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

REN Routing Table Report cscora at frr.nsrc.org
Tue Jan 31 18:05:50 UTC 2023


IPv4 R&E Routing Table Report   18:05 GMT Tue 31 Jan, 2023

  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:                               18714
    Prefixes after maximum aggregation (per Origin AS):           10531
    Deaggregation factor:                                          1.78
    Unique aggregates announced (without unneeded subnets):       11755
    Number of IPv4 prefixes with a valid ROA:                      4537
    Number of IPv4 prefixes with an invalid ROA:                     83
    Number of IPv4 prefixes with no ROA:                          14094
Total ASes present in the Internet Routing Table:                  2778
    Prefixes per ASN:                                              6.74
Origin-only ASes present in the Internet Routing Table:            2402
Origin ASes announcing only one prefix:                            1060
Transit ASes present in the Internet Routing Table:                 376
Transit-only ASes present in the Internet Routing Table:             64
Paths with bogon ASNs present in the IPv4 Routing Table:              3
Average AS path length visible in the Internet Routing Table:       4.8
    Max AS path length visible:                                      20
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                 7
    Number of instances of unregistered ASNs:                         7
Number of 32-bit ASNs allocated by the RIRs:                      41157
Number of 32-bit ASNs visible in the Routing Table:                 644
Prefixes from 32-bit ASNs in the Routing Table:                    1800
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:              2
Number of addresses announced to Internet:                    202491360
    Equivalent to 12 /8s, 17 /16s and 197 /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:        2233

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

Prefixes being announced by APNIC Region ASes:                     4786
    Total APNIC prefixes after maximum aggregation:                2309
    APNIC Deaggregation factor:                                    2.07
Prefixes being announced from the APNIC address blocks:            4787
    Unique aggregates announced from the APNIC address blocks:     2638
APNIC Region origin ASes present in the Internet Routing Table:     583
    APNIC Prefixes per ASN:                                        8.21
APNIC Region origin ASes announcing only one prefix:                246
APNIC Region transit ASes present in the Internet Routing Table:     63
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    225
Number of APNIC addresses announced to Internet:               45893184
    Equivalent to 2 /8s, 188 /16s and 70 /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:                      7881
    Total ARIN prefixes after maximum aggregation:                 4553
    ARIN Deaggregation factor:                                     1.73
Prefixes being announced from the ARIN address blocks:             7897
    Unique aggregates announced from the ARIN address blocks:      5131
ARIN Region origin ASes present in the Internet Routing Table:     1232
    ARIN Prefixes per ASN:                                         6.41
ARIN Region origin ASes announcing only one prefix:                 431
ARIN Region transit ASes present in the Internet Routing Table:     161
Average ARIN Region AS path length visible:                         5.4
    Max ARIN Region AS path length visible:                          20
Number of ARIN region 32-bit ASNs visible in the Routing Table:     186
Number of ARIN addresses announced to Internet:                91857408
    Equivalent to 5 /8s, 121 /16s and 162 /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:                      3620
    Total RIPE prefixes after maximum aggregation:                 2866
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3612
    Unique aggregates announced from the RIPE address blocks:      2891
RIPE Region origin ASes present in the Internet Routing Table:      682
    RIPE Prefixes per ASN:                                         5.30
RIPE Region origin ASes announcing only one prefix:                 301
RIPE Region transit ASes present in the Internet Routing Table:     102
Average RIPE Region AS path length visible:                         3.8
    Max RIPE Region AS path length visible:                          12
Number of RIPE region 32-bit ASNs visible in the Routing Table:     140
Number of RIPE addresses announced to Internet:                57918208
    Equivalent to 3 /8s, 115 /16s and 195 /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:                    1415
    Total LACNIC prefixes after maximum aggregation:                588
    LACNIC Deaggregation factor:                                   2.41
Prefixes being announced from the LACNIC address blocks:           1412
    Unique aggregates announced from the LACNIC address blocks:     799
LACNIC Region origin ASes present in the Internet Routing Table:    159
    LACNIC Prefixes per ASN:                                       8.88
LACNIC Region origin ASes announcing only one prefix:                58
LACNIC Region transit ASes present in the Internet Routing Table:    24
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:               4125856
    Equivalent to 0 /8s, 62 /16s and 244 /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:                   1005
    Total AfriNIC prefixes after maximum aggregation:               208
    AfriNIC Deaggregation factor:                                  4.83
Prefixes being announced from the AfriNIC address blocks:          1004
    Unique aggregates announced from the AfriNIC address blocks:    294
AfriNIC Region origin ASes present in the Internet Routing Table:    53
    AfriNIC Prefixes per ASN:                                     18.94
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:                      3.3
    Max AfriNIC Region AS path length visible:                        8
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   28
Number of AfriNIC addresses announced to Internet:              2695936
    Equivalent to 0 /8s, 41 /16s and 35 /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         589       2157     462  SINET-AS Research Organization of Infor
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  4538         191       4192      73  ERX-CERNET-BKB China Education and Rese
  1237         188         74     134  KREONET-AS-KR KISTI, KR
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP
  7575         174        329     119  AARNET-AS-AP Australian Academic and Re
 55824         118         18      12  NKN-CORE-NW NKN Core Network, IN
  4621          70         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         200        178     149  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
  2152         152        507      91  CSUNET-NW, US
 18558         134         18       4  NETBLK-RCOEK, US
   270         120        329      85  AS270, US
 23024         113          7      17  OCDE, US
  2920         109         34       7  LACOE, US
 32440          92         18      16  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         282       1919     250  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         114        550     105  SWITCH Peering requests: peering at switch
  1103          96       1518      85  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
  1930          65         81      60  RCCN Fundacao para a Ciencia e a Tecnol
  2200          64        599      59  FR-RENATER Reseau National de telecommu

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         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         104         24      56  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          47          3      15  CEDIA, EC
  4270          44         16       1  Red de Interconexion Universitaria, AR
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
 28571          37         40      18  UNIVERSIDADE DE SAO PAULO, BR
263282          37          5      12  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA

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         368        319      71  TENET-1, ZA
 36914         247         82       3  KENET-AS, KE
  2561          67          4      34  EUN, EG
  8094          48         48      15  PUKNET, ZA
327687          43         28       3  RENU, UG
  3208          32          2       1  ARN, DZ
 37182          31          8       1  TERNET, TZ
327700          30         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH

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         589       2157     462  SINET-AS Research Organization of Infor
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  2018         368        319      71  TENET-1, ZA
   680         282       1919     250  DFN Verein zur Foerderung eines Deutsch
 36914         247         82       3  KENET-AS, KE
   376         200        178     149  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
  4538         191       4192      73  ERX-CERNET-BKB China Education and Rese
  1237         188         74     134  KREONET-AS-KR KISTI, KR
   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         434          410  CSTNET-AS-AP Computer Network Information Cente
  2018         368          297  TENET-1, ZA
 36914         247          244  KENET-AS, KE
  5786         199          198  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         191          118  ERX-CERNET-BKB China Education and Research Net
 55824         118          106  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
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     65000  PRIVATE      130.229.0.0/18            2837  SUNET-KI, SE
     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

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

Unassigned Network     ASN Information  AS Name
102.36.194.0/23      Origin:      2018  TENET-1, ZA
102.36.194.0/23     Transit:    396390  INDIANA-UNIVERSITY-NEAAR, US
192.31.196.0/24      Origin:       112  UNASSIGNED
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, 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     /16:1972    /17:416     /18:435     
/19:564     /20:857     /21:848     /22:1468    /23:1538    /24:10191   
/25:88      /26:60      /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         234         247  KENET-AS, KE
  8895         170         175  ISU Internet Services Unit ISU, SA
 32440          77          92  LONI, US
 23024          52         113  OCDE, US
 46115          32          35  LUTHER, US
200521          31          54  SEAP-AGE, ES
 25977          30          44  HCCS, US
 28614          30          36  Fundacao Universidade Regional de Blumenau, BR
 37182          30          31  TERNET, TZ
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN

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

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

   1:2         5:15        8:2        12:1        14:88       23:6      
  24:3        31:7        35:6        38:9        40:1        41:136    
  42:15       44:5        45:36       46:5        47:1        49:10     
  50:4        52:1        58:12       59:21       60:4        61:3      
  62:10       63:37       64:52       65:5        66:47       67:44     
  68:8        69:21       70:2        71:1        72:7        74:50     
  76:38       77:9        78:3        79:10       80:17       81:28     
  82:5        83:6        84:7        85:42       86:5        87:1      
  89:10       91:47       92:2        93:4        94:4        95:4      
  96:5        97:2        98:2       101:8       102:14      103:313    
 104:77      107:16      108:8       109:10      110:2       111:16     
 114:23      116:6       117:61      118:33      119:22      121:28     
 122:8       123:8       124:39      125:4       128:86      129:42     
 130:88      131:62      132:63      133:149     134:97      136:199    
 137:78      138:9       139:6       140:44      141:1       142:39     
 143:30      144:23      145:2       146:137     147:56      148:198    
 149:12      150:130     151:7       152:71      153:14      154:28     
 155:52      156:68      157:29      158:40      159:116     160:26     
 161:19      162:20      163:75      164:10      165:51      166:1      
 167:16      168:124     169:10      170:74      171:1       172:3      
 173:7       175:32      176:8       177:9       179:10      180:17     
 181:1       182:1       184:3       185:46      186:3       187:19     
 188:13      189:3       190:18      191:36      192:1426    193:346    
 194:148     195:89      196:154     197:153     198:493     199:251    
 200:220     201:37      202:634     203:426     204:345     205:126    
 206:193     207:166     208:70      209:118     210:186     211:17     
 212:168     213:5       216:88      217:10      218:22      219:12     
 220:17      222:6       223:9      

End of report


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