IPv4 R&E Routing Table Report 20:15 GMT Fri 01 Mar, 2024 IPv4 BGP Table (R&E) as seen at KREONet2. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/KREONet2/ Analysis Summary ---------------- BGP routing table entries examined: 183821 Prefixes after maximum aggregation (per Origin AS): 80405 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 101333 Number of IPv4 prefixes with a valid ROA: 69206 Number of IPv4 prefixes with an invalid ROA: 23 Number of IPv4 prefixes with no ROA: 114592 Total ASes present in the Internet Routing Table: 15404 Prefixes per ASN: 11.93 Origin-only ASes present in the Internet Routing Table: 13317 Origin ASes announcing only one prefix: 6065 Transit ASes present in the Internet Routing Table: 2087 Transit-only ASes present in the Internet Routing Table: 567 Paths with bogon ASNs present in the IPv4 Routing Table: 4 Average AS path length visible in the Internet Routing Table: 5.7 Max AS path length visible: 28 Max AS path prepend of ASN ( 11816) 21 Prefixes from unregistered ASNs in the Routing Table: 220 Number of instances of unregistered ASNs: 220 Number of 32-bit ASNs allocated by the RIRs: 43732 Number of 32-bit ASNs visible in the Routing Table: 5519 Prefixes from 32-bit ASNs in the Routing Table: 18318 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 82 Number of addresses announced to Internet: 1035502649 Equivalent to 61 /8s, 184 /16s and 132 /24s Percentage of available address space announced: 28.0 Percentage of allocated address space announced: 28.0 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: 53675 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 29403 Total APNIC prefixes after maximum aggregation: 6894 APNIC Deaggregation factor: 4.27 Prefixes being announced from the APNIC address blocks: 29134 Unique aggregates announced from the APNIC address blocks: 8183 APNIC Region origin ASes present in the Internet Routing Table: 1122 APNIC Prefixes per ASN: 25.97 APNIC Region origin ASes announcing only one prefix: 453 APNIC Region transit ASes present in the Internet Routing Table: 188 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 491 Number of APNIC addresses announced to Internet: 171864712 Equivalent to 10 /8s, 62 /16s and 114 /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: 82266 Total ARIN prefixes after maximum aggregation: 44823 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 81143 Unique aggregates announced from the ARIN address blocks: 50507 ARIN Region origin ASes present in the Internet Routing Table: 7181 ARIN Prefixes per ASN: 11.30 ARIN Region origin ASes announcing only one prefix: 3068 ARIN Region transit ASes present in the Internet Routing Table: 638 Average ARIN Region AS path length visible: 5.4 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 1461 Number of ARIN addresses announced to Internet: 605450465 Equivalent to 36 /8s, 22 /16s and 112 /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: 35077 Total RIPE prefixes after maximum aggregation: 16481 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 35634 Unique aggregates announced from the RIPE address blocks: 23734 RIPE Region origin ASes present in the Internet Routing Table: 3254 RIPE Prefixes per ASN: 10.95 RIPE Region origin ASes announcing only one prefix: 1388 RIPE Region transit ASes present in the Internet Routing Table: 501 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1188 Number of RIPE addresses announced to Internet: 155783376 Equivalent to 9 /8s, 73 /16s and 16 /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 196608-216475 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: 31923 Total LACNIC prefixes after maximum aggregation: 10124 LACNIC Deaggregation factor: 3.15 Prefixes being announced from the LACNIC address blocks: 31671 Unique aggregates announced from the LACNIC address blocks: 15629 LACNIC Region origin ASes present in the Internet Routing Table: 2980 LACNIC Prefixes per ASN: 10.63 LACNIC Region origin ASes announcing only one prefix: 1070 LACNIC Region transit ASes present in the Internet Routing Table: 593 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2275 Number of LACNIC addresses announced to Internet: 73237248 Equivalent to 4 /8s, 93 /16s and 131 /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: 4932 Total AfriNIC prefixes after maximum aggregation: 1901 AfriNIC Deaggregation factor: 2.59 Prefixes being announced from the AfriNIC address blocks: 6157 Unique aggregates announced from the AfriNIC address blocks: 3200 AfriNIC Region origin ASes present in the Internet Routing Table: 209 AfriNIC Prefixes per ASN: 29.46 AfriNIC Region origin ASes announcing only one prefix: 86 AfriNIC Region transit ASes present in the Internet Routing Table: 62 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 104 Number of AfriNIC addresses announced to Internet: 29119232 Equivalent to 1 /8s, 188 /16s and 83 /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 9625 8739 51 CHINAMOBILE-CN China Mobile Communicati 56047 1470 188 34 CMNET-HUNAN-AP China Mobile communicati 56046 1450 874 110 CMNET-JIANGSU-AP China Mobile communica 56041 1436 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24547 778 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 761 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 2907 601 2162 465 SINET-AS Research Organization of Infor 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 7497 441 180 23 CSTNET-AS-AP Computer Network Informati 56040 434 488 105 CMNET-GUANGDONG-AP China Mobile communi Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 9681 11265 3343 AMAZON-02, US 749 3183 54927 2435 DNIC-AS-00749, US 367 2912 3648 1408 DNIC-ASBLK-00306-00371, US 11776 1856 256 219 ATLANTICBB-JOHNSTOWN, US 209 1707 4899 321 CENTURYLINK-US-LEGACY-QWEST, US 5972 1466 394 646 DNIC-ASBLK-05800-06055, US 4155 1311 85 1023 USDA-1, US 7979 993 66 197 SERVERS-COM, US 855 960 255 83 CANET-ASN-4, CA 16625 921 429 848 AKAMAI-AS, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 39891 4754 286 59 ALJAWWALSTC-AS, SA 20940 1323 111 1074 AKAMAI-ASN1, NL 3215 899 4811 303 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 721 60 22 Jordan Data Communications, JO 8452 586 1841 11 TE-AS TE-AS, EG 35819 472 481 52 MOBILY-AS Etihad Etisalat Company Mobil 51167 436 79 184 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 34984 417 61 342 TELLCOM-AS, TR Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 5352 1548 928 UNINET, MX 3816 1310 787 197 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1088 369 22 Telefonica del Peru S.A.A., PE 11830 1036 324 5 Instituto Costarricense de Electricidad 18881 986 1120 28 TELEFONICA BRASIL S.A, BR 11664 591 108 224 Techtel LMDS Comunicaciones Interactiva 26599 570 2941 45 TELEFONICA BRASIL S.A, BR 10620 515 69 430 Telmex Colombia S.A., CO 13999 483 70 209 Mega Cable, S.A. de C.V., MX 28343 307 58 93 UNIFIQUE TELECOMUNICACOES SA, BR Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 682 240 185 LINKdotNET-AS, EG 29571 476 35 243 ORANGE-COTE-IVOIRE, CI 36992 473 671 290 ETISALAT-MISR, EG 2018 381 319 71 TENET-1, ZA 36935 267 67 80 Vodafone-, EG 36914 205 82 3 KENET-AS, KE 24835 199 162 115 RAYA-AS, EG 327687 160 28 3 RENU, UG 37492 156 471 44 ORANGE-, TN 37693 145 595 51 TUNISIANA, TN Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 9681 11265 3343 AMAZON-02, US 9808 9625 8739 51 CHINAMOBILE-CN China Mobile Communicati 8151 5352 1548 928 UNINET, MX 39891 4754 286 59 ALJAWWALSTC-AS, SA 749 3183 54927 2435 DNIC-AS-00749, US 367 2912 3648 1408 DNIC-ASBLK-00306-00371, US 11776 1856 256 219 ATLANTICBB-JOHNSTOWN, US 209 1707 4899 321 CENTURYLINK-US-LEGACY-QWEST, US 56047 1470 188 34 CMNET-HUNAN-AP China Mobile communicati 5972 1466 394 646 DNIC-ASBLK-05800-06055, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9625 9574 CHINAMOBILE-CN China Mobile Communications Grou 39891 4754 4695 ALJAWWALSTC-AS, SA 8151 5352 4424 UNINET, MX 11776 1856 1637 ATLANTICBB-JOHNSTOWN, US 367 2912 1504 DNIC-ASBLK-00306-00371, US 56047 1470 1436 CMNET-HUNAN-AP China Mobile communications corp 209 1707 1386 CENTURYLINK-US-LEGACY-QWEST, US 56041 1436 1363 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1450 1340 CMNET-JIANGSU-AP China Mobile communications co 3816 1310 1113 COLOMBIA TELECOMUNICACIONES S.A. ESP, CO Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 33492 UNALLOCATED 8.6.184.0/23 3356 LEVEL3, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, US 30442 UNALLOCATED 12.155.208.0/24 7018 ATT-INTERNET4, US 32282 UNALLOCATED 12.162.231.0/24 7018 ATT-INTERNET4, US 32282 UNALLOCATED 12.162.235.0/24 7018 ATT-INTERNET4, US 13342 UNALLOCATED 12.180.92.0/22 7018 ATT-INTERNET4, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 1835 FSKNET-DK Forskningsnettet - Danish network for Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 41.74.44.0/24 Origin: 37544 RESERVED, ZZ 41.74.44.0/24 Transit: 15964 CAMNET-AS, CM 41.77.208.0/22 Origin: 37475 RESERVED, ZZ 41.77.208.0/22 Transit: 15964 CAMNET-AS, CM 41.78.60.0/22 Origin: 6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A 41.78.60.0/22 Transit: 2914 NTT-LTD-2914, US 41.78.204.0/22 Origin: 37475 RESERVED, ZZ 41.78.204.0/22 Transit: 15964 CAMNET-AS, CM Complete listing at https://bgp.nsrc.org/REN/KREONet2/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 /8:11 /9:4 /10:14 /11:27 /12:73 /13:111 /14:335 /15:671 /16:5365 /17:2526 /18:2594 /19:5367 /20:8644 /21:11059 /22:19581 /23:20213 /24:106968 /25:82 /26:51 /27:66 /28:19 /29:21 /30:14 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3436 4754 ALJAWWALSTC-AS, SA 8151 2940 5352 UNINET, MX 16509 2047 9681 AMAZON-02, US 209 963 1707 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1856 ATLANTICBB-JOHNSTOWN, US 11830 878 1036 Instituto Costarricense de Electricidad y Telec 6147 686 1088 Telefonica del Peru S.A.A., PE 19901 685 824 BRSPD-PUBLIC, US 8376 564 721 Jordan Data Communications, JO 7979 446 993 SERVERS-COM, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:8 2:454 3:274 5:1046 6:148 7:5 8:619 11:171 12:259 13:331 14:102 15:280 16:174 17:6 18:690 20:30 21:4 22:188 23:1836 24:392 25:2 27:22 29:19 31:144 32:1 34:3 35:53 36:1114 37:571 38:853 39:523 40:8 41:545 42:22 43:180 44:33 45:2271 46:563 47:101 49:10 50:248 51:473 52:1352 54:271 55:888 57:16 58:6 59:39 60:19 61:64 62:354 63:463 64:1501 65:817 66:1252 67:674 68:164 69:713 70:150 71:191 72:359 74:720 75:392 76:204 77:273 78:531 79:163 80:170 81:182 82:174 83:94 84:186 85:314 86:150 87:145 88:102 89:477 90:98 91:523 92:391 93:782 94:485 95:1081 96:165 97:30 98:124 99:146 100:22 101:25 102:182 103:1047 104:667 105:130 106:2 107:220 108:296 109:212 110:28 111:1747 112:447 113:41 114:31 115:10 116:34 117:946 118:51 119:95 120:1095 121:34 122:112 123:20 124:57 125:35 128:427 129:280 130:514 131:775 132:505 133:264 134:322 135:68 136:359 137:440 138:710 139:411 140:570 141:323 142:690 143:573 144:326 145:67 146:479 147:319 148:578 149:504 150:282 151:540 152:373 153:122 154:447 155:679 156:315 157:230 158:313 159:528 160:627 161:417 162:692 163:292 164:618 165:363 166:103 167:379 168:941 169:153 170:1204 171:62 172:893 173:616 174:107 175:38 176:400 177:699 178:327 179:484 180:51 181:1000 182:10 183:853 184:202 185:2191 186:1039 187:748 188:485 189:1078 190:2958 191:186 192:3676 193:1228 194:772 195:559 196:483 197:500 198:1899 199:3112 200:2718 201:2512 202:967 203:612 204:1752 205:1644 206:1129 207:1048 208:985 209:1391 210:343 211:422 212:710 213:590 214:1067 215:37 216:1682 217:306 218:515 219:29 220:31 221:294 222:23 223:626 End of report