IPv4 R&E Routing Table Report 23:05 GMT Sat 27 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: 892218 Prefixes after maximum aggregation (per Origin AS): 339083 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 438303 Number of IPv4 prefixes with a valid ROA: 347734 Number of IPv4 prefixes with an invalid ROA: 1396 Number of IPv4 prefixes with no ROA: 543088 Total ASes present in the Internet Routing Table: 73368 Prefixes per ASN: 12.16 Origin-only ASes present in the Internet Routing Table: 62997 Origin ASes announcing only one prefix: 25957 Transit ASes present in the Internet Routing Table: 10371 Transit-only ASes present in the Internet Routing Table: 398 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: 935 Number of instances of unregistered ASNs: 935 Number of 32-bit ASNs allocated by the RIRs: 40067 Number of 32-bit ASNs visible in the Routing Table: 33173 Prefixes from 32-bit ASNs in the Routing Table: 158528 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: 504 Number of addresses announced to Internet: 3067849216 Equivalent to 182 /8s, 219 /16s and 170 /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: 299959 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 230920 Total APNIC prefixes after maximum aggregation: 66700 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 226028 Unique aggregates announced from the APNIC address blocks: 96119 APNIC Region origin ASes present in the Internet Routing Table: 12811 APNIC Prefixes per ASN: 17.64 APNIC Region origin ASes announcing only one prefix: 3703 APNIC Region transit ASes present in the Internet Routing Table: 1748 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: 8107 Number of APNIC addresses announced to Internet: 772527872 Equivalent to 46 /8s, 11 /16s and 215 /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: 263149 Total ARIN prefixes after maximum aggregation: 120301 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 263543 Unique aggregates announced from the ARIN address blocks: 127604 ARIN Region origin ASes present in the Internet Routing Table: 18982 ARIN Prefixes per ASN: 13.88 ARIN Region origin ASes announcing only one prefix: 6923 ARIN Region transit ASes present in the Internet Routing Table: 1860 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: 4578 Number of ARIN addresses announced to Internet: 1293606144 Equivalent to 77 /8s, 26 /16s and 221 /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: 252655 Total RIPE prefixes after maximum aggregation: 118142 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249862 Unique aggregates announced from the RIPE address blocks: 153307 RIPE Region origin ASes present in the Internet Routing Table: 28167 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12057 RIPE Region transit ASes present in the Internet Routing Table: 4026 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: 10785 Number of RIPE addresses announced to Internet: 717280512 Equivalent to 42 /8s, 192 /16s and 213 /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: 116199 Total LACNIC prefixes after maximum aggregation: 27653 LACNIC Deaggregation factor: 4.20 Prefixes being announced from the LACNIC address blocks: 115828 Unique aggregates announced from the LACNIC address blocks: 48949 LACNIC Region origin ASes present in the Internet Routing Table: 10965 LACNIC Prefixes per ASN: 10.56 LACNIC Region origin ASes announcing only one prefix: 2691 LACNIC Region transit ASes present in the Internet Routing Table: 2235 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: 8694 Number of LACNIC addresses announced to Internet: 176347392 Equivalent to 10 /8s, 130 /16s and 217 /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: 28360 Total AfriNIC prefixes after maximum aggregation: 5565 AfriNIC Deaggregation factor: 5.10 Prefixes being announced from the AfriNIC address blocks: 36453 Unique aggregates announced from the AfriNIC address blocks: 11894 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: 325 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: 1009 Number of AfriNIC addresses announced to Internet: 107805696 Equivalent to 6 /8s, 108 /16s and 252 /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 9110 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 2125 424 213 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 6896 10411 2736 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 6327 3451 1319 63 SHAW, CA 16625 3445 1775 2486 AKAMAI-AS, US 749 3036 50728 2294 DNIC-AS-00749, US 30036 2607 370 242 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2529 3387 364 GOOGLE-CLOUD-PLATFORM, US 209 2364 4936 406 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 4058 3360 195 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 4000 374 39 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 1768 927 523 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 10884 3393 559 Uninet S.A. de C.V., MX 10620 3506 516 778 Telmex Colombia S.A., CO 11830 2343 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 18881 974 1120 27 TELEFONICA BRASIL S.A, 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 1546 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 611 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 10884 3393 559 Uninet S.A. de C.V., MX 9808 9110 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 6896 10411 2736 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 4058 3360 195 AKAMAI-ASN1, NL 39891 4006 234 46 ALJAWWALSTC-AS, SA 8551 4000 374 39 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 9110 9063 CHINAMOBILE-CN China Mobile Communications Grou 12479 6873 6729 UNI2-AS, ES 7545 5921 5225 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6896 4160 AMAZON-02, US 8551 4000 3961 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4006 3960 ALJAWWALSTC-AS, SA 11492 4537 3957 CABLEONE, US 7155 3906 3874 VIASAT-SP-BACKBONE, US 20940 4058 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 /16:13507 /17:8279 /18:13819 /19:24769 /20:43140 /21:50853 /22:107762 /23:95818 /24:529901 /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 4612 10884 Uninet S.A. de C.V., MX 8551 3458 4000 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 2263 2607 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/Singapore/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1952 2:1023 3:157 4:5 5:3862 6:114 7:6 8:1550 9:1 11:172 12:1647 13:334 14:2355 15:245 16:47 17:377 18:198 20:243 21:4 22:188 23:5890 24:2401 25:6 27:2634 29:19 31:2413 32:92 34:7 35:87 36:1872 37:4461 38:3441 39:723 40:148 41:3938 42:1132 43:2213 44:288 45:16105 46:4150 47:301 49:1713 50:1952 51:239 52:1468 54:384 55:843 56:8 57:61 58:1721 59:1111 60:975 61:2288 62:2539 63:1920 64:5558 65:2358 66:4834 67:2955 68:1205 69:4143 70:1313 71:681 72:3023 74:2630 75:1403 76:586 77:2256 78:1908 79:3121 80:2040 81:1635 82:1486 83:1208 84:1365 85:2982 86:736 87:1904 88:1177 89:3420 90:547 91:7632 92:2038 93:2543 94:3530 95:3880 96:1299 97:351 98:1026 99:722 100:77 101:1289 102:2281 103:29761 104:4555 105:469 106:885 107:2476 108:871 109:4325 110:2000 111:3290 112:2055 113:1476 114:1480 115:1985 116:1913 117:2476 118:2327 119:1816 120:1763 121:1008 122:2518 123:2074 124:1538 125:2074 128:1167 129:1029 130:1004 131:2037 132:803 133:378 134:1931 135:300 136:858 137:876 138:2506 139:1507 140:937 141:1456 142:1332 143:1402 144:1199 145:341 146:1844 147:1508 148:2207 149:1783 150:861 151:1078 152:1866 153:465 154:3662 155:1420 156:1721 157:1275 158:1036 159:2195 160:2515 161:1324 162:3498 163:1375 164:1627 165:1646 166:745 167:1774 168:3790 169:882 170:4508 171:842 172:3341 173:3125 174:1020 175:1154 176:3609 177:4725 178:3578 179:2188 180:2369 181:3238 182:3191 183:1935 184:2373 185:19652 186:4533 187:3851 188:3977 189:3423 190:8989 191:1449 192:10960 193:8677 194:7089 195:5038 196:3040 197:2437 198:5940 199:5982 200:7552 201:5790 202:10104 203:10000 204:4505 205:3352 206:3685 207:3392 208:4035 209:4687 210:4130 211:2295 212:4030 213:3472 214:1109 215:65 216:6374 217:2638 218:1268 219:406 220:1748 221:948 222:655 223:1968 End of report