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[bgp-stats] Routing Table Report - London view
Routing Table Report 08:00 +10GMT Sat 28 Dec, 2019
Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary ----------------
BGP routing table entries examined: 779523 Prefixes after maximum aggregation (per Origin AS): 299865 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 386844 Total ASes present in the Internet Routing Table: 66470 Prefixes per ASN: 11.73 Origin-only ASes present in the Internet Routing Table: 57393 Origin ASes announcing only one prefix: 24157 Transit ASes present in the Internet Routing Table: 9077 Transit-only ASes present in the Internet Routing Table: 281 Average AS path length visible in the Internet Routing Table: 3.9 Max AS path length visible: 37 Max AS path prepend of ASN (203430) 31 Prefixes from unregistered ASNs in the Routing Table: 1331 Number of instances of unregistered ASNs: 1337 Number of 32-bit ASNs allocated by the RIRs: 29978 Number of 32-bit ASNs visible in the Routing Table: 24645 Prefixes from 32-bit ASNs in the Routing Table: 112449 Number of bogon 32-bit ASNs visible in the Routing Table: 41 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 290 Number of addresses announced to Internet: 2844298240 Equivalent to 169 /8s, 136 /16s and 140 /24s Percentage of available address space announced: 76.8 Percentage of allocated address space announced: 76.8 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.4 Total number of prefixes smaller than registry allocations: 262467
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 201720 Total APNIC prefixes after maximum aggregation: 60280 APNIC Deaggregation factor: 3.35 Prefixes being announced from the APNIC address blocks: 195905 Unique aggregates announced from the APNIC address blocks: 84493 APNIC Region origin ASes present in the Internet Routing Table: 10190 APNIC Prefixes per ASN: 19.23 APNIC Region origin ASes announcing only one prefix: 2850 APNIC Region transit ASes present in the Internet Routing Table: 1475 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 22 Number of APNIC region 32-bit ASNs visible in the Routing Table: 5297 Number of APNIC addresses announced to Internet: 766394624 Equivalent to 45 /8s, 174 /16s and 65 /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, 131072-141625 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: 230590 Total ARIN prefixes after maximum aggregation: 106953 ARIN Deaggregation factor: 2.16 Prefixes being announced from the ARIN address blocks: 228405 Unique aggregates announced from the ARIN address blocks: 116180 ARIN Region origin ASes present in the Internet Routing Table: 18301 ARIN Prefixes per ASN: 12.48 ARIN Region origin ASes announcing only one prefix: 6739 ARIN Region transit ASes present in the Internet Routing Table: 1853 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 3075 Number of ARIN addresses announced to Internet: 1073896704 Equivalent to 64 /8s, 2 /16s and 93 /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, 393216-399260 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: 222817 Total RIPE prefixes after maximum aggregation: 103992 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 218916 Unique aggregates announced from the RIPE address blocks: 129979 RIPE Region origin ASes present in the Internet Routing Table: 26712 RIPE Prefixes per ASN: 8.20 RIPE Region origin ASes announcing only one prefix: 11709 RIPE Region transit ASes present in the Internet Routing Table: 3644 Average RIPE Region AS path length visible: 3.8 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 8800 Number of RIPE addresses announced to Internet: 723609344 Equivalent to 43 /8s, 33 /16s and 103 /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 196608-210331 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: 101892 Total LACNIC prefixes after maximum aggregation: 23455 LACNIC Deaggregation factor: 4.34 Prefixes being announced from the LACNIC address blocks: 103067 Unique aggregates announced from the LACNIC address blocks: 45258 LACNIC Region origin ASes present in the Internet Routing Table: 9257 LACNIC Prefixes per ASN: 11.13 LACNIC Region origin ASes announcing only one prefix: 2382 LACNIC Region transit ASes present in the Internet Routing Table: 1736 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 37 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 6828 Number of LACNIC addresses announced to Internet: 173834496 Equivalent to 10 /8s, 92 /16s and 129 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-270748 + 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: 21173 Total AfriNIC prefixes after maximum aggregation: 4395 AfriNIC Deaggregation factor: 4.82 Prefixes being announced from the AfriNIC address blocks: 32940 Unique aggregates announced from the AfriNIC address blocks: 10699 AfriNIC Region origin ASes present in the Internet Routing Table: 1348 AfriNIC Prefixes per ASN: 24.44 AfriNIC Region origin ASes announcing only one prefix: 477 AfriNIC Region transit ASes present in the Internet Routing Table: 262 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 21 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 645 Number of AfriNIC addresses announced to Internet: 106270976 Equivalent to 6 /8s, 85 /16s and 145 /24s AfriNIC AS Blocks 36864-37887, 327680-328703 & 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 7545 5159 635 592 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3288 1331 22 VIETEL-AS-AP Viettel Group, VN 45899 3118 1781 106 VNPT-AS-VN VNPT Corp, VN 7713 2696 798 495 TELKOMNET-AS-AP PT Telekomunikasi Indon 9808 2603 9043 60 CMNET-GD Guangdong Mobile Communication 9498 2215 433 214 BBIL-AP BHARTI Airtel Ltd., IN 9829 2208 1389 286 BSNL-NIB National Internet Backbone, IN 4755 2149 442 196 TATACOMM-AS TATA Communications formerl 9394 2093 4898 22 CTTNET China TieTong Telecommunications 4766 2074 11102 562 KIXS-AS-KR Korea Telecom, KR
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 7155 4047 280 27 VIASAT-SP-BACKBONE - ViaSat,Inc., US 11492 3849 253 645 CABLEONE - CABLE ONE, INC., US 16509 3789 7701 1675 AMAZON-02 - Amazon.com, Inc., US 22773 3511 2972 155 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi 6327 3362 1324 93 SHAW - Shaw Communications Inc., CA 16625 2965 1555 2130 AKAMAI-AS - Akamai Technologies, Inc., 30036 2277 357 89 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom 209 2172 5067 545 CENTURYLINK-US-LEGACY-QWEST - CenturyLi 20115 2134 2773 518 CHARTER-20115 - Charter Communications, 18566 2062 405 103 MEGAPATH5-US - MegaPath Corporation, US
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 5853 1631 135 UNI2-AS, ES 39891 4034 219 19 ALJAWWALSTC-AS, SA 31334 3361 484 13 KABELDEUTSCHLAND-AS, DE 8551 3058 379 46 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 20940 2808 471 1959 AKAMAI-ASN1, US 12389 2390 2237 700 ROSTELECOM-AS, RU 34984 2047 348 558 TELLCOM-AS, TR 9009 2028 218 1097 M247, GB 9121 1876 1691 18 TTNET, TR 13188 1602 100 55 TRIOLAN, UA
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 6172 3299 612 Uninet S.A. de C.V., MX 10620 3364 534 463 Telmex Colombia S.A., CO 11830 2681 369 63 Instituto Costarricense de Electricidad 6503 1685 323 389 Axtel, S.A.B. de C.V., MX 7303 1480 1027 263 Telecom Argentina S.A., AR 28573 1265 2234 206 CLARO S.A., BR 13999 1143 495 264 Mega Cable, S.A. de C.V., MX 3816 1118 560 132 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1102 379 39 Telefonica del Peru S.A.A., PE 11172 944 112 66 Alestra, S. de R.L. de C.V., MX
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 1245 393 23 LINKdotNET-AS, EG 36992 1033 1535 73 ETISALAT-MISR, EG 24835 978 566 24 RAYA-AS, EG 36903 876 452 97 MT-MPLS, MA 6713 622 1863 34 IAM-AS, MA 29571 558 68 11 ORANGE-COTE-IVOIRE, CI 37342 483 32 1 MOVITEL, MZ 36935 371 522 40 Vodafone-, EG 23889 354 231 15 MauritiusTelecom, MU 15399 347 45 10 WANANCHI-, KE
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 6172 3299 612 Uninet S.A. de C.V., MX 12479 5853 1631 135 UNI2-AS, ES 7545 5159 635 592 TPG-INTERNET-AP TPG Telecom Limited, AU 7155 4047 280 27 VIASAT-SP-BACKBONE - ViaSat,Inc., US 39891 4034 219 19 ALJAWWALSTC-AS, SA 11492 3849 253 645 CABLEONE - CABLE ONE, INC., US 16509 3789 7701 1675 AMAZON-02 - Amazon.com, Inc., US 22773 3511 2972 155 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi 10620 3364 534 463 Telmex Colombia S.A., CO 6327 3362 1324 93 SHAW - Shaw Communications Inc., CA
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggregation summary -----------------------------------------
ASN No of nets Net Savings Description 12479 5853 5718 UNI2-AS, ES 7545 5159 4567 TPG-INTERNET-AP TPG Telecom Limited, AU 7155 4047 4020 VIASAT-SP-BACKBONE - ViaSat,Inc., US 39891 4034 4015 ALJAWWALSTC-AS, SA 22773 3511 3356 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 31334 3361 3348 KABELDEUTSCHLAND-AS, DE 6327 3362 3269 SHAW - Shaw Communications Inc., CA 7552 3288 3266 VIETEL-AS-AP Viettel Group, VN 11492 3849 3204 CABLEONE - CABLE ONE, INC., US 45899 3118 3012 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 Net Originated Transit AS Transit AS Name 4200111000 PRIVATE 8.20.0.0/23 35873 MOVE-NETWORKS - Move Network 16589 UNALLOCATED 8.20.241.0/24 23393 NUCDN - NuCDN LLC, US 16589 UNALLOCATED 8.20.243.0/24 23393 NUCDN - NuCDN LLC, US 16589 UNALLOCATED 8.20.247.0/24 23393 NUCDN - NuCDN LLC, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3 - Level 3 Parent, LLC 393266 UNALLOCATED 8.23.52.0/24 174 COGENT-174 - Cogent Communic 62485 UNALLOCATED 8.23.229.0/24 3356 LEVEL3 - Level 3 Parent, LLC 16589 UNALLOCATED 8.26.56.0/24 23393 NUCDN - NuCDN LLC, US 32985 UNALLOCATED 8.28.31.0/24 3356 LEVEL3 - Level 3 Parent, LLC 394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174 - Cogent Communic
Complete listing at http://thyme.rand.apnic.net/london/data-badAS
Advertised Unallocated Addresses --------------------------------
Network Originated Origin AS Transit AS Origin AS Name 23.136.224.0/24 15206 174 UNASSIGNED 27.100.7.0/24 56096 45455 UNASSIGNED 27.126.156.0/23 55827 9930 UNASSIGNED 27.126.156.0/22 55827 9930 UNASSIGNED 27.126.158.0/23 55827 9930 UNASSIGNED 41.67.192.0/24 15964 12956 CAMNET-AS, CM 41.67.192.0/18 15964 12956 CAMNET-AS, CM 41.67.200.0/24 15964 12956 CAMNET-AS, CM 41.67.201.0/24 15964 12956 CAMNET-AS, CM 41.67.202.0/24 15964 12956 CAMNET-AS, CM
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 /8:10 /9:11 /10:36 /11:98 /12:282 /13:577 /14:1157 /15:1915 /16:13336 /17:8025 /18:13742 /19:25354 /20:38881 /21:46731 /22:97581 /23:79668 /24:452119 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 12479 4814 5853 UNI2-AS, ES 31334 3206 3361 KABELDEUTSCHLAND-AS, DE 6327 3151 3362 SHAW - Shaw Communications Inc., CA 7155 3139 4047 VIASAT-SP-BACKBONE - ViaSat,Inc., US 11492 3002 3849 CABLEONE - CABLE ONE, INC., US 39891 2946 4034 ALJAWWALSTC-AS, SA 22773 2731 3511 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 8551 2517 3058 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11830 2029 2681 Instituto Costarricense de Electricidad y Telec 30036 2026 2277 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:1510 2:1151 3:12 4:17 5:3202 6:47 8:1334 9:1 12:1800 13:494 14:2172 15:53 16:9 17:280 18:79 20:56 23:3149 24:2612 25:2 27:2508 31:2826 32:85 35:46 36:937 37:3232 38:1803 39:310 40:131 41:3326 42:628 43:2078 44:187 45:12668 46:3234 47:262 49:1412 50:1136 51:344 52:1128 54:275 55:698 56:6 57:52 58:1765 59:1022 60:664 61:2170 62:2130 63:1923 64:5006 65:2295 66:4799 67:2821 68:1227 69:3814 70:1393 71:671 72:2751 74:2687 75:1437 76:666 77:2537 78:1972 79:2311 80:1790 81:1540 82:1200 83:951 84:1202 85:2553 86:585 87:1651 88:1061 89:2668 90:259 91:7436 92:1457 93:2443 94:2590 95:3694 96:1010 97:339 98:963 99:963 100:68 101:935 102:719 103:22665 104:3596 105:374 106:846 107:1838 108:690 109:3606 110:1750 111:1894 112:1540 113:1283 114:1293 115:1792 116:1757 117:2000 118:2068 119:1638 120:846 121:974 122:2353 123:1857 124:1532 125:1965 128:1327 129:902 130:570 131:1856 132:769 133:296 134:1269 135:273 136:594 137:855 138:2187 139:968 140:594 141:858 142:810 143:1111 144:937 145:292 146:1429 147:1003 148:1893 149:1027 150:808 151:1247 152:1446 153:368 154:4618 155:879 156:3076 157:1077 158:694 159:1933 160:1678 161:1055 162:2997 163:871 164:1359 165:1214 166:526 167:1436 168:3561 169:489 170:4189 171:733 172:1857 173:2338 174:1037 175:990 176:2685 177:4112 178:2827 179:1425 180:2156 181:2378 182:2775 183:1088 184:2408 185:15861 186:3879 187:2554 188:3448 189:2070 190:8294 191:1462 192:10135 193:7245 194:5908 195:4238 196:3361 197:1855 198:6018 199:5899 200:7124 201:5147 202:9999 203:10109 204:4470 205:3061 206:3191 207:3189 208:3988 209:4317 210:3685 211:1861 212:3261 213:2993 214:1142 215:53 216:5904 217:2299 218:866 219:419 220:1967 221:923 222:833 223:1354
End of report
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