IPv4 R&E Routing Table Report 20:15 GMT Fri 15 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: 185097 Prefixes after maximum aggregation (per Origin AS): 80240 Deaggregation factor: 2.31 Unique aggregates announced (without unneeded subnets): 100916 Number of IPv4 prefixes with a valid ROA: 70701 Number of IPv4 prefixes with an invalid ROA: 81 Number of IPv4 prefixes with no ROA: 114315 Total ASes present in the Internet Routing Table: 15486 Prefixes per ASN: 11.95 Origin-only ASes present in the Internet Routing Table: 13371 Origin ASes announcing only one prefix: 6063 Transit ASes present in the Internet Routing Table: 2115 Transit-only ASes present in the Internet Routing Table: 581 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 (265990) 21 Prefixes from unregistered ASNs in the Routing Table: 216 Number of instances of unregistered ASNs: 216 Number of 32-bit ASNs allocated by the RIRs: 43829 Number of 32-bit ASNs visible in the Routing Table: 5602 Prefixes from 32-bit ASNs in the Routing Table: 18550 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: 89 Number of addresses announced to Internet: 1023740601 Equivalent to 61 /8s, 5 /16s and 10 /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: 54411 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 28683 Total APNIC prefixes after maximum aggregation: 6461 APNIC Deaggregation factor: 4.44 Prefixes being announced from the APNIC address blocks: 28400 Unique aggregates announced from the APNIC address blocks: 7478 APNIC Region origin ASes present in the Internet Routing Table: 1091 APNIC Prefixes per ASN: 26.03 APNIC Region origin ASes announcing only one prefix: 439 APNIC Region transit ASes present in the Internet Routing Table: 178 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: 157538440 Equivalent to 9 /8s, 99 /16s and 216 /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: 82490 Total ARIN prefixes after maximum aggregation: 44798 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 81407 Unique aggregates announced from the ARIN address blocks: 50590 ARIN Region origin ASes present in the Internet Routing Table: 7184 ARIN Prefixes per ASN: 11.33 ARIN Region origin ASes announcing only one prefix: 3056 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: 1457 Number of ARIN addresses announced to Internet: 605474657 Equivalent to 36 /8s, 22 /16s and 207 /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: 35288 Total RIPE prefixes after maximum aggregation: 16752 RIPE Deaggregation factor: 2.11 Prefixes being announced from the RIPE address blocks: 35694 Unique aggregates announced from the RIPE address blocks: 23867 RIPE Region origin ASes present in the Internet Routing Table: 3254 RIPE Prefixes per ASN: 10.97 RIPE Region origin ASes announcing only one prefix: 1395 RIPE Region transit ASes present in the Internet Routing Table: 508 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: 1194 Number of RIPE addresses announced to Internet: 155333072 Equivalent to 9 /8s, 66 /16s and 49 /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: 33530 Total LACNIC prefixes after maximum aggregation: 10090 LACNIC Deaggregation factor: 3.32 Prefixes being announced from the LACNIC address blocks: 33267 Unique aggregates announced from the LACNIC address blocks: 15674 LACNIC Region origin ASes present in the Internet Routing Table: 3072 LACNIC Prefixes per ASN: 10.83 LACNIC Region origin ASes announcing only one prefix: 1096 LACNIC Region transit ASes present in the Internet Routing Table: 625 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: 2374 Number of LACNIC addresses announced to Internet: 74806016 Equivalent to 4 /8s, 117 /16s and 115 /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: 4890 Total AfriNIC prefixes after maximum aggregation: 1960 AfriNIC Deaggregation factor: 2.49 Prefixes being announced from the AfriNIC address blocks: 6240 Unique aggregates announced from the AfriNIC address blocks: 3222 AfriNIC Region origin ASes present in the Internet Routing Table: 208 AfriNIC Prefixes per ASN: 30.00 AfriNIC Region origin ASes announcing only one prefix: 77 AfriNIC Region transit ASes present in the Internet Routing Table: 60 Average AfriNIC Region AS path length visible: 5.6 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 105 Number of AfriNIC addresses announced to Internet: 30538496 Equivalent to 1 /8s, 209 /16s and 251 /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 9640 8739 51 CHINAMOBILE-CN China Mobile Communicati 56047 1474 188 34 CMNET-HUNAN-AP China Mobile communicati 56046 1471 874 110 CMNET-JIANGSU-AP China Mobile communica 56041 1442 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 433 488 105 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 9736 11336 3383 AMAZON-02, US 749 3192 54919 2444 DNIC-AS-00749, US 367 2918 3632 1402 DNIC-ASBLK-00306-00371, US 11776 1859 256 219 ATLANTICBB-JOHNSTOWN, US 209 1705 4898 320 CENTURYLINK-US-LEGACY-QWEST, US 4155 1516 98 1137 USDA-1, US 5972 1438 394 639 DNIC-ASBLK-05800-06055, US 7979 997 66 198 SERVERS-COM, US 855 950 255 82 CANET-ASN-4, CA 16625 870 407 800 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 4625 278 64 ALJAWWALSTC-AS, SA 20940 1299 110 1060 AKAMAI-ASN1, NL 3215 897 4818 295 France Telecom - Orange, FR 25019 816 1032 146 SAUDINETSTC-AS, SA 8376 723 60 22 Jordan Data Communications, JO 8452 591 1841 11 TE-AS TE-AS, EG 58224 494 209 350 TCI, IR 51167 439 81 186 CONTABO, DE 35819 428 435 76 MOBILY-AS Etihad Etisalat Company Mobil 20978 420 196 13 TT_MOBIL Istanbul, 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 6537 1824 758 UNINET, MX 3816 1312 787 193 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 591 108 224 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 676 239 189 LINKdotNET-AS, EG 36992 538 691 304 ETISALAT-MISR, EG 2018 381 319 71 TENET-1, ZA 36935 267 67 80 Vodafone-, EG 29571 245 15 157 ORANGE-COTE-IVOIRE, CI 37054 229 17 115 Telecom-Malagasy, MG 36914 207 82 3 KENET-AS, KE 24835 199 162 115 RAYA-AS, EG 327687 162 28 3 RENU, UG 37282 159 22 47 MAINONE, NG 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 9736 11336 3383 AMAZON-02, US 9808 9640 8739 51 CHINAMOBILE-CN China Mobile Communicati 8151 6537 1824 758 UNINET, MX 39891 4625 278 64 ALJAWWALSTC-AS, SA 749 3192 54919 2444 DNIC-AS-00749, US 367 2918 3632 1402 DNIC-ASBLK-00306-00371, US 11776 1859 256 219 ATLANTICBB-JOHNSTOWN, US 209 1705 4898 320 CENTURYLINK-US-LEGACY-QWEST, US 4155 1516 98 1137 USDA-1, US 56047 1474 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 9640 9589 CHINAMOBILE-CN China Mobile Communications Grou 8151 6537 5779 UNINET, MX 39891 4625 4561 ALJAWWALSTC-AS, SA 11776 1859 1640 ATLANTICBB-JOHNSTOWN, US 367 2918 1516 DNIC-ASBLK-00306-00371, US 56047 1474 1440 CMNET-HUNAN-AP China Mobile communications corp 209 1705 1385 CENTURYLINK-US-LEGACY-QWEST, US 56041 1442 1369 CMNET-ZHEJIANG-AP China Mobile communications c 56046 1471 1361 CMNET-JIANGSU-AP China Mobile communications co 3816 1312 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 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 13342 UNALLOCATED 12.180.244.0/23 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 /12:71 /13:112 /14:334 /15:670 /16:5273 /17:2509 /18:2590 /19:5452 /20:8669 /21:11186 /22:19819 /23:20530 /24:107563 /25:81 /26:51 /27:74 /28:19 /29:21 /30:14 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 3445 6537 UNINET, MX 39891 3311 4625 ALJAWWALSTC-AS, SA 16509 2039 9736 AMAZON-02, US 209 962 1705 CENTURYLINK-US-LEGACY-QWEST, US 11776 893 1859 ATLANTICBB-JOHNSTOWN, US 11830 882 1041 Instituto Costarricense de Electricidad y Telec 19901 690 828 BRSPD-PUBLIC, US 6147 687 1089 Telefonica del Peru S.A.A., PE 8376 563 723 Jordan Data Communications, JO 7979 446 997 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 2:477 3:280 5:969 6:148 7:5 8:622 11:171 12:256 13:322 14:99 15:281 16:174 17:6 18:700 20:33 21:4 22:188 23:1822 24:404 25:2 27:17 29:19 31:165 32:1 34:5 35:53 36:1119 37:583 38:836 39:523 40:8 41:572 42:20 43:183 44:29 45:2276 46:569 47:99 49:11 50:254 51:465 52:1356 54:274 55:970 57:16 58:6 59:34 60:19 61:63 62:338 63:462 64:1445 65:795 66:1217 67:675 68:164 69:723 70:147 71:190 72:371 74:723 75:386 76:207 77:267 78:540 79:160 80:198 81:187 82:174 83:99 84:186 85:324 86:146 87:148 88:121 89:470 90:98 91:498 92:428 93:774 94:488 95:1059 96:165 97:32 98:124 99:144 100:22 101:25 102:318 103:1037 104:687 105:29 106:2 107:221 108:296 109:225 110:29 111:1752 112:449 113:40 114:32 115:11 116:31 117:946 118:53 119:95 120:1090 121:31 122:81 123:20 124:57 125:12 128:384 129:281 130:510 131:777 132:500 133:264 134:327 135:66 136:375 137:445 138:759 139:399 140:573 141:327 142:694 143:577 144:320 145:61 146:457 147:318 148:601 149:513 150:347 151:544 152:367 153:117 154:532 155:659 156:367 157:224 158:316 159:534 160:492 161:420 162:701 163:294 164:618 165:362 166:101 167:379 168:986 169:152 170:1236 171:62 172:899 173:614 174:105 175:46 176:412 177:760 178:324 179:492 180:43 181:999 182:12 183:854 184:199 185:2186 186:1019 187:1078 188:487 189:1154 190:2991 191:193 192:3698 193:1211 194:779 195:560 196:461 197:432 198:1932 199:3313 200:2684 201:2437 202:928 203:603 204:1767 205:1652 206:1114 207:1060 208:979 209:1404 210:291 211:422 212:695 213:553 214:1059 215:37 216:1687 217:308 218:515 219:19 220:30 221:300 222:18 223:630 End of report