IPv4 R&E Routing Table Report 20:15 GMT Fri 01 Dec, 2023 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: 256311 Prefixes after maximum aggregation (per Origin AS): 113258 Deaggregation factor: 2.26 Unique aggregates announced (without unneeded subnets): 137927 Number of IPv4 prefixes with a valid ROA: 96246 Number of IPv4 prefixes with an invalid ROA: 26 Number of IPv4 prefixes with no ROA: 160039 Total ASes present in the Internet Routing Table: 20680 Prefixes per ASN: 12.39 Origin-only ASes present in the Internet Routing Table: 18025 Origin ASes announcing only one prefix: 8036 Transit ASes present in the Internet Routing Table: 2655 Transit-only ASes present in the Internet Routing Table: 671 Paths with bogon ASNs present in the IPv4 Routing Table: 11 Average AS path length visible in the Internet Routing Table: 5.6 Max AS path length visible: 31 Max AS path prepend of ASN ( 11816) 21 Prefixes from unregistered ASNs in the Routing Table: 428 Number of instances of unregistered ASNs: 428 Number of 32-bit ASNs allocated by the RIRs: 43144 Number of 32-bit ASNs visible in the Routing Table: 7435 Prefixes from 32-bit ASNs in the Routing Table: 26483 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: 134 Number of addresses announced to Internet: 1488260937 Equivalent to 88 /8s, 181 /16s and 15 /24s Percentage of available address space announced: 40.2 Percentage of allocated address space announced: 40.2 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: 86735 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 30650 Total APNIC prefixes after maximum aggregation: 7286 APNIC Deaggregation factor: 4.21 Prefixes being announced from the APNIC address blocks: 30201 Unique aggregates announced from the APNIC address blocks: 8381 APNIC Region origin ASes present in the Internet Routing Table: 1198 APNIC Prefixes per ASN: 25.21 APNIC Region origin ASes announcing only one prefix: 478 APNIC Region transit ASes present in the Internet Routing Table: 200 Average APNIC Region AS path length visible: 6.3 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 526 Number of APNIC addresses announced to Internet: 212809864 Equivalent to 12 /8s, 175 /16s and 56 /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: 118752 Total ARIN prefixes after maximum aggregation: 62281 ARIN Deaggregation factor: 1.91 Prefixes being announced from the ARIN address blocks: 118837 Unique aggregates announced from the ARIN address blocks: 68756 ARIN Region origin ASes present in the Internet Routing Table: 9663 ARIN Prefixes per ASN: 12.30 ARIN Region origin ASes announcing only one prefix: 3977 ARIN Region transit ASes present in the Internet Routing Table: 861 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 26 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2051 Number of ARIN addresses announced to Internet: 842135233 Equivalent to 50 /8s, 49 /16s and 246 /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: 55859 Total RIPE prefixes after maximum aggregation: 27926 RIPE Deaggregation factor: 2.00 Prefixes being announced from the RIPE address blocks: 54778 Unique aggregates announced from the RIPE address blocks: 36821 RIPE Region origin ASes present in the Internet Routing Table: 5143 RIPE Prefixes per ASN: 10.65 RIPE Region origin ASes announcing only one prefix: 2203 RIPE Region transit ASes present in the Internet Routing Table: 696 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1950 Number of RIPE addresses announced to Internet: 304391680 Equivalent to 18 /8s, 36 /16s and 166 /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: 42077 Total LACNIC prefixes after maximum aggregation: 13063 LACNIC Deaggregation factor: 3.22 Prefixes being announced from the LACNIC address blocks: 41452 Unique aggregates announced from the LACNIC address blocks: 19794 LACNIC Region origin ASes present in the Internet Routing Table: 3606 LACNIC Prefixes per ASN: 11.50 LACNIC Region origin ASes announcing only one prefix: 1292 LACNIC Region transit ASes present in the Internet Routing Table: 720 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: 2797 Number of LACNIC addresses announced to Internet: 88403968 Equivalent to 5 /8s, 68 /16s and 240 /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: 8545 Total AfriNIC prefixes after maximum aggregation: 2407 AfriNIC Deaggregation factor: 3.55 Prefixes being announced from the AfriNIC address blocks: 10909 Unique aggregates announced from the AfriNIC address blocks: 4048 AfriNIC Region origin ASes present in the Internet Routing Table: 241 AfriNIC Prefixes per ASN: 45.27 AfriNIC Region origin ASes announcing only one prefix: 86 AfriNIC Region transit ASes present in the Internet Routing Table: 66 Average AfriNIC Region AS path length visible: 6.0 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 111 Number of AfriNIC addresses announced to Internet: 40379136 Equivalent to 2 /8s, 104 /16s and 35 /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 9553 8729 40 CHINAMOBILE-CN China Mobile Communicati 56047 1504 188 34 CMNET-HUNAN-AP China Mobile communicati 56041 1428 714 73 CMNET-ZHEJIANG-AP China Mobile communic 56046 1413 826 105 CMNET-JIANGSU-AP China Mobile communica 24547 761 168 47 CMNET-V4HEBEI-AS-AP Hebei Mobile Commun 24444 760 501 71 CMNET-V4SHANDONG-AS-AP Shandong Mobile 17676 739 10616 152 GIGAINFRA SoftBank Corp., JP 9394 674 4270 56 CTTNET China TieTong Telecommunications 2907 603 2162 466 SINET-AS Research Organization of Infor 24445 477 497 67 CMNET-V4HENAN-AS-AP Henan Mobile Commun 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 9342 11172 3345 AMAZON-02, US 22773 3504 3039 296 ASN-CXA-ALL-CCI-22773-RDC, US 749 3164 54930 2416 DNIC-AS-00749, US 367 3004 3850 1427 DNIC-ASBLK-00306-00371, US 7018 2567 23618 1602 ATT-INTERNET4, US 5650 1891 2744 1316 FRONTIER-FRTR, US 18566 1852 373 314 MEGAPATH5-, US 11776 1841 254 223 ATLANTICBB-JOHNSTOWN, US 6167 1736 3053 427 CELLCO-PART, US 209 1714 4899 330 CENTURYLINK-US-LEGACY-QWEST, 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 4570 271 54 ALJAWWALSTC-AS, SA 20940 1599 141 1261 AKAMAI-ASN1, NL 3215 916 4899 290 France Telecom - Orange, FR 61317 896 60 770 ASDETUK www.heficed.com, US 8452 890 1841 14 TE-AS TE-AS, EG 58224 873 588 577 TCI, IR 25019 837 1035 152 SAUDINETSTC-AS, SA 34984 812 106 512 TELLCOM-AS, TR 8386 706 108 244 KOCNET, TR 8376 680 54 17 Jordan Data Communications, JO 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 6292 1796 1032 UNINET, MX 11830 2010 369 64 Instituto Costarricense de Electricidad 10620 1874 265 1235 Telmex Colombia S.A., CO 3816 1307 787 192 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1082 369 22 Telefonica del Peru S.A.A., PE 26615 1048 2502 52 TIM SA, BR 18881 990 1120 28 TELEFONICA BRASIL S.A, BR 11664 908 147 399 Techtel LMDS Comunicaciones Interactiva 28006 616 75 279 CORPORACION NACIONAL DE TELECOMUNICACIO 26599 596 2965 47 TELEFONICA BRASIL S.A, 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 1170 388 22 LINKdotNET-AS, EG 24835 1031 457 25 RAYA-AS, EG 36935 673 520 41 Vodafone-, EG 36992 656 950 346 ETISALAT-MISR, EG 36903 415 192 302 MT-MPLS, MA 15399 412 36 179 WANANCHI-, KE 29571 388 36 161 ORANGE-COTE-IVOIRE, CI 2018 380 319 71 TENET-1, ZA 37693 313 594 41 TUNISIANA, TN 36914 250 82 3 KENET-AS, KE 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 9808 9553 8729 40 CHINAMOBILE-CN China Mobile Communicati 16509 9342 11172 3345 AMAZON-02, US 8151 6292 1796 1032 UNINET, MX 39891 4570 271 54 ALJAWWALSTC-AS, SA 22773 3504 3039 296 ASN-CXA-ALL-CCI-22773-RDC, US 749 3164 54930 2416 DNIC-AS-00749, US 367 3004 3850 1427 DNIC-ASBLK-00306-00371, US 7018 2567 23618 1602 ATT-INTERNET4, US 11830 2010 369 64 Instituto Costarricense de Electricidad 5650 1891 2744 1316 FRONTIER-FRTR, 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 16509 9342 5997 AMAZON-02, US 8151 6292 5260 UNINET, MX 39891 4570 4516 ALJAWWALSTC-AS, SA 22773 3504 3208 ASN-CXA-ALL-CCI-22773-RDC, US 11830 2010 1946 Instituto Costarricense de Electricidad y Telec 11776 1841 1618 ATLANTICBB-JOHNSTOWN, US 367 3004 1577 DNIC-ASBLK-00306-00371, US 18566 1852 1538 MEGAPATH5-, US 56047 1504 1470 CMNET-HUNAN-AP China Mobile communications corp 209 1714 1384 CENTURYLINK-US-LEGACY-QWEST, US 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 396451 UNALLOCATED 12.6.254.0/24 7018 ATT-INTERNET4, US 13342 UNALLOCATED 12.17.5.0/24 7018 ATT-INTERNET4, US 396831 UNALLOCATED 12.23.198.0/24 7018 ATT-INTERNET4, US 21861 UNALLOCATED 12.37.59.0/24 7018 ATT-INTERNET4, US 33684 UNALLOCATED 12.37.144.0/24 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 6939 HURRICANE, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 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 RESERVED, ZZ 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.176.160.0/24 Origin: 397327 RESERVED, ZZ 23.176.160.0/24 Transit: 19108 SUDDENLINK-COMMUNICATIONS, US 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 43.243.102.0/24 Origin: 64050 BCPL-SG BGPNET Global ASN, SG 43.243.102.0/24 Transit: 2914 NTT-LTD-2914, US 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 /8:13 /9:8 /10:29 /11:45 /12:127 /13:188 /14:500 /15:1000 /16:7450 /17:3499 /18:4042 /19:7874 /20:12261 /21:15548 /22:28561 /23:28877 /24:146010 /25:83 /26:62 /27:72 /28:18 /29:22 /30:16 /31:0 /32:6 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 39891 3324 4570 ALJAWWALSTC-AS, SA 8151 3287 6292 UNINET, MX 22773 2562 3504 ASN-CXA-ALL-CCI-22773-RDC, US 16509 1917 9342 AMAZON-02, US 18566 1766 1852 MEGAPATH5-, US 11830 1708 2010 Instituto Costarricense de Electricidad y Telec 5650 1380 1891 FRONTIER-FRTR, US 7018 1130 2567 ATT-INTERNET4, US 10620 1127 1874 Telmex Colombia S.A., CO 209 967 1714 CENTURYLINK-US-LEGACY-QWEST, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:13 2:531 3:247 4:5 5:1321 6:149 7:5 8:729 11:171 12:1096 13:312 14:104 15:282 16:167 17:6 18:638 20:240 21:4 22:188 23:2392 24:755 25:2 27:25 29:19 31:439 32:37 34:2 35:56 36:1063 37:925 38:1362 39:502 40:61 41:903 42:21 43:201 44:43 45:3329 46:863 47:155 49:13 50:341 51:479 52:1388 54:354 55:864 56:5 57:23 58:34 59:32 60:18 61:70 62:596 63:884 64:2095 65:1150 66:2266 67:969 68:641 69:1260 70:500 71:263 72:692 74:1054 75:432 76:227 77:333 78:550 79:249 80:398 81:346 82:313 83:159 84:367 85:430 86:213 87:265 88:223 89:632 90:91 91:958 92:492 93:934 94:653 95:1250 96:281 97:72 98:541 99:163 100:45 101:27 102:292 103:1212 104:1419 105:66 106:42 107:1367 108:517 109:335 110:35 111:1736 112:474 113:48 114:32 115:18 116:45 117:955 118:64 119:125 120:1081 121:41 122:92 123:80 124:57 125:17 128:451 129:375 130:611 131:1103 132:551 133:267 134:447 135:124 136:411 137:549 138:858 139:535 140:580 141:271 142:784 143:671 144:370 145:89 146:597 147:418 148:692 149:705 150:291 151:558 152:526 153:146 154:627 155:764 156:619 157:318 158:436 159:676 160:667 161:634 162:940 163:404 164:662 165:568 166:587 167:619 168:1382 169:182 170:1535 171:99 172:1318 173:828 174:285 175:48 176:821 177:827 178:391 179:675 180:51 181:1601 182:15 183:879 184:506 185:3408 186:1865 187:971 188:731 189:1322 190:4170 191:333 192:4920 193:1970 194:1450 195:1141 196:915 197:730 198:2609 199:3194 200:3193 201:3221 202:1084 203:641 204:2246 205:1823 206:1661 207:1456 208:1440 209:1931 210:333 211:475 212:1020 213:860 214:1075 215:57 216:2547 217:612 218:521 219:23 220:29 221:286 222:34 223:621 End of report