IPv4 R&E Routing Table Report 23:05 GMT Sun 28 May, 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: 917684 Prefixes after maximum aggregation (per Origin AS): 348385 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 449752 Number of IPv4 prefixes with a valid ROA: 404271 Number of IPv4 prefixes with an invalid ROA: 1741 Number of IPv4 prefixes with no ROA: 511672 Total ASes present in the Internet Routing Table: 74302 Prefixes per ASN: 12.35 Origin-only ASes present in the Internet Routing Table: 63826 Origin ASes announcing only one prefix: 26246 Transit ASes present in the Internet Routing Table: 10476 Transit-only ASes present in the Internet Routing Table: 432 Paths with bogon ASNs present in the IPv4 Routing Table: 35 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 77 Max AS path prepend of ASN ( 37447) 75 Prefixes from unregistered ASNs in the Routing Table: 1078 Number of instances of unregistered ASNs: 1080 Number of 32-bit ASNs allocated by the RIRs: 41973 Number of 32-bit ASNs visible in the Routing Table: 34582 Prefixes from 32-bit ASNs in the Routing Table: 171439 Number of bogon 32-bit ASNs visible in the Routing Table: 12 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 584 Number of addresses announced to Internet: 3055236608 Equivalent to 182 /8s, 27 /16s and 54 /24s Percentage of available address space announced: 82.5 Percentage of allocated address space announced: 82.5 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: 307674 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 239963 Total APNIC prefixes after maximum aggregation: 68689 APNIC Deaggregation factor: 3.49 Prefixes being announced from the APNIC address blocks: 233983 Unique aggregates announced from the APNIC address blocks: 98237 APNIC Region origin ASes present in the Internet Routing Table: 13346 APNIC Prefixes per ASN: 17.53 APNIC Region origin ASes announcing only one prefix: 3940 APNIC Region transit ASes present in the Internet Routing Table: 1793 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8715 Number of APNIC addresses announced to Internet: 772821504 Equivalent to 46 /8s, 16 /16s and 82 /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, 131072-153913 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: 268489 Total ARIN prefixes after maximum aggregation: 122327 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 271375 Unique aggregates announced from the ARIN address blocks: 130441 ARIN Region origin ASes present in the Internet Routing Table: 19073 ARIN Prefixes per ASN: 14.23 ARIN Region origin ASes announcing only one prefix: 6994 ARIN Region transit ASes present in the Internet Routing Table: 1906 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4792 Number of ARIN addresses announced to Internet: 1280128512 Equivalent to 76 /8s, 77 /16s and 54 /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: 260197 Total RIPE prefixes after maximum aggregation: 122491 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 256054 Unique aggregates announced from the RIPE address blocks: 158759 RIPE Region origin ASes present in the Internet Routing Table: 28324 RIPE Prefixes per ASN: 9.04 RIPE Region origin ASes announcing only one prefix: 12052 RIPE Region transit ASes present in the Internet Routing Table: 3974 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 32 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11196 Number of RIPE addresses announced to Internet: 717806592 Equivalent to 42 /8s, 200 /16s and 220 /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: 118428 Total LACNIC prefixes after maximum aggregation: 28257 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 117634 Unique aggregates announced from the LACNIC address blocks: 49449 LACNIC Region origin ASes present in the Internet Routing Table: 10999 LACNIC Prefixes per ASN: 10.69 LACNIC Region origin ASes announcing only one prefix: 2651 LACNIC Region transit ASes present in the Internet Routing Table: 2278 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: 8789 Number of LACNIC addresses announced to Internet: 177040384 Equivalent to 10 /8s, 141 /16s and 108 /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: 29529 Total AfriNIC prefixes after maximum aggregation: 5842 AfriNIC Deaggregation factor: 5.05 Prefixes being announced from the AfriNIC address blocks: 38054 Unique aggregates announced from the AfriNIC address blocks: 12386 AfriNIC Region origin ASes present in the Internet Routing Table: 1740 AfriNIC Prefixes per ASN: 21.87 AfriNIC Region origin ASes announcing only one prefix: 609 AfriNIC Region transit ASes present in the Internet Routing Table: 331 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 77 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1090 Number of AfriNIC addresses announced to Internet: 107042048 Equivalent to 6 /8s, 97 /16s and 85 /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 9476 8705 37 CHINAMOBILE-CN China Mobile Communicati 7545 5718 784 692 TPG-INTERNET-AP TPG Telecom Limited, AU 18403 4179 347 25 FPT-AS-AP FPT Telecom Company, VN 7552 3674 1331 21 VIETEL-AS-AP Viettel Group, VN 7713 3568 1043 66 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3381 1856 97 VNPT-AS-VN VNPT Corp, VN 9498 2962 491 238 BBIL-AP BHARTI Airtel Ltd., IN 24560 2399 836 446 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2299 11252 587 KIXS-AS-KR Korea Telecom, KR 4755 2187 442 197 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 8301 10781 2998 AMAZON-02, US 11492 4525 300 605 CABLEONE, US 7155 4041 282 62 VIASAT-SP-BACKBONE, US 22773 3564 3052 270 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3526 1320 64 SHAW, CA 749 3100 54980 2352 DNIC-AS-00749, US 16625 3071 1541 2323 AKAMAI-AS, US 396982 2656 3592 373 GOOGLE-CLOUD-PLATFORM, US 30036 2505 361 423 MEDIACOM-ENTERPRISE-BUSINESS, US 7018 2473 24000 1553 ATT-INTERNET4, 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 7303 1707 141 UNI2-AS, ES 39891 4897 290 61 ALJAWWALSTC-AS, SA 20940 4093 3398 157 AKAMAI-ASN1, NL 8551 3882 369 34 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2893 2292 910 ROSTELECOM-AS, RU 9009 2657 247 1385 M247, RO 34984 2278 360 607 TELLCOM-AS, TR 6849 1958 307 17 UKRTELNET, UA 58224 1829 945 534 TCI, IR 61317 1649 110 1237 ASDETUK www.heficed.com, US 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 11331 3355 598 Uninet S.A. de C.V., MX 10620 3522 508 853 Telmex Colombia S.A., CO 13999 2362 364 629 Mega Cable, S.A. de C.V., MX 11830 2271 369 64 Instituto Costarricense de Electricidad 28573 1331 2324 238 Claro NXT Telecomunicacoes Ltda, BR 6503 1302 343 511 Axtel, S.A.B. de C.V., MX 3816 1295 762 171 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1134 370 22 Telefonica del Peru S.A.A., PE 11664 1095 180 440 Techtel LMDS Comunicaciones Interactiva 26615 1039 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 1573 393 19 LINKdotNET-AS, EG 24835 1538 533 29 RAYA-AS, EG 36992 1341 1518 275 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1030 67 47 ORANGE-COTE-IVOIRE, CI 36935 917 520 42 Vodafone-, EG 6713 550 1861 34 IAM-AS, MA 15399 519 54 46 WANANCHI-, KE 24757 491 73 5 EthioNet-AS, ET 37342 484 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 11331 3355 598 Uninet S.A. de C.V., MX 9808 9476 8705 37 CHINAMOBILE-CN China Mobile Communicati 16509 8301 10781 2998 AMAZON-02, US 12479 7303 1707 141 UNI2-AS, ES 7545 5718 784 692 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 290 61 ALJAWWALSTC-AS, SA 11492 4525 300 605 CABLEONE, US 18403 4179 347 25 FPT-AS-AP FPT Telecom Company, VN 20940 4093 3398 157 AKAMAI-ASN1, NL 7155 4041 282 62 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 9476 9439 CHINAMOBILE-CN China Mobile Communications Grou 12479 7303 7162 UNI2-AS, ES 16509 8301 5303 AMAZON-02, US 7545 5718 5026 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4897 4836 ALJAWWALSTC-AS, SA 18403 4179 4154 FPT-AS-AP FPT Telecom Company, VN 7155 4041 3979 VIASAT-SP-BACKBONE, US 20940 4093 3936 AKAMAI-ASN1, NL 11492 4525 3920 CABLEONE, US 8551 3882 3848 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 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 2.57.241.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.49.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.69.0/24 213035 AS-SERVERION Serverion B.V., 3507 UNALLOCATED 5.105.206.0/24 213035 AS-SERVERION Serverion B.V., 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 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 Complete listing at https://bgp.nsrc.org/REN/Singapore/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.139.232.0/24 Origin: 211619 MAXKO, HR 23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov 23.140.216.0/24 Origin: 27176 DATAWAGON, US 23.140.216.0/24 Transit: 20278 NEXEON, 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 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 /9:14 /10:38 /11:103 /12:301 /13:579 /14:1198 /15:2089 /16:13427 /17:8137 /18:13718 /19:24790 /20:42929 /21:51008 /22:109177 /23:97761 /24:552390 /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 6381 7303 UNI2-AS, ES 8151 5282 11331 Uninet S.A. de C.V., MX 39891 3632 4897 ALJAWWALSTC-AS, SA 11492 3434 4525 CABLEONE, US 8551 3355 3882 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3335 3526 SHAW, CA 7155 3064 4041 VIASAT-SP-BACKBONE, US 22773 2635 3564 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2161 2505 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2075 3522 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) ---------------------------------------------- 1:2143 2:1306 3:181 4:5 5:4540 6:128 7:6 8:1512 9:1 11:172 12:1537 13:385 14:2298 15:304 16:189 17:370 18:422 20:258 21:4 22:188 23:6296 24:2589 25:6 27:2499 29:19 31:2497 32:77 34:21 35:108 36:1967 37:4654 38:4669 39:844 40:151 41:3953 42:1963 43:2336 44:311 45:16481 46:4324 47:358 49:1744 50:1857 51:584 52:1591 54:392 55:842 56:8 57:116 58:1818 59:1067 60:987 61:2521 62:2687 63:1917 64:5664 65:2307 66:4993 67:2921 68:1344 69:4131 70:1201 71:670 72:2996 74:2599 75:1554 76:606 77:2420 78:1810 79:3193 80:2145 81:1778 82:1506 83:1263 84:1518 85:2989 86:764 87:2023 88:1161 89:3686 90:614 91:7748 92:2059 93:2602 94:3606 95:4026 96:1303 97:336 98:1092 99:745 100:69 101:1311 102:2757 103:31346 104:4674 105:504 106:939 107:2587 108:1042 109:4409 110:2090 111:3112 112:2033 113:1729 114:1645 115:1996 116:1887 117:2544 118:2614 119:2005 120:1796 121:1064 122:2584 123:2129 124:1568 125:2462 128:1402 129:1046 130:1010 131:1973 132:850 133:422 134:1913 135:306 136:880 137:950 138:2572 139:1538 140:1243 141:1428 142:1440 143:1533 144:1149 145:346 146:1940 147:1588 148:2358 149:2249 150:874 151:1151 152:1928 153:491 154:4489 155:1439 156:1780 157:1321 158:1077 159:2233 160:2553 161:1545 162:3526 163:1525 164:1609 165:1781 166:1091 167:1737 168:3860 169:945 170:4590 171:900 172:3571 173:2954 174:1045 175:1170 176:3689 177:4692 178:3577 179:2227 180:2549 181:3496 182:3350 183:2086 184:2339 185:20260 186:4796 187:4028 188:4103 189:3657 190:9166 191:1469 192:10936 193:8871 194:7289 195:5129 196:3198 197:2374 198:5888 199:6081 200:7919 201:5906 202:10376 203:10269 204:4555 205:3584 206:4202 207:3396 208:4086 209:4864 210:4163 211:2436 212:4192 213:3617 214:1078 215:59 216:6661 217:2721 218:1268 219:410 220:1757 221:969 222:710 223:2149 End of report