announced from the RIPE address blocks: 153489 RIPE Region origin ASes present in the Internet Routing Table: 28172 RIPE Prefixes per ASN: 8.86 RIPE Region origin ASes announcing only one prefix: 12061 RIPE Region transit ASes present in the Internet Routing Table: 4017 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: 10802 Number of RIPE addresses announced to Internet: 717323008 Equivalent to 42 /8s, 193 /16s and 123 /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: 116429 Total LACNIC prefixes after maximum aggregation: 27677 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 116030 Unique aggregates announced from the LACNIC address blocks: 48963 LACNIC Region origin ASes present in the Internet Routing Table: 10974 LACNIC Prefixes per ASN: 10.57 LACNIC Region origin ASes announcing only one prefix: 2691 LACNIC Region transit ASes present in the Internet Routing Table: 2223 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: 8716 Number of LACNIC addresses announced to Internet: 176236800 Equivalent to 10 /8s, 129 /16s and 41 /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: 28473 Total AfriNIC prefixes after maximum aggregation: 5567 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 36670 Unique aggregates announced from the AfriNIC address blocks: 11910 AfriNIC Region origin ASes present in the Internet Routing Table: 1685 AfriNIC Prefixes per ASN: 21.76 AfriNIC Region origin ASes announcing only one prefix: 596 AfriNIC Region transit ASes present in the Internet Routing Table: 327 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: 1014 Number of AfriNIC addresses announced to Internet: 107728384 Equivalent to 6 /8s, 107 /16s and 206 /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 9084 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5930 789 697 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3586 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3513 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3376 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2439 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2231 11123 595 KIXS-AS-KR Korea Telecom, KR 24560 2195 851 411 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2143 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2121 424 212 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 7101 10472 2811 AMAZON-02, US 11492 4577 303 535 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3806 3067 352 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3507 1812 2523 AKAMAI-AS, US 6327 3472 1319 63 SHAW, CA 749 3034 50728 2292 DNIC-AS-00749, US 30036 2608 369 261 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2533 3387 365 GOOGLE-CLOUD-PLATFORM, US 209 2360 4936 405 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 6931 1730 144 UNI2-AS, ES 20940 4042 3359 192 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3987 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2888 2290 909 ROSTELECOM-AS, RU 6849 2759 355 21 UKRTELNET, UA 9009 2603 252 1342 M247, GB 34984 2267 359 635 TELLCOM-AS, TR 58224 1764 929 508 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 10927 3393 555 Uninet S.A. de C.V., MX 10620 3497 515 789 Telmex Colombia S.A., CO 11830 2334 369 64 Instituto Costarricense de Electricidad 13999 1986 323 508 Mega Cable, S.A. de C.V., MX 28573 1362 2328 264 Claro NXT Telecomunicacoes Ltda, BR 6503 1290 338 521 Axtel, S.A.B. de C.V., MX 3816 1275 701 149 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1133 369 21 Telefonica del Peru S.A.A., PE 11664 1057 179 466 Techtel LMDS Comunicaciones Interactiva 26615 984 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 1598 393 21 LINKdotNET-AS, EG 24835 1520 521 31 RAYA-AS, EG 36992 1348 1519 268 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 981 68 38 ORANGE-COTE-IVOIRE, CI 36935 810 520 42 Vodafone-, EG 6713 611 1863 34 IAM-AS, MA 15399 521 52 39 WANANCHI-, KE 37342 481 32 1 MOVITEL, MZ 23889 401 232 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 10927 3393 555 Uninet S.A. de C.V., MX 9808 9084 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7101 10472 2811 AMAZON-02, US 12479 6931 1730 144 UNI2-AS, ES 7545 5930 789 697 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4577 303 535 CABLEONE, US 20940 4042 3359 192 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3987 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3898 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 9084 9037 CHINAMOBILE-CN China Mobile Communications Grou 12479 6931 6787 UNI2-AS, ES 7545 5930 5233 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7101 4290 AMAZON-02, US 11492 4577 4042 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3987 3949 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7155 3898 3866 VIASAT-SP-BACKBONE, US 20940 4042 3850 AKAMAI-ASN1, NL 7552 3586 3566 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 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 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 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 23.133.251.0/24 Origin: 54681 RTT-BEACON, US 23.133.251.0/24 Transit: 62513 GOCODEIT-INC, CA 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 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 /12:298 /13:589 /14:1205 /15:2098 /16:13468 /17:8268 /18:13787 /19:24686 /20:43174 /21:50855 /22:107840 /23:95753 /24:531117 /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 5918 6931 UNI2-AS, ES 8151 4660 10927 Uninet S.A. de C.V., MX 11492 3494 4577 CABLEONE, US 8551 3451 3987 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3282 3472 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2822 3806 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2616 2759 UKRTELNET, UA 30036 2265 2608 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1939 2:1026 3:162 4:5 5:3883 6:116 7:6 8:1542 9:1 11:172 12:1633 13:340 14:2359 15:258 16:51 17:361 18:271 20:244 21:4 22:188 23:5925 24:2423 25:6 27:2659 29:19 31:2415 32:90 34:7 35:89 36:1880 37:4495 38:3498 39:739 40:155 41:3911 42:1132 43:2207 44:290 45:16105 46:4162 47:301 49:1712 50:1931 51:240 52:1488 54:384 55:766 56:8 57:63 58:1722 59:1110 60:982 61:2299 62:2547 63:1912 64:5573 65:2298 66:4859 67:2975 68:1205 69:4139 70:1301 71:683 72:3025 74:2632 75:1420 76:580 77:2260 78:1865 79:3131 80:2068 81:1654 82:1497 83:1204 84:1370 85:2928 86:727 87:1908 88:1154 89:3424 90:567 91:7634 92:2046 93:2537 94:3531 95:3851 96:1308 97:351 98:1032 99:720 100:75 101:1298 102:2320 103:29848 104:4539 105:472 106:890 107:2546 108:883 109:4321 110:1993 111:3288 112:2044 113:1481 114:1489 115:1979 116:1883 117:2481 118:2321 119:1822 120:1707 121:1007 122:2516 123:2091 124:1546 125:2081 128:1178 129:1012 130:998 131:2046 132:810 133:377 134:1934 135:297 136:866 137:873 138:2527 139:1510 140:944 141:1469 142:1334 143:1417 144:1197 145:342 146:1839 147:1508 148:2195 149:1812 150:857 151:1083 152:1928 153:466 154:3810 155:1448 156:1745 157:1282 158:1035 159:2190 160:2528 161:1326 162:3488 163:1405 164:1631 165:1650 166:782 167:1762 168:3791 169:868 170:4522 171:844 172:3345 173:3112 174:1019 175:1157 176:3599 177:4743 178:3574 179:2161 180:2365 181:3252 182:3193 183:1934 184:2366 185:19656 186:4609 187:3896 188:3998 189:3446 190:8997 191:1456 192:10969 193:8663 194:7116 195:5050 196:3033 197:2457 198:5940 199:6014 200:7608 201:5803 202:10122 203:9992 204:4498 205:3455 206:3704 207:3387 208:4035 209:4698 210:4167 211:2289 212:4029 213:3471 214:1114 215:66 216:6368 217:2623 218:1269 219:400 220:1752 221:977 222:659 223:1974 End of report