[REN-BGP-stats-all] IPv4 R&E Routing Table Report - WACREN (R&E) view

REN Routing Table Report cscora at frr.nsrc.org
Sat Oct 29 18:05:39 UTC 2022


IPv4 R&E Routing Table Report   18:05 GMT Sat 29 Oct, 2022

  IPv4 BGP Table (R&E) as seen at WACREN.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/WACREN/

Analysis Summary
----------------

BGP routing table entries examined:                               18524
    Prefixes after maximum aggregation (per Origin AS):           10442
    Deaggregation factor:                                          1.77
    Unique aggregates announced (without unneeded subnets):       11613
    Number of IPv4 prefixes with a valid ROA:                      4341
    Number of IPv4 prefixes with an invalid ROA:                     49
    Number of IPv4 prefixes with no ROA:                          14134
Total ASes present in the Internet Routing Table:                  2746
    Prefixes per ASN:                                              6.75
Origin-only ASes present in the Internet Routing Table:            2370
Origin ASes announcing only one prefix:                            1053
Transit ASes present in the Internet Routing Table:                 376
Transit-only ASes present in the Internet Routing Table:             67
Paths with bogon ASNs present in the IPv4 Routing Table:              1
Average AS path length visible in the Internet Routing Table:       4.7
    Max AS path length visible:                                      18
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                 6
    Number of instances of unregistered ASNs:                         6
Number of 32-bit ASNs allocated by the RIRs:                      40515
Number of 32-bit ASNs visible in the Routing Table:                 627
Prefixes from 32-bit ASNs in the Routing Table:                    1796
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:              2
Number of addresses announced to Internet:                    203133088
    Equivalent to 12 /8s, 27 /16s and 144 /24s
    Percentage of available address space announced:                5.5
    Percentage of allocated address space announced:                5.5
    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:        2148

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                     4796
    Total APNIC prefixes after maximum aggregation:                2315
    APNIC Deaggregation factor:                                    2.07
Prefixes being announced from the APNIC address blocks:            4797
    Unique aggregates announced from the APNIC address blocks:     2633
APNIC Region origin ASes present in the Internet Routing Table:     589
    APNIC Prefixes per ASN:                                        8.14
APNIC Region origin ASes announcing only one prefix:                253
APNIC Region transit ASes present in the Internet Routing Table:     66
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         18
Number of APNIC region 32-bit ASNs visible in the Routing Table:    230
Number of APNIC addresses announced to Internet:               46105920
    Equivalent to 2 /8s, 191 /16s and 133 /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, 131072-151865
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:                      7744
    Total ARIN prefixes after maximum aggregation:                 4491
    ARIN Deaggregation factor:                                     1.72
Prefixes being announced from the ARIN address blocks:             7759
    Unique aggregates announced from the ARIN address blocks:      5035
ARIN Region origin ASes present in the Internet Routing Table:     1209
    ARIN Prefixes per ASN:                                         6.42
ARIN Region origin ASes announcing only one prefix:                 426
ARIN Region transit ASes present in the Internet Routing Table:     158
Average ARIN Region AS path length visible:                         5.2
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     178
Number of ARIN addresses announced to Internet:                92381472
    Equivalent to 5 /8s, 129 /16s and 161 /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:                      3596
    Total RIPE prefixes after maximum aggregation:                 2847
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3587
    Unique aggregates announced from the RIPE address blocks:      2860
RIPE Region origin ASes present in the Internet Routing Table:      676
    RIPE Prefixes per ASN:                                         5.31
RIPE Region origin ASes announcing only one prefix:                 299
RIPE Region transit ASes present in the Internet Routing Table:      97
Average RIPE Region AS path length visible:                         3.8
    Max RIPE Region AS path length visible:                          13
Number of RIPE region 32-bit ASNs visible in the Routing Table:     141
Number of RIPE addresses announced to Internet:                57824256
    Equivalent to 3 /8s, 114 /16s and 84 /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
                       196608-213403
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:                    1451
    Total LACNIC prefixes after maximum aggregation:                583
    LACNIC Deaggregation factor:                                   2.49
Prefixes being announced from the LACNIC address blocks:           1448
    Unique aggregates announced from the LACNIC address blocks:     789
LACNIC Region origin ASes present in the Internet Routing Table:    163
    LACNIC Prefixes per ASN:                                       8.88
LACNIC Region origin ASes announcing only one prefix:                63
LACNIC Region transit ASes present in the Internet Routing Table:    23
Average LACNIC Region AS path length visible:                       5.7
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    65
Number of LACNIC addresses announced to Internet:               4212544
    Equivalent to 0 /8s, 64 /16s and 71 /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:                    931
    Total AfriNIC prefixes after maximum aggregation:               200
    AfriNIC Deaggregation factor:                                  4.66
Prefixes being announced from the AfriNIC address blocks:           931
    Unique aggregates announced from the AfriNIC address blocks:    294
AfriNIC Region origin ASes present in the Internet Routing Table:    36
    AfriNIC Prefixes per ASN:                                     25.86
AfriNIC Region origin ASes announcing only one prefix:               12
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      3.3
    Max AfriNIC Region AS path length visible:                        8
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   13
Number of AfriNIC addresses announced to Internet:              2608384
    Equivalent to 0 /8s, 39 /16s and 205 /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         578       2156     458  SINET-AS Research Organization of Infor
  7497         433        182      24  CSTNET-AS-AP Computer Network Informati
  1237         190         74     135  KREONET-AS-KR KISTI, KR
  4538         190       4192      73  ERX-CERNET-BKB China Education and Rese
  7575         175        329     121  AARNET-AS-AP Australian Academic and Re
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP
 55824         115         18      11  NKN-CORE-NW NKN Core Network, IN
  4621          78         37      10  UNINET-AS-AP UNINET-, TH
  9411          66         16       2  NONTRINET-AS-AP Kasetsart University, T
  4762          65          4       1  MAHIDOL-BORDER-AS Mahidol University, T

Complete listing at https://bgp.nsrc.org/REN/WACREN/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
   376         203        178     152  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  2152         154        507      90  CSUNET-NW, US
 18558         134         18       4  NETBLK-RCOEK, US
   270         119        329      84  AS270, US
 23024         115          7      13  OCDE, US
  2920         111         34       7  LACOE, US
 32440          91         18      17  LONI, US
 32531          90          6      60  FORDHAM-UNIVERSITY, US
 21976          87         51      18  NJEDGE-NET, US

Complete listing at https://bgp.nsrc.org/REN/WACREN/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         281       1935     249  DFN Verein zur Foerderung eines Deutsch
   786         186       1775     183  JANET Jisc Services Limited, GB
  8895         175         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103         100       1520      87  SURFNET-NL SURFnet, The Netherlands, NL
  2614          95         27      75  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
   553          73        449      73  BELWUE BelWue-Koordination, DE
  2200          64        599      59  FR-RENATER Reseau National de telecommu
  1930          58         81      53  RCCN Fundacao para a Ciencia e a Tecnol

Complete listing at https://bgp.nsrc.org/REN/WACREN/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         177        208      44  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          96         24      54  Red Universitaria Nacional, CL
  1251          58         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
 61468          46          3      15  CEDIA, EC
  4270          44         16       1  Red de Interconexion Universitaria, AR
 28571          40         40      18  UNIVERSIDADE DE SAO PAULO, BR
 28614          38          2       2  Fundacao Universidade Regional de Blume
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B

Complete listing at https://bgp.nsrc.org/REN/WACREN/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         375        319      72  TENET-1, ZA
 36914         241         82       3  KENET-AS, KE
  2561          67          4      32  EUN, EG
  8094          48         48      15  PUKNET, ZA
327687          39         28       3  RENU, UG
327700          33         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37182          19          1      14  TERNET, TZ
 37501          11         49       6  UOFS, ZA
 37654          10          1       6  RwEdNet-AS, RW

Complete listing at https://bgp.nsrc.org/REN/WACREN/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         578       2156     458  SINET-AS Research Organization of Infor
  7497         433        182      24  CSTNET-AS-AP Computer Network Informati
  2018         375        319      72  TENET-1, ZA
   680         281       1935     249  DFN Verein zur Foerderung eines Deutsch
 36914         241         82       3  KENET-AS, KE
   376         203        178     152  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  1237         190         74     135  KREONET-AS-KR KISTI, KR
  4538         190       4192      73  ERX-CERNET-BKB China Education and Rese
   786         186       1775     183  JANET Jisc Services Limited, GB

Complete listing at https://bgp.nsrc.org/REN/WACREN/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  7497         433          409  CSTNET-AS-AP Computer Network Information Cente
  2018         375          303  TENET-1, ZA
 36914         241          238  KENET-AS, KE
  5786         200          199  UPRENET, PR
 58647         175          173  KAGAWAU-AS Kagawa University, JP
  8895         175          171  ISU Internet Services Unit ISU, SA
  1916         177          133  Rede Nacional de Ensino e Pesquisa, BR
 18558         134          130  NETBLK-RCOEK, US
  4538         190          117  ERX-CERNET-BKB China Education and Research Net
 55824         115          104  NKN-CORE-NW NKN Core Network, IN

Complete listing at https://bgp.nsrc.org/REN/WACREN/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
     33008  UNALLOCATED  162.248.66.0/24          11096  FLORIDANET, US
     65000  PRIVATE      194.14.96.0/24            2837  SUNET-KI, SE
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US
    395514  UNALLOCATED  205.213.88.0/24           2381  WISCNET1-AS, US
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

Complete listing at https://bgp.nsrc.org/REN/WACREN/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             1103  SURFNET-NL SURFnet, The Netherlands, NL

Complete listing at https://bgp.nsrc.org/REN/WACREN/data-spar

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
192.31.196.0/24      Origin:       112  UNASSIGNED
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24       Origin:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24      Transit:     20965  GEANT The GEANT IP Service, NL

Complete listing at https://bgp.nsrc.org/REN/WACREN/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       /10:2       /11:1       /12:10      
/13:19      /14:35      /15:121     /16:1982    /17:417     /18:437     
/19:554     /20:839     /21:851     /22:1461    /23:1544    /24:10020   
/25:86      /26:56      /27:87      /28:1       /29:0       /30:0       
/31:0       /32:0       

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 36914         228         241  KENET-AS, KE
  8895         170         175  ISU Internet Services Unit ISU, SA
 32440          76          91  LONI, US
 23024          53         115  OCDE, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
200521          31          52  SEAP-AGE, ES
 25977          30          44  HCCS, US
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US

Complete listing at https://bgp.nsrc.org/REN/WACREN/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:4         5:15        8:2        12:1        14:86       18:43     
  23:6        24:3        31:7        35:4        38:9        40:1      
  41:127      42:15       44:5        45:35       46:5        47:1      
  49:10       50:1        52:1        58:12       59:21       60:4      
  61:3        62:9        63:33       64:51       65:1        66:34     
  67:42       68:8        69:20       70:2        71:1        72:7      
  74:50       76:37       77:8        78:3        79:10       80:17     
  81:28       82:8        83:6        84:4        85:42       86:6      
  87:1        88:1        89:10       91:47       92:1        93:4      
  94:4        95:4        96:5        97:2        98:2       101:8      
 102:9       103:318     104:74      108:8       109:11      110:4      
 111:16      114:23      116:6       117:61      118:33      119:23     
 121:28      122:8       123:8       124:39      125:4       128:86     
 129:38      130:89      131:60      132:61      133:146     134:97     
 136:200     137:76      138:9       139:6       140:44      141:1      
 142:39      143:31      144:23      145:2       146:131     147:57     
 148:191     149:12      150:130     151:6       152:71      153:14     
 154:28      155:52      156:68      157:23      158:42      159:116    
 160:26      161:21      162:20      163:71      164:10      165:51     
 166:1       167:16      168:124     169:10      170:57      171:1      
 172:2       173:7       175:30      176:8       177:10      179:10     
 180:18      181:1       182:4       184:2       185:47      186:3      
 187:19      188:13      189:3       190:18      191:36      192:1411   
 193:312     194:146     195:88      196:161     197:144     198:466    
 199:246     200:229     201:39      202:632     203:430     204:341    
 205:121     206:185     207:163     208:65      209:114     210:185    
 211:13      212:170     213:5       216:84      217:11      218:22     
 219:12      220:17      222:6       223:4      

End of report


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