IPv4 R&E Routing Table Report 20:15 GMT Tue 05 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: 182673 Prefixes after maximum aggregation (per Origin AS): 79993 Deaggregation factor: 2.28 Unique aggregates announced (without unneeded subnets): 100592 Number of IPv4 prefixes with a valid ROA: 68588 Number of IPv4 prefixes with an invalid ROA: 25 Number of IPv4 prefixes with no ROA: 114056 Total ASes present in the Internet Routing Table: 15382 Prefixes per ASN: 11.88 Origin-only ASes present in the Internet Routing Table: 13288 Origin ASes announcing only one prefix: 6047 Transit ASes present in the Internet Routing Table: 2094 Transit-only ASes present in the Internet Routing Table: 579 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: 26 Max AS path prepend of ASN (265990) 21 Prefixes from unregistered ASNs in the Routing Table: 218 Number of instances of unregistered ASNs: 218 Number of 32-bit ASNs allocated by the RIRs: 43763 Number of 32-bit ASNs visible in the Routing Table: 5537 Prefixes from 32-bit ASNs in the Routing Table: 18353 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: 1033774265 Equivalent to 61 /8s, 158 /16s and 36 /24s Percentage of available address space announced: 27.9 Percentage of allocated address space announced: 27.9 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: 53559 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28773 Total APNIC prefixes after maximum aggregation: 6540 APNIC Deaggregation factor: 4.40 Prefixes being announced from the APNIC address blocks: 28513 Unique aggregates announced from the APNIC address blocks: 7603 APNIC Region origin ASes present in the Internet Routing Table: 1091 APNIC Prefixes per ASN: 26.13 APNIC Region origin ASes announcing only one prefix: 444 APNIC Region transit ASes present in the Internet Routing Table: 179 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: 472 Number of APNIC addresses announced to Internet: 171276680 Equivalent to 10 /8s, 53 /16s and 121 /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: 82246 Total ARIN prefixes after maximum aggregation: 44801 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 81092 Unique aggregates announced from the ARIN address blocks: 50437 ARIN Region origin ASes present in the Internet Routing Table: 7182 ARIN Prefixes per ASN: 11.29 ARIN Region origin ASes announcing only one prefix: 3070 ARIN Region transit ASes present in the Internet Routing Table: 640 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: 1464 Number of ARIN addresses announced to Internet: 605220961 Equivalent to 36 /8s, 18 /16s and 240 /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: 34759 Total RIPE prefixes after maximum aggregation: 16398 RIPE Deaggregation factor: 2.12 Prefixes being announced from the RIPE address blocks: 35317 Unique aggregates announced from the RIPE address blocks: 23464 RIPE Region origin ASes present in the Internet Routing Table: 3217 RIPE Prefixes per ASN: 10.98 RIPE Region origin ASes announcing only one prefix: 1373 RIPE Region transit ASes present in the Internet Routing Table: 495 Average RIPE Region AS path length visible: 5.6 Max RIPE Region AS path length visible: 22 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1188 Number of RIPE addresses announced to Internet: 154743504 Equivalent to 9 /8s, 57 /16s and 50 /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: 31881 Total LACNIC prefixes after maximum aggregation: 10146 LACNIC Deaggregation factor: 3.14 Prefixes being announced from the LACNIC address blocks: 31625 Unique aggregates announced from the LACNIC address blocks: 15727 LACNIC Region origin ASes present in the Internet Routing Table: 3020 LACNIC Prefixes per ASN: 10.47 LACNIC Region origin ASes announcing only one prefix: 1072 LACNIC Region transit ASes present in the Internet Routing Table: 607 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: 2307 Number of LACNIC addresses announced to Internet: 73780992 Equivalent to 4 /8s, 101 /16s and 207 /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: 4796 Total AfriNIC prefixes after maximum aggregation: 1928 AfriNIC Deaggregation factor: 2.49 Prefixes being announced from the AfriNIC address blocks: 6044 Unique aggregates announced from the AfriNIC address blocks: 3281 AfriNIC Region origin ASes present in the Internet Routing Table: 204 AfriNIC Prefixes per ASN: 29.63 AfriNIC Region origin ASes announcing only one prefix: 88 AfriNIC Region transit ASes present in the Internet Routing Table: 61 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: 106 Number of AfriNIC addresses announced to Internet: 28704512 Equivalent to 1 /8s, 181 /16s and 255 /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 9689 11295 3341 AMAZON-02, US 749 3201 54920 2453 DNIC-AS-00749, US 367 2915 3648 1412 DNIC-ASBLK-00306-00371, US 11776 1856 256 219 ATLANTICBB-JOHNSTOWN, US 209 1707 4899 321 CENTURYLINK-US-LEGACY-QWEST, US 5972 1449 394 644 DNIC-ASBLK-05800-06055, US 4155 1344 87 1043 USDA-1, US 7979 993 66 197 SERVERS-COM, US 855 960 255 83 CANET-ASN-4, CA 16625 884 409 815 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 1302 110 1060 AKAMAI-ASN1, NL 3215 899 4811 303 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 720 60 22 Jordan Data Communications, JO 8452 589 1841 11 TE-AS TE-AS, EG 51167 436 79 184 CONTABO, DE 20978 420 196 13 TT_MOBIL Istanbul, TR 29580 414 46 174 A1BG_RSG A1 EAD, BG 34984 414 60 340 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 5362 1549 922 UNINET, MX 3816 1311 787 198 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 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 490 70 211 Mega Cable, S.A. de C.V., MX 22368 247 27 75 TELEBUCARAMANGA S.A. E.S.P., CO 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 652 210 245 LINKdotNET-AS, EG 29571 476 35 243 ORANGE-COTE-IVOIRE, CI 36992 474 671 291 ETISALAT-MISR, EG 2018 381 319 71 TENET-1, ZA 36935 267 67 80 Vodafone-, EG 24835 199 162 115 RAYA-AS, EG 36914 197 82 3 KENET-AS, KE 327687 161 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 9689 11295 3341 AMAZON-02, US 9808 9625 8739 51 CHINAMOBILE-CN China Mobile Communicati 8151 5362 1549 922 UNINET, MX 39891 4758 286 60 ALJAWWALSTC-AS, SA 749 3201 54920 2453 DNIC-AS-00749, US 367 2915 3648 1412 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 56046 1450 874 110 CMNET-JIANGSU-AP China Mobile communica 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 4758 4698 ALJAWWALSTC-AS, SA 8151 5362 4440 UNINET, MX 11776 1856 1637 ATLANTICBB-JOHNSTOWN, US 367 2915 1503 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 1311 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, 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 13342 UNALLOCATED 12.180.244.0/23 7018 ATT-INTERNET4, US 16994 UNALLOCATED 12.184.248.0/24 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 /11:27 /12:73 /13:111 /14:335 /15:671 /16:5366 /17:2514 /18:2587 /19:5314 /20:8498 /21:10752 /22:19411 /23:19963 /24:106766 /25:80 /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 3440 4758 ALJAWWALSTC-AS, SA 8151 2946 5362 UNINET, MX 16509 2046 9689 AMAZON-02, US 209 963 1707 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1856 ATLANTICBB-JOHNSTOWN, US 11830 882 1041 Instituto Costarricense de Electricidad y Telec 6147 687 1089 Telefonica del Peru S.A.A., PE 19901 684 823 BRSPD-PUBLIC, US 8376 563 720 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 2:463 3:274 5:1058 6:148 7:5 8:619 11:171 12:258 13:326 14:99 15:281 16:174 17:6 18:691 20:30 21:4 22:188 23:1826 24:393 25:2 27:19 29:19 31:151 32:1 34:3 35:53 36:1114 37:540 38:853 39:523 40:8 41:560 42:22 43:181 44:33 45:2274 46:568 47:100 49:10 50:248 51:468 52:1355 54:274 55:859 57:15 58:6 59:34 60:19 61:63 62:354 63:463 64:1506 65:816 66:1257 67:675 68:165 69:714 70:150 71:191 72:359 74:719 75:393 76:206 77:266 78:532 79:162 80:190 81:184 82:170 83:94 84:181 85:286 86:147 87:144 88:97 89:473 90:98 91:521 92:392 93:774 94:490 95:1079 96:165 97:30 98:125 99:146 100:20 101:25 102:179 103:1054 104:677 105:130 106:2 107:221 108:296 109:236 110:29 111:1748 112:447 113:40 114:31 115:10 116:31 117:946 118:51 119:94 120:1089 121:31 122:82 123:20 124:65 125:12 128:392 129:276 130:508 131:781 132:505 133:264 134:321 135:68 136:356 137:443 138:722 139:402 140:566 141:326 142:689 143:593 144:318 145:67 146:473 147:320 148:577 149:503 150:285 151:540 152:372 153:118 154:439 155:672 156:312 157:225 158:310 159:530 160:627 161:417 162:696 163:293 164:617 165:364 166:103 167:377 168:959 169:153 170:1219 171:62 172:877 173:617 174:107 175:44 176:402 177:704 178:306 179:483 180:44 181:1008 182:10 183:853 184:205 185:2192 186:1040 187:745 188:482 189:1072 190:2962 191:197 192:3670 193:1222 194:773 195:558 196:438 197:486 198:1900 199:3143 200:2724 201:2580 202:910 203:600 204:1747 205:1661 206:1128 207:1051 208:981 209:1388 210:290 211:422 212:712 213:574 214:1062 215:37 216:1687 217:300 218:516 219:19 220:31 221:294 222:18 223:657 End of report