[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews PacWave (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Feb 28 22:40:40 UTC 2024
IPv4 R&E Routing Table Report 22:40 GMT Wed 28 Feb, 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: 28997
Prefixes after maximum aggregation (per Origin AS): 14584
Deaggregation factor: 1.99
Unique aggregates announced (without unneeded subnets): 17260
Total ASes present in the Internet Routing Table: 2801
Prefixes per ASN: 10.35
Origin-only ASes present in the Internet Routing Table: 2428
Origin ASes announcing only one prefix: 1076
Transit ASes present in the Internet Routing Table: 373
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: 14
Max AS path prepend of ASN ( 47805) 11
Prefixes from unregistered ASNs in the Routing Table: 13
Number of instances of unregistered ASNs: 13
Number of 32-bit ASNs allocated by the RIRs: 43723
Number of 32-bit ASNs visible in the Routing Table: 662
Prefixes from 32-bit ASNs in the Routing Table: 4819
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: 6
Number of addresses announced to Internet: 311912448
Equivalent to 18 /8s, 151 /16s and 104 /24s
Percentage of available address space announced: 8.4
Percentage of allocated address space announced: 8.4
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: 3747
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4632
Total APNIC prefixes after maximum aggregation: 2269
APNIC Deaggregation factor: 2.04
Prefixes being announced from the APNIC address blocks: 4795
Unique aggregates announced from the APNIC address blocks: 2768
APNIC Region origin ASes present in the Internet Routing Table: 540
APNIC Prefixes per ASN: 8.88
APNIC Region origin ASes announcing only one prefix: 231
APNIC Region transit ASes present in the Internet Routing Table: 56
Average APNIC Region AS path length visible: 4.1
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 205
Number of APNIC addresses announced to Internet: 47109888
Equivalent to 2 /8s, 206 /16s and 215 /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: 18327
Total ARIN prefixes after maximum aggregation: 8622
ARIN Deaggregation factor: 2.13
Prefixes being announced from the ARIN address blocks: 17852
Unique aggregates announced from the ARIN address blocks: 10144
ARIN Region origin ASes present in the Internet Routing Table: 1305
ARIN Prefixes per ASN: 13.68
ARIN Region origin ASes announcing only one prefix: 453
ARIN Region transit ASes present in the Internet Routing Table: 168
Average ARIN Region AS path length visible: 3.1
Max ARIN Region AS path length visible: 14
Number of ARIN region 32-bit ASNs visible in the Routing Table: 211
Number of ARIN addresses announced to Internet: 189942784
Equivalent to 11 /8s, 82 /16s and 76 /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: 3644
Total RIPE prefixes after maximum aggregation: 2934
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3953
Unique aggregates announced from the RIPE address blocks: 3336
RIPE Region origin ASes present in the Internet Routing Table: 679
RIPE Prefixes per ASN: 5.82
RIPE Region origin ASes announcing only one prefix: 305
RIPE Region transit ASes present in the Internet Routing Table: 100
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: 148
Number of RIPE addresses announced to Internet: 67348224
Equivalent to 4 /8s, 3 /16s and 167 /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: 1387
Total LACNIC prefixes after maximum aggregation: 571
LACNIC Deaggregation factor: 2.43
Prefixes being announced from the LACNIC address blocks: 1393
Unique aggregates announced from the LACNIC address blocks: 775
LACNIC Region origin ASes present in the Internet Routing Table: 165
LACNIC Prefixes per ASN: 8.44
LACNIC Region origin ASes announcing only one prefix: 60
LACNIC Region transit ASes present in the Internet Routing Table: 26
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 69
Number of LACNIC addresses announced to Internet: 4743936
Equivalent to 0 /8s, 72 /16s and 99 /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: 994
Total AfriNIC prefixes after maximum aggregation: 177
AfriNIC Deaggregation factor: 5.62
Prefixes being announced from the AfriNIC address blocks: 998
Unique aggregates announced from the AfriNIC address blocks: 231
AfriNIC Region origin ASes present in the Internet Routing Table: 51
AfriNIC Prefixes per ASN: 19.57
AfriNIC Region origin ASes announcing only one prefix: 27
AfriNIC Region transit ASes present in the Internet Routing Table: 8
Average AfriNIC Region AS path length visible: 3.8
Max AfriNIC Region AS path length visible: 9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 29
Number of AfriNIC addresses announced to Internet: 2764544
Equivalent to 0 /8s, 42 /16s and 47 /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
2907 591 2162 464 SINET-AS Research Organization of Infor
7497 441 180 23 CSTNET-AS-AP Computer Network Informati
1237 192 74 142 KREONET-AS-KR KISTI, KR
58647 182 18 2 KAGAWAU-AS Kagawa University, JP
7575 173 329 116 AARNET-AS-AP Australian Academic and Re
4538 130 4192 73 ERX-CERNET-BKB China Education and Rese
55824 129 19 19 NKN-CORE-NW NKN Core Network, IN
4762 71 4 1 MAHIDOL-BORDER-AS Mahidol University, T
4621 68 37 10 UNINET-AS-AP UNINET-, TH
9411 66 16 2 NONTRINET-AS-AP Kasetsart University, T
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 4506 4653 2097 AMAZON-02, US
396982 2759 3639 396 GOOGLE-CLOUD-PLATFORM, US
14618 857 4161 647 AMAZON-AES, US
15169 835 2001 62 GOOGLE, US
8075 439 12796 369 MICROSOFT-CORP-MSN-AS-BLOCK, US
2152 426 507 96 CSUNET-NW, US
668 203 648 172 DNIC-AS-00668, US
376 201 162 151 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
36492 165 12 38 GOOGLEWIFI, US
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
680 284 1899 250 DFN Verein zur Foerderung eines Deutsch
786 184 1767 181 JANET Jisc Services Limited, GB
8895 134 24 5 ISU Internet Services Unit ISU, SA
559 114 533 104 SWITCH Peering requests: peering at switch
1103 95 1503 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 27 73 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnol
553 78 462 78 BELWUE BelWue-Koordination, DE
3267 77 44 68 RUNNET, RU
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
28391 154 10 67 Universidad Juarez Autonoma de Tabasco,
1916 149 176 42 Rede Nacional de Ensino e Pesquisa, BR
11340 107 24 51 Red Universitaria Nacional, CL
271640 68 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 49 16 2 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
2715 44 99 34 Fundacao Carlos Chagas Filho de Amparo
61468 41 3 13 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
1251 35 32 25 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
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
2018 380 319 71 TENET-1, ZA
36914 209 82 3 KENET-AS, KE
327687 162 28 3 RENU, UG
8094 47 48 18 PUKNET, ZA
327700 46 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
37501 11 49 6 UOFS, ZA
37654 11 1 6 RwEdNet-AS, RW
37215 9 8 1 MAREN, MW
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 4506 4653 2097 AMAZON-02, US
396982 2759 3639 396 GOOGLE-CLOUD-PLATFORM, US
14618 857 4161 647 AMAZON-AES, US
15169 835 2001 62 GOOGLE, US
2907 591 2162 464 SINET-AS Research Organization of Infor
7497 441 180 23 CSTNET-AS-AP Computer Network Informati
8075 439 12796 369 MICROSOFT-CORP-MSN-AS-BLOCK, US
2152 426 507 96 CSUNET-NW, US
2018 380 319 71 TENET-1, ZA
680 284 1899 250 DFN Verein zur Foerderung eines Deutsch
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 2759 2363 GOOGLE-CLOUD-PLATFORM, US
15169 835 773 GOOGLE, US
7497 441 418 CSTNET-AS-AP Computer Network Information Cente
2152 426 330 CSUNET-NW, US
2018 380 309 TENET-1, ZA
14618 857 210 AMAZON-AES, US
36914 209 206 KENET-AS, KE
5786 198 197 UPRENET, PR
58647 182 180 KAGAWAU-AS Kagawa University, JP
327687 162 159 RENU, UG
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 RESERVED, ZZ
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
11570 UNALLOCATED 192.94.216.0/24 40498 ABQG, US
11570 UNALLOCATED 192.207.226.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.106.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.107.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.108.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.188.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.189.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.190.0/24 40498 ABQG, US
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
45.42.252.0/22 Origin: 16509 AMAZON-02, US
45.42.252.0/22 Transit: 101 WASH-NSF-AS, US
64.186.3.0/24 Origin: 16509 AMAZON-02, US
64.186.3.0/24 Transit: 101 WASH-NSF-AS, US
170.39.88.0/24 Origin: 14618 AMAZON-AES, US
170.39.88.0/24 Transit: 16509 AMAZON-02, US
173.249.168.0/22 Origin: 16509 AMAZON-02, US
173.249.168.0/22 Transit: 101 WASH-NSF-AS, US
192.31.196.0/24 Origin: 112 RESERVED, ZZ
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
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 /8:0 /9:1 /10:3 /11:11 /12:33
/13:47 /14:112 /15:209 /16:2244 /17:576 /18:536
/19:775 /20:2881 /21:1346 /22:2085 /23:2182 /24:15956
/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 766 4506 AMAZON-02, US
14618 283 857 AMAZON-AES, US
15169 275 835 GOOGLE, US
396982 208 2759 GOOGLE-CLOUD-PLATFORM, US
36914 196 209 KENET-AS, KE
8895 129 134 ISU Internet Services Unit ISU, SA
8075 94 439 MICROSOFT-CORP-MSN-AS-BLOCK, US
23024 52 106 OCDE, US
2152 46 426 CSUNET-NW, US
327700 40 46 MoRENet, MZ
Complete listing at https://bgp.nsrc.org/REN/PacWave/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:3 2:1 3:144 4:2 5:22 6:4
8:28 12:1 13:181 14:89 15:132 16:113
18:277 23:120 24:3 31:3 34:24 35:58
38:8 40:6 41:122 42:10 43:2 44:8
45:72 46:15 47:1 49:9 50:12 52:868
54:189 58:1 59:19 60:6 61:3 62:16
63:46 64:181 65:43 66:111 67:68 68:22
69:61 70:44 71:46 72:17 74:152 76:49
77:13 78:3 79:10 80:13 81:26 82:5
83:7 84:11 85:47 86:4 87:4 88:1
89:21 91:63 92:7 93:5 94:6 95:3
96:6 97:1 98:14 99:79 101:3 102:40
103:326 104:246 107:49 108:166 109:10 111:17
113:4 114:32 115:1 116:12 117:61 118:33
119:19 121:27 122:11 123:8 124:42 125:5
128:85 129:50 130:155 131:81 132:59 133:157
134:112 135:4 136:303 137:180 138:64 139:19
140:46 141:8 142:292 143:37 144:70 145:5
146:135 147:74 148:206 149:18 150:49 151:32
152:136 153:14 154:29 155:85 156:71 157:30
158:46 159:157 160:36 161:47 162:122 163:95
164:26 165:61 166:2 167:27 168:165 169:11
170:206 171:1 172:119 173:124 174:2 175:25
176:13 177:5 178:2 179:13 180:15 181:1
182:1 184:3 185:134 186:3 187:17 188:21
189:3 190:16 191:13 192:1605 193:290 194:138
195:76 196:202 197:123 198:586 199:381 200:278
201:37 202:633 203:431 204:419 205:187 206:217
207:258 208:161 209:226 210:195 211:14 212:170
213:17 214:8 216:219 217:14 218:22 219:5
220:17 222:2 223:14
End of report
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