IPv4 R&E Routing Table Report 20:15 GMT Fri 22 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: 183558 Prefixes after maximum aggregation (per Origin AS): 80050 Deaggregation factor: 2.29 Unique aggregates announced (without unneeded subnets): 100362 Number of IPv4 prefixes with a valid ROA: 70189 Number of IPv4 prefixes with an invalid ROA: 19 Number of IPv4 prefixes with no ROA: 113350 Total ASes present in the Internet Routing Table: 15513 Prefixes per ASN: 11.83 Origin-only ASes present in the Internet Routing Table: 13415 Origin ASes announcing only one prefix: 6096 Transit ASes present in the Internet Routing Table: 2098 Transit-only ASes present in the Internet Routing Table: 570 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 ( 28683) 24 Prefixes from unregistered ASNs in the Routing Table: 227 Number of instances of unregistered ASNs: 227 Number of 32-bit ASNs allocated by the RIRs: 43889 Number of 32-bit ASNs visible in the Routing Table: 5618 Prefixes from 32-bit ASNs in the Routing Table: 18659 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: 101 Number of addresses announced to Internet: 1027226809 Equivalent to 61 /8s, 58 /16s and 60 /24s Percentage of available address space announced: 27.7 Percentage of allocated address space announced: 27.7 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: 53627 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28768 Total APNIC prefixes after maximum aggregation: 6514 APNIC Deaggregation factor: 4.42 Prefixes being announced from the APNIC address blocks: 28437 Unique aggregates announced from the APNIC address blocks: 7530 APNIC Region origin ASes present in the Internet Routing Table: 1091 APNIC Prefixes per ASN: 26.07 APNIC Region origin ASes announcing only one prefix: 432 APNIC Region transit ASes present in the Internet Routing Table: 176 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: 469 Number of APNIC addresses announced to Internet: 157641608 Equivalent to 9 /8s, 101 /16s and 107 /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: 82521 Total ARIN prefixes after maximum aggregation: 44807 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 81429 Unique aggregates announced from the ARIN address blocks: 50596 ARIN Region origin ASes present in the Internet Routing Table: 7182 ARIN Prefixes per ASN: 11.34 ARIN Region origin ASes announcing only one prefix: 3064 ARIN Region transit ASes present in the Internet Routing Table: 645 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: 1463 Number of ARIN addresses announced to Internet: 605483617 Equivalent to 36 /8s, 22 /16s and 242 /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: 35243 Total RIPE prefixes after maximum aggregation: 16669 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 35706 Unique aggregates announced from the RIPE address blocks: 23513 RIPE Region origin ASes present in the Internet Routing Table: 3275 RIPE Prefixes per ASN: 10.90 RIPE Region origin ASes announcing only one prefix: 1394 RIPE Region transit ASes present in the Internet Routing Table: 508 Average RIPE Region AS path length visible: 5.8 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1214 Number of RIPE addresses announced to Internet: 157925584 Equivalent to 9 /8s, 105 /16s and 192 /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: 32058 Total LACNIC prefixes after maximum aggregation: 10063 LACNIC Deaggregation factor: 3.19 Prefixes being announced from the LACNIC address blocks: 31791 Unique aggregates announced from the LACNIC address blocks: 15710 LACNIC Region origin ASes present in the Internet Routing Table: 3047 LACNIC Prefixes per ASN: 10.43 LACNIC Region origin ASes announcing only one prefix: 1104 LACNIC Region transit ASes present in the Internet Routing Table: 610 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 26 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 2338 Number of LACNIC addresses announced to Internet: 74012672 Equivalent to 4 /8s, 105 /16s and 88 /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: 4741 Total AfriNIC prefixes after maximum aggregation: 1812 AfriNIC Deaggregation factor: 2.62 Prefixes being announced from the AfriNIC address blocks: 6094 Unique aggregates announced from the AfriNIC address blocks: 2920 AfriNIC Region origin ASes present in the Internet Routing Table: 250 AfriNIC Prefixes per ASN: 24.38 AfriNIC Region origin ASes announcing only one prefix: 102 AfriNIC Region transit ASes present in the Internet Routing Table: 65 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 28 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 134 Number of AfriNIC addresses announced to Internet: 32107264 Equivalent to 1 /8s, 233 /16s and 235 /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 9667 8741 60 CHINAMOBILE-CN China Mobile Communicati 56047 1479 188 34 CMNET-HUNAN-AP China Mobile communicati 56046 1471 874 110 CMNET-JIANGSU-AP China Mobile communica 56041 1443 714 73 CMNET-ZHEJIANG-AP China Mobile communic 24547 778 168 56 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 762 501 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 435 488 107 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 9724 11353 3406 AMAZON-02, US 749 3191 54916 2443 DNIC-AS-00749, US 367 2921 3631 1387 DNIC-ASBLK-00306-00371, US 11776 1857 256 220 ATLANTICBB-JOHNSTOWN, US 209 1697 4898 316 CENTURYLINK-US-LEGACY-QWEST, US 4155 1548 100 1154 USDA-1, US 5972 1421 396 641 DNIC-ASBLK-05800-06055, US 7979 1002 66 196 SERVERS-COM, US 855 950 255 82 CANET-ASN-4, CA 16625 856 399 788 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 4758 286 60 ALJAWWALSTC-AS, SA 20940 1298 110 1060 AKAMAI-ASN1, NL 3215 901 4830 297 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 722 60 22 Jordan Data Communications, JO 58224 558 244 384 TCI, IR 8452 542 1841 11 TE-AS TE-AS, EG 51167 438 81 185 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 35819 386 378 73 MOBILY-AS Etihad Etisalat Company Mobil 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 5392 1555 863 UNINET, MX 3816 1313 788 194 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1089 369 22 Telefonica del Peru S.A.A., PE 11830 1041 324 5 Instituto Costarricense de Electricidad 18881 995 1120 28 TELEFONICA BRASIL S.A, BR 11664 589 108 229 Techtel LMDS Comunicaciones Interactiva 26599 569 2941 45 TELEFONICA BRASIL S.A, BR 10620 515 69 430 Telmex Colombia S.A., CO 13999 485 66 208 Mega Cable, S.A. de C.V., MX 28343 321 63 100 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 646 238 192 LINKdotNET-AS, EG 36992 439 644 278 ETISALAT-MISR, EG 2018 381 319 71 TENET-1, ZA 36935 267 67 80 Vodafone-, EG 36914 207 82 3 KENET-AS, KE 24835 199 162 115 RAYA-AS, EG 327687 164 28 3 RENU, UG 37282 163 26 6 MAINONE, NG 37492 156 471 44 ORANGE-, TN 37054 155 12 91 Telecom-Malagasy, MG 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 9724 11353 3406 AMAZON-02, US 9808 9667 8741 60 CHINAMOBILE-CN China Mobile Communicati 8151 5392 1555 863 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3191 54916 2443 DNIC-AS-00749, US 367 2921 3631 1387 DNIC-ASBLK-00306-00371, US 11776 1857 256 220 ATLANTICBB-JOHNSTOWN, US 209 1697 4898 316 CENTURYLINK-US-LEGACY-QWEST, US 4155 1548 100 1154 USDA-1, US 56047 1479 188 34 CMNET-HUNAN-AP China Mobile communicati 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 9667 9607 CHINAMOBILE-CN China Mobile Communications Grou 39891 4758 4698 ALJAWWALSTC-AS, SA 8151 5392 4529 UNINET, MX 11776 1857 1637 ATLANTICBB-JOHNSTOWN, US 367 2921 1534 DNIC-ASBLK-00306-00371, US 56047 1479 1445 CMNET-HUNAN-AP China Mobile communications corp 209 1697 1381 CENTURYLINK-US-LEGACY-QWEST, US 56041 1443 1370 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1471 1361 CMNET-JIANGSU-AP China Mobile communications co 3816 1313 1119 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US 1782 UNALLOCATED 8.42.19.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US 46639 UNALLOCATED 8.42.219.0/24 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 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 /11:25 /12:74 /13:116 /14:336 /15:673 /16:5282 /17:2518 /18:2609 /19:5347 /20:8656 /21:10841 /22:19727 /23:20284 /24:106802 /25:69 /26:40 /27:71 /28:19 /29:21 /30:14 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3440 4758 ALJAWWALSTC-AS, SA 8151 2955 5392 UNINET, MX 16509 2050 9724 AMAZON-02, US 209 958 1697 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1857 ATLANTICBB-JOHNSTOWN, US 11830 882 1041 Instituto Costarricense de Electricidad y Telec 19901 692 831 BRSPD-PUBLIC, US 6147 687 1089 Telefonica del Peru S.A.A., PE 8376 562 722 Jordan Data Communications, JO 7979 451 1002 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 2:384 3:285 5:1068 6:148 7:5 8:624 11:171 12:257 13:320 14:100 15:281 16:174 17:6 18:699 20:33 21:4 22:188 23:1799 24:402 25:2 27:17 29:19 31:162 32:1 34:5 35:53 36:1139 37:513 38:830 39:523 40:8 41:566 42:22 43:187 44:28 45:2293 46:577 47:100 49:11 50:249 51:470 52:1347 54:270 55:972 57:16 58:4 59:30 60:19 61:63 62:338 63:465 64:1437 65:794 66:1226 67:676 68:164 69:719 70:147 71:188 72:370 74:727 75:391 76:208 77:277 78:492 79:161 80:198 81:188 82:174 83:128 84:187 85:320 86:146 87:140 88:122 89:458 90:98 91:510 92:397 93:788 94:500 95:1078 96:165 97:31 98:125 99:146 100:22 101:24 102:308 103:1057 104:687 105:29 106:3 107:219 108:297 109:234 110:24 111:1753 112:447 113:40 114:32 115:11 116:31 117:946 118:51 119:96 120:1093 121:31 122:80 123:20 124:57 125:11 128:356 129:320 130:472 131:770 132:498 133:264 134:332 135:66 136:374 137:452 138:715 139:397 140:576 141:322 142:696 143:574 144:319 145:59 146:453 147:321 148:610 149:510 150:286 151:488 152:362 153:117 154:536 155:655 156:365 157:232 158:320 159:527 160:317 161:414 162:694 163:289 164:621 165:368 166:102 167:381 168:978 169:153 170:1247 171:62 172:894 173:619 174:104 175:46 176:400 177:707 178:332 179:514 180:43 181:994 182:20 183:855 184:201 185:2223 186:989 187:765 188:493 189:1107 190:2913 191:184 192:3683 193:1206 194:789 195:558 196:469 197:436 198:1905 199:3349 200:2679 201:2573 202:944 203:583 204:1766 205:1663 206:1143 207:1059 208:967 209:1429 210:306 211:423 212:677 213:523 214:1043 215:43 216:1687 217:283 218:515 219:19 220:30 221:300 222:17 223:628 End of report