[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews PacWave (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Nov 22 22:40:50 UTC 2024
IPv4 R&E Routing Table Report 22:40 GMT Fri 22 Nov, 2024
IPv4 BGP Table (R&E) as seen at RouteViews PacWave.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/PacWave/
Analysis Summary
----------------
BGP routing table entries examined: 31900
Prefixes after maximum aggregation (per Origin AS): 15474
Deaggregation factor: 2.06
Unique aggregates announced (without unneeded subnets): 18458
Total ASes present in the Internet Routing Table: 2841
Prefixes per ASN: 11.23
Origin-only ASes present in the Internet Routing Table: 2460
Origin ASes announcing only one prefix: 1090
Transit ASes present in the Internet Routing Table: 381
Transit-only ASes present in the Internet Routing Table: 60
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.4
Max AS path length visible: 27
Max AS path prepend of ASN (138136) 20
Prefixes from unregistered ASNs in the Routing Table: 4
Number of instances of unregistered ASNs: 4
Number of 32-bit ASNs allocated by the RIRs: 45863
Number of 32-bit ASNs visible in the Routing Table: 689
Prefixes from 32-bit ASNs in the Routing Table: 4820
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 9
Number of addresses announced to Internet: 345459200
Equivalent to 20 /8s, 151 /16s and 74 /24s
Percentage of available address space announced: 9.3
Percentage of allocated address space announced: 9.3
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: 4261
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4627
Total APNIC prefixes after maximum aggregation: 2282
APNIC Deaggregation factor: 2.03
Prefixes being announced from the APNIC address blocks: 4822
Unique aggregates announced from the APNIC address blocks: 2842
APNIC Region origin ASes present in the Internet Routing Table: 567
APNIC Prefixes per ASN: 8.50
APNIC Region origin ASes announcing only one prefix: 242
APNIC Region transit ASes present in the Internet Routing Table: 58
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 27
Number of APNIC region 32-bit ASNs visible in the Routing Table: 212
Number of APNIC addresses announced to Internet: 47241728
Equivalent to 2 /8s, 208 /16s and 218 /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: 21085
Total ARIN prefixes after maximum aggregation: 9548
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 20326
Unique aggregates announced from the ARIN address blocks: 11093
ARIN Region origin ASes present in the Internet Routing Table: 1334
ARIN Prefixes per ASN: 15.24
ARIN Region origin ASes announcing only one prefix: 461
ARIN Region transit ASes present in the Internet Routing Table: 161
Average ARIN Region AS path length visible: 2.9
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 226
Number of ARIN addresses announced to Internet: 208811008
Equivalent to 12 /8s, 114 /16s and 52 /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, 393216-402332
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,
54/8, 55/8, 56/8, 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: 3650
Total RIPE prefixes after maximum aggregation: 2925
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 4197
Unique aggregates announced from the RIPE address blocks: 3558
RIPE Region origin ASes present in the Internet Routing Table: 671
RIPE Prefixes per ASN: 6.25
RIPE Region origin ASes announcing only one prefix: 300
RIPE Region transit ASes present in the Internet Routing Table: 109
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 158
Number of RIPE addresses announced to Internet: 82098432
Equivalent to 4 /8s, 228 /16s and 185 /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,
53/8, 57/8, 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: 1378
Total LACNIC prefixes after maximum aggregation: 542
LACNIC Deaggregation factor: 2.54
Prefixes being announced from the LACNIC address blocks: 1383
Unique aggregates announced from the LACNIC address blocks: 730
LACNIC Region origin ASes present in the Internet Routing Table: 155
LACNIC Prefixes per ASN: 8.92
LACNIC Region origin ASes announcing only one prefix: 55
LACNIC Region transit ASes present in the Internet Routing Table: 23
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 63
Number of LACNIC addresses announced to Internet: 4691712
Equivalent to 0 /8s, 71 /16s and 151 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + 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: 1156
Total AfriNIC prefixes after maximum aggregation: 173
AfriNIC Deaggregation factor: 6.68
Prefixes being announced from the AfriNIC address blocks: 1163
Unique aggregates announced from the AfriNIC address blocks: 226
AfriNIC Region origin ASes present in the Internet Routing Table: 52
AfriNIC Prefixes per ASN: 22.37
AfriNIC Region origin ASes announcing only one prefix: 32
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 20
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 30
Number of AfriNIC addresses announced to Internet: 2611968
Equivalent to 0 /8s, 39 /16s and 219 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & 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
2907 590 2170 464 SINET-AS Research Organization of Informa
7497 446 180 24 CSTNET-AS-AP Computer Network Information
1237 191 74 145 KREONET-AS-KR KISTI, KR
58647 181 18 2 KAGAWAU-AS Kagawa University, JP
7575 171 313 114 AARNET-AS-AP Australian Academic and Rese
4538 139 4192 71 ERX-CERNET-BKB China Education and Resear
55824 131 18 18 NKN-CORE-NW NKN Core Network, IN
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha
4621 69 37 10 UNINET-AS-AP UNINET-, TH
2697 59 4 34 ERX-ERNET-AS Education and Research Netwo
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 5083 4838 2405 AMAZON-02, US
396982 2882 3655 431 GOOGLE-CLOUD-PLATFORM, US
714 1151 4392 5 APPLE-ENGINEERING, US
14618 1012 4443 764 AMAZON-AES, US
15169 915 2011 69 GOOGLE, US
8075 679 16014 570 MICROSOFT-CORP-MSN-AS-BLOCK, US
2152 511 507 99 CENIC-2152, US
2920 229 44 49 LACOE, US
668 202 648 171 DNIC-AS-00668, US
376 201 162 150 RISQ-AS, CA
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 283 1899 249 DFN Verein zur Foerderung eines Deutschen
786 186 1767 183 JANET Jisc Services Limited, GB
8895 131 24 5 ISU Internet Services Unit ISU, SA
559 114 533 104 SWITCH Peering requests: peering at switch.c
1103 96 1743 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 26 73 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnolog
8987 79 226 56 AMAZON EXPANSION, IE
553 78 462 78 BELWUE BelWue-Koordination, DE
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 217 178 42 Rede Nacional de Ensino e Pesquisa, BR
28391 154 10 68 Universidad Juarez Autonoma de Tabasco, M
11340 110 25 53 Red Universitaria Nacional, CL
61468 52 5 18 CEDIA, EC
2715 49 99 35 Fundacao Carlos Chagas Filho de Amparo a
4270 48 16 2 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR
28614 38 2 2 Fundacao Universidade Regional de Blumena
1251 37 31 26 FUNDACAO DE AMPARO A PESQUISA DO ESTADO S
3596 37 8 4 Universidad Autonoma Metropolitana, MX
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 549 82 3 KENET-AS, KE
2018 380 319 71 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
37215 32 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37074 15 8 2 UG-AS, GH
327700 15 16 1 MoRENet, MZ
37661 12 8 4 NRaE1-AS, NG
37501 11 49 6 UOFS, ZA
36982 8 33 8 UCT, ZA
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 5083 4838 2405 AMAZON-02, US
396982 2882 3655 431 GOOGLE-CLOUD-PLATFORM, US
714 1151 4392 5 APPLE-ENGINEERING, US
14618 1012 4443 764 AMAZON-AES, US
15169 915 2011 69 GOOGLE, US
8075 679 16014 570 MICROSOFT-CORP-MSN-AS-BLOCK, US
2907 590 2170 464 SINET-AS Research Organization of Informa
36914 549 82 3 KENET-AS, KE
2152 511 507 99 CENIC-2152, US
7497 446 180 24 CSTNET-AS-AP Computer Network Information
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
396982 2882 2451 GOOGLE-CLOUD-PLATFORM, US
714 1151 1146 APPLE-ENGINEERING, US
15169 915 846 GOOGLE, US
36914 549 546 KENET-AS, KE
7497 446 422 CSTNET-AS-AP Computer Network Information Cente
2152 511 412 CENIC-2152, US
2018 380 309 TENET-1, ZA
14618 1012 248 AMAZON-AES, US
5786 198 197 UPRENET, PR
2920 229 180 LACOE, US
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
65208 PRIVATE 63.225.1.0/24 11570 AS11570, US
26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US
65208 PRIVATE 206.206.156.0/22 11570 AS11570, US
65208 PRIVATE 216.161.32.0/23 11570 AS11570, US
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
64.186.3.0/24 Origin: 16509 AMAZON-02, US
64.186.3.0/24 Transit: 101 WASH-NSF-AS, US
103.165.160.0/24 Origin: 16509 AMAZON-02, US
103.165.160.0/24 Transit: 101 WASH-NSF-AS, US
103.177.50.0/23 Origin: 396982 GOOGLE-CLOUD-PLATFORM, US
103.177.50.0/23 Transit: 15169 GOOGLE, US
164.160.192.0/21 Origin: 37661 NRaE1-AS, NG
164.160.192.0/21 Transit: 37288 WACREN, SN
198.135.168.0/24 Origin: 14618 AMAZON-AES, US
198.135.168.0/24 Transit: 16509 AMAZON-02, US
Complete listing at https://bgp.nsrc.org/REN/PacWave/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 /8:1 /9:3 /10:3 /11:11 /12:38
/13:52 /14:117 /15:234 /16:2423 /17:625 /18:600
/19:866 /20:3035 /21:1568 /22:2284 /23:2450 /24:17590
/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
16509 870 5083 AMAZON-02, US
36914 525 549 KENET-AS, KE
14618 326 1012 AMAZON-AES, US
15169 267 915 GOOGLE, US
396982 259 2882 GOOGLE-CLOUD-PLATFORM, US
8895 126 131 ISU Internet Services Unit ISU, SA
8075 122 679 MICROSOFT-CORP-MSN-AS-BLOCK, US
2152 61 511 CENIC-2152, US
23024 37 95 OCDE, US
32440 37 63 LONI, US
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:3 2:1 3:261 4:2 5:24 6:4
8:28 12:2 13:170 14:92 15:136 16:126
17:306 18:322 23:124 24:3 31:5 34:22
35:80 36:1 37:8 38:11 40:6 41:227
42:11 43:2 44:7 45:85 46:14 47:1
49:10 50:16 52:862 54:187 57:10 58:1
59:3 60:5 61:3 62:15 63:46 64:179
65:49 66:118 67:78 68:27 69:67 70:41
71:41 72:21 74:164 75:1 76:49 77:12
78:3 79:10 80:13 81:26 82:7 83:7
84:9 85:52 86:5 87:4 88:1 89:23
91:61 92:9 93:45 94:7 95:3 96:6
97:1 98:15 99:79 101:2 102:16 103:360
104:250 107:42 108:171 109:7 111:22 113:6
114:32 115:1 116:14 117:66 118:1 119:23
121:28 122:11 123:8 124:42 125:5 128:58
129:41 130:171 131:80 132:65 133:154 134:111
135:7 136:312 137:120 138:72 139:22 140:50
141:15 142:341 143:40 144:74 145:8 146:138
147:82 148:206 149:20 150:48 151:51 152:154
153:14 154:39 155:105 156:138 157:42 158:47
159:162 160:36 161:51 162:111 163:75 164:29
165:78 166:7 167:41 168:187 169:15 170:204
171:1 172:125 173:125 174:2 175:16 176:6
177:6 178:3 179:14 180:16 181:1 182:11
184:9 185:150 186:3 187:21 188:19 189:2
190:18 191:13 192:1690 193:301 194:134 195:81
196:146 197:335 198:632 199:403 200:273 201:37
202:662 203:462 204:455 205:215 206:250 207:354
208:170 209:268 210:219 211:3 212:176 213:23
214:8 216:254 217:14 218:21 219:6 220:17
222:2 223:15
End of report
More information about the ren-bgp-stats-all
mailing list