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

REN Routing Table Report cscora at frr.nsrc.org
Fri Jun 3 22:15:40 UTC 2022


IPv4 R&E Routing Table Report   22:15 GMT Fri 03 Jun, 2022

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

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

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

BGP routing table entries examined:                               18387
    Prefixes after maximum aggregation (per Origin AS):           10372
    Deaggregation factor:                                          1.77
    Unique aggregates announced (without unneeded subnets):       11514
    Number of IPv4 prefixes with a valid ROA:                      3988
    Number of IPv4 prefixes with an invalid ROA:                     37
    Number of IPv4 prefixes with no ROA:                          14362
Total ASes present in the Internet Routing Table:                  2738
    Prefixes per ASN:                                              6.72
Origin-only ASes present in the Internet Routing Table:            2359
Origin ASes announcing only one prefix:                            1069
Transit ASes present in the Internet Routing Table:                 379
Transit-only ASes present in the Internet Routing Table:             62
Paths with bogon ASNs present in the IPv4 Routing Table:              8
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                      17
    Max AS path prepend of ASN ( 10497)                              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:                      39539
Number of 32-bit ASNs visible in the Routing Table:                 621
Prefixes from 32-bit ASNs in the Routing Table:                    1694
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:                    203013424
    Equivalent to 12 /8s, 25 /16s and 189 /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:        2080

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

Prefixes being announced by APNIC Region ASes:                     4707
    Total APNIC prefixes after maximum aggregation:                2297
    APNIC Deaggregation factor:                                    2.05
Prefixes being announced from the APNIC address blocks:            4708
    Unique aggregates announced from the APNIC address blocks:     2605
APNIC Region origin ASes present in the Internet Routing Table:     578
    APNIC Prefixes per ASN:                                        8.15
APNIC Region origin ASes announcing only one prefix:                250
APNIC Region transit ASes present in the Internet Routing Table:     72
Average APNIC Region AS path length visible:                        4.8
    Max APNIC Region AS path length visible:                         17
Number of APNIC region 32-bit ASNs visible in the Routing Table:    224
Number of APNIC addresses announced to Internet:               45942336
    Equivalent to 2 /8s, 189 /16s and 6 /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:                      7787
    Total ARIN prefixes after maximum aggregation:                 4478
    ARIN Deaggregation factor:                                     1.74
Prefixes being announced from the ARIN address blocks:             7806
    Unique aggregates announced from the ARIN address blocks:      5036
ARIN Region origin ASes present in the Internet Routing Table:     1201
    ARIN Prefixes per ASN:                                         6.50
ARIN Region origin ASes announcing only one prefix:                 423
ARIN Region transit ASes present in the Internet Routing Table:     156
Average ARIN Region AS path length visible:                         4.2
    Max ARIN Region AS path length visible:                          14
Number of ARIN region 32-bit ASNs visible in the Routing Table:     172
Number of ARIN addresses announced to Internet:                92180912
    Equivalent to 5 /8s, 126 /16s and 145 /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:                      3510
    Total RIPE prefixes after maximum aggregation:                 2814
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3494
    Unique aggregates announced from the RIPE address blocks:      2812
RIPE Region origin ASes present in the Internet Routing Table:      673
    RIPE Prefixes per ASN:                                         5.19
RIPE Region origin ASes announcing only one prefix:                 306
RIPE Region transit ASes present in the Internet Routing Table:     100
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:     135
Number of RIPE addresses announced to Internet:                57943808
    Equivalent to 3 /8s, 116 /16s and 39 /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:                    1440
    Total LACNIC prefixes after maximum aggregation:                568
    LACNIC Deaggregation factor:                                   2.54
Prefixes being announced from the LACNIC address blocks:           1447
    Unique aggregates announced from the LACNIC address blocks:     769
LACNIC Region origin ASes present in the Internet Routing Table:    167
    LACNIC Prefixes per ASN:                                       8.66
LACNIC Region origin ASes announcing only one prefix:                66
LACNIC Region transit ASes present in the Internet Routing Table:    22
Average LACNIC Region AS path length visible:                       3.9
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    65
Number of LACNIC addresses announced to Internet:               4287552
    Equivalent to 0 /8s, 65 /16s and 108 /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:                    930
    Total AfriNIC prefixes after maximum aggregation:               202
    AfriNIC Deaggregation factor:                                  4.60
Prefixes being announced from the AfriNIC address blocks:           930
    Unique aggregates announced from the AfriNIC address blocks:    290
AfriNIC Region origin ASes present in the Internet Routing Table:    49
    AfriNIC Prefixes per ASN:                                     18.98
AfriNIC Region origin ASes announcing only one prefix:               24
AfriNIC Region transit ASes present in the Internet Routing Table:   12
Average AfriNIC Region AS path length visible:                      3.2
    Max AfriNIC Region AS path length visible:                       10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   25
Number of AfriNIC addresses announced to Internet:              2658304
    Equivalent to 0 /8s, 40 /16s and 144 /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         619       2140     456  SINET-AS Research Organization of Infor
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
  1237         190         74     135  KREONET-AS-KR KISTI, KR
  7575         176        330     122  AARNET-AS-AP Australian Academic and Re
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP
  4538         128       4192      73  ERX-CERNET-BKB China Education and Rese
 55824         116         18      11  NKN-CORE-NW NKN Core Network, IN
  4621          78         37      10  UNINET-AS-AP UNINET-, TH
  4762          65          4       1  MAHIDOL-BORDER-AS Mahidol University, T
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR

Complete listing at https://bgp.nsrc.org/REN/RedCLARA/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      89  CSUNET-NW, US
 18558         131         18       4  NETBLK-RCOEK, US
   270         120        329      88  AS270, US
 23024         114          7      17  OCDE, US
  2920         110         34       6  LACOE, US
 32531          91         16       1  FORDHAM-UNIVERSITY, US
 32440          88         18      19  LONI, US
 21976          87         51      18  NJEDGE-NET, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         285       1967     251  DFN Verein zur Foerderung eines Deutsch
   786         186       1774     183  JANET Jisc Services Limited, GB
  8895         177         24       3  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103          99       1520      86  SURFNET-NL SURFnet, The Netherlands, NL
  2614          96         27      76  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
   553          73        449      73  BELWUE BelWue-Koordination, DE
  2200          63        583      58  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/RedCLARA/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         174        208      46  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          93         24      53  Red Universitaria Nacional, CL
  1251          60         37      20  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
 19611          46         17       2  Associacao Antonio Vieira - Unisinos, B
 61468          45          3      15  CEDIA, EC
  4270          42         16       1  Red de Interconexion Universitaria, AR
 28571          38         42      16  UNIVERSIDADE DE SAO PAULO, BR
 28614          37          2       2  Fundacao Universidade Regional de Blume

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         374        319      74  TENET-1, ZA
 36914         215         82       3  KENET-AS, KE
  2561          67          4      32  EUN, EG
  8094          48         48      15  PUKNET, ZA
327687          37         28       3  RENU, UG
327700          34         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37182          18          8       1  TERNET, TZ
 37074          13          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         619       2140     456  SINET-AS Research Organization of Infor
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
  2018         374        319      74  TENET-1, ZA
   680         285       1967     251  DFN Verein zur Foerderung eines Deutsch
 36914         215         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
   786         186       1774     183  JANET Jisc Services Limited, GB
  8895         177         24       3  ISU Internet Services Unit ISU, SA

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

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

   ASN  No of nets  Net Savings  Description
  7497         432          408  CSTNET-AS-AP Computer Network Information Cente
  2018         374          300  TENET-1, ZA
 36914         215          212  KENET-AS, KE
  5786         200          199  UPRENET, PR
  8895         177          174  ISU Internet Services Unit ISU, SA
 58647         175          173  KAGAWAU-AS Kagawa University, JP
  1916         174          128  Rede Nacional de Ensino e Pesquisa, BR
 18558         131          127  NETBLK-RCOEK, US
 55824         116          105  NKN-CORE-NW NKN Core Network, IN
  2920         110          104  LACOE, US

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     65248  PRIVATE      134.171.169.0/24         11340  Red Universitaria Nacional, 
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
     22226  UNALLOCATED  156.1.0.0/16              2152  CSUNET-NW, US
     65105  PRIVATE      165.98.8.0/24            27750  Cooperacion Latino Americana
     65105  PRIVATE      165.98.16.0/24           27750  Cooperacion Latino Americana
     65105  PRIVATE      165.98.18.0/24           27750  Cooperacion Latino Americana
     65105  PRIVATE      165.98.34.0/24           27750  Cooperacion Latino Americana
     65105  PRIVATE      165.98.43.0/24           27750  Cooperacion Latino Americana
     65105  PRIVATE      165.98.90.0/24           27750  Cooperacion Latino Americana
     64507  DOCUMENT     170.79.91.8/29           27817  Red Nacional Academica de Te

Complete listing at https://bgp.nsrc.org/REN/RedCLARA/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/RedCLARA/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:     11537  INTERNET2-RESEARCH-EDU, US

Complete listing at https://bgp.nsrc.org/REN/RedCLARA/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      
/13:18      /14:35      /15:121     /16:1985    /17:398     /18:429     
/19:550     /20:843     /21:842     /22:1391    /23:1523    /24:9935    
/25:85      /26:57      /27:88      /28:11      /29:14      /30:7       
/31:0       /32:41      

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

   ASN  No of nets  Total ann.  Description
 36914         202         215  KENET-AS, KE
  8895         172         177  ISU Internet Services Unit ISU, SA
 32440          73          88  LONI, US
 23024          53         114  OCDE, US
 25977          31          45  HCCS, US
 28614          31          37  Fundacao Universidade Regional de Blumenau, BR
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
327700          30          34  MoRENet, MZ
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US
 40326          29          33  ECKERD-COLLEGE, US

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

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

   1:3         5:15        8:2        12:1        14:86       18:43     
  23:9        24:3        31:7        35:4        37:6        38:9      
  40:1        41:124      42:10       44:5        45:38       46:6      
  47:1        49:10       50:1        52:1        59:20       60:4      
  61:3        62:6        63:34       64:51       66:35       67:43     
  68:8        69:19       70:2        71:1        72:9        74:18     
  76:33       77:7        78:3        79:10       80:18       81:28     
  82:5        83:6        84:5        85:43       86:4        87:1      
  88:1        89:10       91:43       93:10       94:4        95:4      
  96:5        97:1        98:2       101:6       102:13      103:305    
 104:76      108:8       109:10      110:4       111:16      114:23     
 116:7       117:61      118:32      119:23      121:27      122:8      
 123:8       124:39      125:4       128:90      129:38      130:93     
 131:83      132:58      133:145     134:93      136:200     137:74     
 138:9       139:5       140:38      141:1       142:41      143:30     
 144:23      145:2       146:129     147:56      148:191     149:12     
 150:130     151:6       152:77      153:13      154:29      155:51     
 156:66      157:27      158:44      159:116     160:26      161:21     
 162:20      163:59      164:19      165:57      166:1       167:16     
 168:123     169:10      170:51      171:1       172:2       173:7      
 175:31      176:8       177:11      179:10      180:21      181:1      
 182:6       184:4       185:39      186:3       187:19      188:13     
 189:5       190:34      191:34      192:1408    193:301     194:127    
 195:77      196:160     197:123     198:465     199:255     200:238    
 201:38      202:627     203:424     204:323     205:164     206:184    
 207:166     208:66      209:113     210:184     211:15      212:150    
 213:5       216:85      217:11      218:22      219:6       220:17     
 222:5       223:3      

End of report


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