[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews PacWave (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Nov 26 22:40:51 UTC 2024
IPv4 R&E Routing Table Report 22:40 GMT Tue 26 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: 31985
Prefixes after maximum aggregation (per Origin AS): 15461
Deaggregation factor: 2.07
Unique aggregates announced (without unneeded subnets): 18437
Total ASes present in the Internet Routing Table: 2835
Prefixes per ASN: 11.28
Origin-only ASes present in the Internet Routing Table: 2458
Origin ASes announcing only one prefix: 1090
Transit ASes present in the Internet Routing Table: 377
Transit-only ASes present in the Internet Routing Table: 58
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.5
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: 45896
Number of 32-bit ASNs visible in the Routing Table: 690
Prefixes from 32-bit ASNs in the Routing Table: 4884
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: 345494528
Equivalent to 20 /8s, 151 /16s and 212 /24s
Percentage of available address space announced: 9.3
Percentage of allocated address space announced: 9.3
Percentage of available address space allocated: 100.1
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 4262
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4668
Total APNIC prefixes after maximum aggregation: 2280
APNIC Deaggregation factor: 2.05
Prefixes being announced from the APNIC address blocks: 4864
Unique aggregates announced from the APNIC address blocks: 2840
APNIC Region origin ASes present in the Internet Routing Table: 567
APNIC Prefixes per ASN: 8.58
APNIC Region origin ASes announcing only one prefix: 243
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: 213
Number of APNIC addresses announced to Internet: 47252480
Equivalent to 2 /8s, 209 /16s and 4 /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: 21073
Total ARIN prefixes after maximum aggregation: 9547
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 20308
Unique aggregates announced from the ARIN address blocks: 11074
ARIN Region origin ASes present in the Internet Routing Table: 1334
ARIN Prefixes per ASN: 15.22
ARIN Region origin ASes announcing only one prefix: 462
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: 227
Number of ARIN addresses announced to Internet: 208836608
Equivalent to 12 /8s, 114 /16s and 152 /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: 3647
Total RIPE prefixes after maximum aggregation: 2919
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 4199
Unique aggregates announced from the RIPE address blocks: 3560
RIPE Region origin ASes present in the Internet Routing Table: 667
RIPE Prefixes per ASN: 6.30
RIPE Region origin ASes announcing only one prefix: 297
RIPE Region transit ASes present in the Internet Routing Table: 107
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: 156
Number of RIPE addresses announced to Internet: 82066944
Equivalent to 4 /8s, 228 /16s and 62 /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: 1434
Total LACNIC prefixes after maximum aggregation: 537
LACNIC Deaggregation factor: 2.67
Prefixes being announced from the LACNIC address blocks: 1439
Unique aggregates announced from the LACNIC address blocks: 727
LACNIC Region origin ASes present in the Internet Routing Table: 154
LACNIC Prefixes per ASN: 9.34
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: 64
Number of LACNIC addresses announced to Internet: 4656640
Equivalent to 0 /8s, 71 /16s and 14 /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: 1159
Total AfriNIC prefixes after maximum aggregation: 174
AfriNIC Deaggregation factor: 6.66
Prefixes being announced from the AfriNIC address blocks: 1166
Unique aggregates announced from the AfriNIC address blocks: 227
AfriNIC Region origin ASes present in the Internet Routing Table: 53
AfriNIC Prefixes per ASN: 22.00
AfriNIC Region origin ASes announcing only one prefix: 33
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: 2677504
Equivalent to 0 /8s, 40 /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 132 18 18 NKN-CORE-NW NKN Core Network, IN
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha
4621 68 37 10 UNINET-AS-AP UNINET-, TH
2697 60 4 35 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 5074 4837 2405 AMAZON-02, US
396982 2882 3655 431 GOOGLE-CLOUD-PLATFORM, US
714 1152 4392 5 APPLE-ENGINEERING, US
14618 1011 4443 763 AMAZON-AES, US
15169 914 2011 69 GOOGLE, US
8075 684 16014 575 MICROSOFT-CORP-MSN-AS-BLOCK, US
2152 512 507 99 CENIC-2152, US
2920 229 44 49 LACOE, US
668 205 648 174 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 132 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
8987 80 226 57 AMAZON EXPANSION, IE
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnolog
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 218 178 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
271640 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
61468 51 5 17 CEDIA, EC
2715 49 99 35 Fundacao Carlos Chagas Filho de Amparo a
19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR
4270 46 16 1 Red de Interconexion Universitaria, AR
28614 38 2 2 Fundacao Universidade Regional de Blumena
1251 37 31 26 FUNDACAO DE AMPARO A PESQUISA DO ESTADO S
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 551 82 3 KENET-AS, KE
2018 381 319 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 14 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 5074 4837 2405 AMAZON-02, US
396982 2882 3655 431 GOOGLE-CLOUD-PLATFORM, US
714 1152 4392 5 APPLE-ENGINEERING, US
14618 1011 4443 763 AMAZON-AES, US
15169 914 2011 69 GOOGLE, US
8075 684 16014 575 MICROSOFT-CORP-MSN-AS-BLOCK, US
2907 590 2170 464 SINET-AS Research Organization of Informa
36914 551 82 3 KENET-AS, KE
2152 512 507 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 1152 1147 APPLE-ENGINEERING, US
15169 914 845 GOOGLE, US
36914 551 548 KENET-AS, KE
7497 446 422 CSTNET-AS-AP Computer Network Information Cente
2152 512 413 CENIC-2152, US
2018 381 310 TENET-1, ZA
14618 1011 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 /17:626 /18:600
/19:867 /20:3035 /21:1567 /22:2276 /23:2454 /24:17678
/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 867 5074 AMAZON-02, US
36914 527 551 KENET-AS, KE
14618 326 1011 AMAZON-AES, US
15169 267 914 GOOGLE, US
396982 258 2882 GOOGLE-CLOUD-PLATFORM, US
8895 127 132 ISU Internet Services Unit ISU, SA
8075 122 684 MICROSOFT-CORP-MSN-AS-BLOCK, US
2152 61 512 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 13:167 14:93 15:136 16:126
17:307 18:321 23:124 24:3 31:5 34:22
35:80 36:1 37:8 38:11 40:5 41:223
42:11 43:2 44:6 45:85 46:14 47:1
49:10 50:16 52:862 54:187 57:10 58:1
59:19 60:5 61:3 62:15 63:46 64:178
65:49 66:118 67:78 68:27 69:67 70:41
71:40 72:21 74:164 75:1 76:49 77:12
78:3 79:10 80:13 81:26 82:7 83:7
84:9 85:51 86:5 87:4 88:1 89:23
91:61 92:9 93:45 94:7 95:3 96:6
97:1 98:15 99:79 101:2 102:16 103:359
104:250 107:42 108:171 109:8 111:22 113:5
114:32 115:1 116:14 117:66 118:33 119:23
121:28 122:11 123:8 124:42 125:5 128:58
129:40 130:170 131:80 132:65 133:154 134:111
135:7 136:312 137:121 138:72 139:22 140:50
141:15 142:341 143:40 144:75 145:8 146:138
147:82 148:206 149:20 150:48 151:51 152:154
153:14 154:39 155:105 156:138 157:42 158:44
159:162 160:36 161:51 162:112 163:75 164:29
165:78 166:7 167:41 168:186 169:15 170:204
171:1 172:124 173:124 174:2 175:16 176:6
177:6 178:3 179:14 180:16 181:1 182:11
184:10 185:150 186:3 187:21 188:19 189:2
190:18 191:13 192:1687 193:300 194:133 195:82
196:147 197:340 198:628 199:404 200:335 201:37
202:660 203:462 204:451 205:215 206:250 207:353
208:170 209:268 210:219 211:3 212:177 213:23
214:8 216:255 217:14 218:21 219:6 220:17
222:2 223:15
End of report
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