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[bgp-stats] Routing Table Report - London view
Routing Table Report 08:00 +10GMT Wed 21 Mar, 2018
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary ----------------
BGP routing table entries examined: 680782 Prefixes after maximum aggregation (per Origin AS): 266251 Deaggregation factor: 2.56 Unique aggregates announced (without unneeded subnets): 332373 Total ASes present in the Internet Routing Table: 60106 Prefixes per ASN: 11.33 Origin-only ASes present in the Internet Routing Table: 51793 Origin ASes announcing only one prefix: 22835 Transit ASes present in the Internet Routing Table: 8313 Transit-only ASes present in the Internet Routing Table: 260 Average AS path length visible in the Internet Routing Table: 3.7 Max AS path length visible: 44 Max AS path prepend of ASN ( 56262) 41 Prefixes from unregistered ASNs in the Routing Table: 58 Number of instances of unregistered ASNs: 64 Number of 32-bit ASNs allocated by the RIRs: 21865 Number of 32-bit ASNs visible in the Routing Table: 17626 Prefixes from 32-bit ASNs in the Routing Table: 72728 Number of bogon 32-bit ASNs visible in the Routing Table: 40 Special use prefixes present in the Routing Table: 10 Prefixes being announced from unallocated address space: 335 Number of addresses announced to Internet: 2876870656 Equivalent to 171 /8s, 121 /16s and 144 /24s Percentage of available address space announced: 77.7 Percentage of allocated address space announced: 77.7 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 98.8 Total number of prefixes smaller than registry allocations: 227788
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 179186 Total APNIC prefixes after maximum aggregation: 53158 APNIC Deaggregation factor: 3.37 Prefixes being announced from the APNIC address blocks: 179513 Unique aggregates announced from the APNIC address blocks: 76815 APNIC Region origin ASes present in the Internet Routing Table: 8656 APNIC Prefixes per ASN: 20.74 APNIC Region origin ASes announcing only one prefix: 2480 APNIC Region transit ASes present in the Internet Routing Table: 1271 Average APNIC Region AS path length visible: 3.8 Max APNIC Region AS path length visible: 44 Number of APNIC region 32-bit ASNs visible in the Routing Table: 3634 Number of APNIC addresses announced to Internet: 765849088 Equivalent to 45 /8s, 165 /16s and 238 /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, 131072-137529 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: 205420 Total ARIN prefixes after maximum aggregation: 98318 ARIN Deaggregation factor: 2.09 Prefixes being announced from the ARIN address blocks: 206052 Unique aggregates announced from the ARIN address blocks: 97721 ARIN Region origin ASes present in the Internet Routing Table: 18096 ARIN Prefixes per ASN: 11.39 ARIN Region origin ASes announcing only one prefix: 6731 ARIN Region transit ASes present in the Internet Routing Table: 1816 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 22 Number of ARIN region 32-bit ASNs visible in the Routing Table: 2327 Number of ARIN addresses announced to Internet: 1104185600 Equivalent to 65 /8s, 208 /16s and 137 /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, 393216-397212 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, 45/8, 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: 187389 Total RIPE prefixes after maximum aggregation: 91186 RIPE Deaggregation factor: 2.06 Prefixes being announced from the RIPE address blocks: 183649 Unique aggregates announced from the RIPE address blocks: 109873 RIPE Region origin ASes present in the Internet Routing Table: 25026 RIPE Prefixes per ASN: 7.34 RIPE Region origin ASes announcing only one prefix: 11368 RIPE Region transit ASes present in the Internet Routing Table: 3582 Average RIPE Region AS path length visible: 3.6 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 6809 Number of RIPE addresses announced to Internet: 715516416 Equivalent to 42 /8s, 165 /16s and 234 /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 196608-207259 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: 88966 Total LACNIC prefixes after maximum aggregation: 19547 LACNIC Deaggregation factor: 4.55 Prefixes being announced from the LACNIC address blocks: 90334 Unique aggregates announced from the LACNIC address blocks: 40197 LACNIC Region origin ASes present in the Internet Routing Table: 6921 LACNIC Prefixes per ASN: 13.05 LACNIC Region origin ASes announcing only one prefix: 1882 LACNIC Region transit ASes present in the Internet Routing Table: 1293 Average LACNIC Region AS path length visible: 4.4 Max LACNIC Region AS path length visible: 37 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 4457 Number of LACNIC addresses announced to Internet: 172408832 Equivalent to 10 /8s, 70 /16s and 192 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-268700 + 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: 18495 Total AfriNIC prefixes after maximum aggregation: 4006 AfriNIC Deaggregation factor: 4.62 Prefixes being announced from the AfriNIC address blocks: 20898 Unique aggregates announced from the AfriNIC address blocks: 7499 AfriNIC Region origin ASes present in the Internet Routing Table: 1126 AfriNIC Prefixes per ASN: 18.56 AfriNIC Region origin ASes announcing only one prefix: 373 AfriNIC Region transit ASes present in the Internet Routing Table: 232 Average AfriNIC Region AS path length visible: 3.5 Max AfriNIC Region AS path length visible: 22 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 399 Number of AfriNIC addresses announced to Internet: 96222464 Equivalent to 5 /8s, 188 /16s and 61 /24s AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 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 7545 3366 404 394 TPG-INTERNET-AP TPG Telecom Limited, AU 9829 2796 1499 541 BSNL-NIB National Internet Backbone, IN 7552 2687 1160 57 VIETEL-AS-AP Viettel Group, VN 9394 2637 4923 29 CTTNET China TieTong Telecommunications 45899 2463 1561 163 VNPT-AS-VN VNPT Corp, VN 4766 2431 11132 763 KIXS-AS-KR Korea Telecom, KR 17974 2319 930 80 TELKOMNET-AS2-AP PT Telekomunikasi Indo 9808 2163 8699 32 CMNET-GD Guangdong Mobile Communication 4755 2075 417 214 TATACOMM-AS TATA Communications formerl 9498 1771 377 150 BBIL-AP BHARTI Airtel Ltd., IN
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-APNIC
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 6327 3368 1323 86 SHAW - Shaw Communications Inc., CA 22773 3284 2988 150 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi 16509 2170 4726 608 AMAZON-02 - Amazon.com, Inc., US 18566 2167 405 108 MEGAPATH5-US - MegaPath Corporation, US 20115 2096 2484 436 CHARTER-NET-HKY-NC - Charter Communicat 30036 1945 340 185 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom 209 1934 5069 616 CENTURYLINK-US-LEGACY-QWEST - Qwest Com 6389 1775 3671 36 BELLSOUTH-NET-BLK - BellSouth.net Inc., 11492 1757 227 560 CABLEONE - CABLE ONE, INC., US 16625 1681 817 1202 AKAMAI-AS - Akamai Technologies, Inc.,
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-ARIN
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 12479 3785 1462 709 UNI2-AS, ES 39891 3327 179 20 ALJAWWALSTC-AS, SA 20940 2747 778 2006 AKAMAI-ASN1, US 34984 2026 334 478 TELLCOM-AS, TR 12389 2007 1864 704 ROSTELECOM-AS, RU 8551 1987 378 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 9121 1942 1692 19 TTNET, TR 13188 1606 100 46 TRIOLAN, UA 6849 1241 355 21 UKRTELNET, UA 8402 1228 544 14 CORBINA-AS OJSC "Vimpelcom", RU
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-RIPE
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 4300 3383 578 Uninet S.A. de C.V., MX 10620 3597 540 259 Telmex Colombia S.A., CO 11830 2638 370 66 Instituto Costarricense de Electricidad 6503 1631 437 54 Axtel, S.A.B. de C.V., MX 7303 1508 1022 193 Telecom Argentina S.A., AR 28573 1027 2250 180 CLARO S.A., BR 6147 1019 377 27 Telefonica del Peru S.A.A., PE 3816 1002 504 119 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 11172 927 126 83 Alestra, S. de R.L. de C.V., MX 18881 907 1072 29 TELEFÔNICA BRASIL S.A, BR
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 24863 1163 398 50 LINKdotNET-AS, EG 37611 815 91 8 Afrihost, ZA 36903 741 372 137 MT-MPLS, MA 36992 678 1396 39 ETISALAT-MISR, EG 8452 636 1730 18 TE-AS TE-AS, EG 24835 602 850 15 RAYA-AS, EG 29571 466 68 12 ORANGE-COTE-IVOIRE, CI 37492 450 376 81 ORANGE-, TN 15399 362 35 7 WANANCHI-, KE 37342 361 32 1 MOVITEL, MZ
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-AFRINIC
Global Per AS prefix count summary ----------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 4300 3383 578 Uninet S.A. de C.V., MX 12479 3785 1462 709 UNI2-AS, ES 10620 3597 540 259 Telmex Colombia S.A., CO 6327 3368 1323 86 SHAW - Shaw Communications Inc., CA 7545 3366 404 394 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 3327 179 20 ALJAWWALSTC-AS, SA 22773 3284 2988 150 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi 9829 2796 1499 541 BSNL-NIB National Internet Backbone, IN 20940 2747 778 2006 AKAMAI-ASN1, US 7552 2687 1160 57 VIETEL-AS-AP Viettel Group, VN
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 10620 3597 3338 Telmex Colombia S.A., CO 39891 3327 3307 ALJAWWALSTC-AS, SA 6327 3368 3282 SHAW - Shaw Communications Inc., CA 22773 3284 3134 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 12479 3785 3076 UNI2-AS, ES 7545 3366 2972 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 2687 2630 VIETEL-AS-AP Viettel Group, VN 9394 2637 2608 CTTNET China TieTong Telecommunications Corpora 11830 2638 2572 Instituto Costarricense de Electricidad y Telec 45899 2463 2300 VNPT-AS-VN VNPT Corp, VN
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65333 PRIVATE 10.0.0.0/8 0 UNKNOWN 65537 DOCUMENT 62.162.120.0/24 6821 MT-AS-OWN bul. Orce Nikolov bb 4200000013 PRIVATE 63.147.48.0/23 209 CENTURYLINK-US-LEGACY-QWEST - 4200000013 PRIVATE 63.147.50.0/23 209 CENTURYLINK-US-LEGACY-QWEST - 4200010173 PRIVATE 63.228.245.0/24 209 CENTURYLINK-US-LEGACY-QWEST - 4200000007 PRIVATE 63.232.90.0/24 209 CENTURYLINK-US-LEGACY-QWEST - 4200000007 PRIVATE 63.232.90.0/23 209 CENTURYLINK-US-LEGACY-QWEST - 4200000007 PRIVATE 63.232.91.0/24 209 CENTURYLINK-US-LEGACY-QWEST - 4200010039 PRIVATE 63.236.68.0/24 209 CENTURYLINK-US-LEGACY-QWEST - 4264800033 PRIVATE 64.72.224.0/24 812 ROGERS-COMMUNICATIONS - Rogers
Complete listing at http://thyme.rand.apnic.net/london/data-badAS
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 10.0.0.0/8 65333 -Private Use AS-, ZZ 100.64.0.0/10 65333 -Private Use AS-, ZZ 169.254.0.0/16 65333 -Private Use AS-, ZZ 172.16.0.0/12 65333 -Private Use AS-, ZZ 192.0.0.0/24 65333 -Private Use AS-, ZZ 192.0.2.0/24 65333 -Private Use AS-, ZZ 192.168.0.0/16 0 UNKNOWN 198.18.0.0/15 65333 -Private Use AS-, ZZ 198.51.100.0/24 65333 -Private Use AS-, ZZ 203.0.113.0/24 65333 -Private Use AS-, ZZ
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 14.128.14.0/23 10247 NETLINE, ZA 14.192.50.0/23 10247 NETLINE, ZA 14.192.58.0/23 10247 NETLINE, ZA 27.100.7.0/24 56096 UNKNOWN 36.255.250.0/23 10247 NETLINE, ZA 37.44.224.0/20 48666 AS-MAROSNET Moscow, Russia, RU 41.76.136.0/24 37500 -Reserved AS-, ZZ 41.76.136.0/22 37500 -Reserved AS-, ZZ 41.76.138.0/24 37500 -Reserved AS-, ZZ 41.76.139.0/24 37500 -Reserved AS-, ZZ
Complete listing at http://thyme.rand.apnic.net/london/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 /8:15 /9:11 /10:37 /11:100 /12:290 /13:561 /14:1100 /15:1907 /16:13294 /17:7744 /18:13481 /19:24662 /20:37913 /21:44462 /22:85004 /23:67746 /24:381206 /25:7 /26:5 /27:8 /28:84 /29:226 /30:869 /31:0 /32:50
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 6327 3160 3368 SHAW - Shaw Communications Inc., CA 39891 2754 3327 ALJAWWALSTC-AS, SA 12479 2563 3785 UNI2-AS, ES 22773 2538 3284 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 18566 2061 2167 MEGAPATH5-US - MegaPath Corporation, US 11830 1985 2638 Instituto Costarricense de Electricidad y Telec 30036 1696 1945 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi 10620 1601 3597 Telmex Colombia S.A., CO 11492 1535 1757 CABLEONE - CABLE ONE, INC., US 8551 1450 1987 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:1568 2:836 4:19 5:2809 6:59 7:1 8:1112 9:1 12:1882 13:203 14:1717 15:26 16:3 17:189 18:68 20:47 21:3 23:2548 24:2153 25:2 27:2250 31:1951 32:68 35:27 36:506 37:2759 38:1448 39:247 40:98 41:2993 42:592 43:1917 44:101 45:3933 46:3031 47:198 49:1350 50:1051 51:48 52:990 54:357 55:4 56:10 57:48 58:1424 59:924 60:418 61:2094 62:1811 63:1803 64:4715 65:2220 66:4604 67:2366 68:1172 69:3203 70:1182 71:557 72:2107 74:2717 75:412 76:426 77:1552 78:1725 79:1752 80:1487 81:1440 82:1082 83:777 84:1009 85:2075 86:578 87:1291 88:929 89:2320 90:200 91:6294 92:1171 93:2370 94:2386 95:2720 96:657 97:356 98:929 99:129 100:79 101:1125 102:31 103:17201 104:3283 105:223 106:588 107:1792 108:707 109:2721 110:1553 111:1769 112:1307 113:1329 114:1087 115:1619 116:1604 117:1713 118:2139 119:1666 120:963 121:999 122:2413 123:1795 124:1370 125:1830 128:944 129:617 130:427 131:1586 132:667 133:195 134:984 135:222 136:450 137:487 138:1945 139:572 140:352 141:691 142:780 143:957 144:802 145:452 146:1148 147:740 148:1543 149:710 150:733 151:981 152:748 153:309 154:1009 155:761 156:840 157:775 158:626 159:1542 160:911 161:723 162:2547 163:516 164:1027 165:1402 166:403 167:1387 168:3060 169:808 170:3707 171:422 172:1065 173:1948 174:875 175:746 176:1740 177:3959 178:2423 179:1203 180:2228 181:2177 182:2444 183:1125 184:914 185:12971 186:3575 187:2323 188:2727 189:1992 190:8134 191:1414 192:9746 193:5900 194:4784 195:3959 196:2478 197:1438 198:5476 199:5891 200:7383 201:4992 202:9728 203:10025 204:4504 205:2847 206:2996 207:3159 208:4001 209:3922 210:3512 211:1860 212:2973 213:2709 214:904 215:59 216:5837 217:2155 218:836 219:396 220:1697 221:992 222:829 223:1214
End of report
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