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

REN Routing Table Report cscora at frr.nsrc.org
Fri Sep 16 18:05:41 UTC 2022


IPv4 R&E Routing Table Report   18:05 GMT Fri 16 Sep, 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:                               18476
    Prefixes after maximum aggregation (per Origin AS):           10480
    Deaggregation factor:                                          1.76
    Unique aggregates announced (without unneeded subnets):       11641
    Number of IPv4 prefixes with a valid ROA:                      4261
    Number of IPv4 prefixes with an invalid ROA:                     52
    Number of IPv4 prefixes with no ROA:                          14163
Total ASes present in the Internet Routing Table:                  2757
    Prefixes per ASN:                                              6.70
Origin-only ASes present in the Internet Routing Table:            2386
Origin ASes announcing only one prefix:                            1073
Transit ASes present in the Internet Routing Table:                 371
Transit-only ASes present in the Internet Routing Table:             60
Paths with bogon ASNs present in the IPv4 Routing Table:              0
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:                 5
    Number of instances of unregistered ASNs:                         5
Number of 32-bit ASNs allocated by the RIRs:                      40161
Number of 32-bit ASNs visible in the Routing Table:                 645
Prefixes from 32-bit ASNs in the Routing Table:                    1811
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:                    203143296
    Equivalent to 12 /8s, 27 /16s and 184 /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:        2142

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

Prefixes being announced by APNIC Region ASes:                     4718
    Total APNIC prefixes after maximum aggregation:                2312
    APNIC Deaggregation factor:                                    2.04
Prefixes being announced from the APNIC address blocks:            4719
    Unique aggregates announced from the APNIC address blocks:     2620
APNIC Region origin ASes present in the Internet Routing Table:     588
    APNIC Prefixes per ASN:                                        8.03
APNIC Region origin ASes announcing only one prefix:                256
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:    233
Number of APNIC addresses announced to Internet:               46032192
    Equivalent to 2 /8s, 190 /16s and 101 /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:                      7792
    Total ARIN prefixes after maximum aggregation:                 4516
    ARIN Deaggregation factor:                                     1.73
Prefixes being announced from the ARIN address blocks:             7802
    Unique aggregates announced from the ARIN address blocks:      5057
ARIN Region origin ASes present in the Internet Routing Table:     1214
    ARIN Prefixes per ASN:                                         6.43
ARIN Region origin ASes announcing only one prefix:                 428
ARIN Region transit ASes present in the Internet Routing Table:     160
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:     181
Number of ARIN addresses announced to Internet:                92383008
    Equivalent to 5 /8s, 129 /16s and 167 /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:                      3583
    Total RIPE prefixes after maximum aggregation:                 2854
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3575
    Unique aggregates announced from the RIPE address blocks:      2861
RIPE Region origin ASes present in the Internet Routing Table:      679
    RIPE Prefixes per ASN:                                         5.27
RIPE Region origin ASes announcing only one prefix:                 303
RIPE Region transit ASes present in the Internet Routing Table:      96
Average RIPE Region AS path length visible:                         3.8
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:     137
Number of RIPE addresses announced to Internet:                57922560
    Equivalent to 3 /8s, 115 /16s and 212 /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:                    1421
    Total LACNIC prefixes after maximum aggregation:                579
    LACNIC Deaggregation factor:                                   2.45
Prefixes being announced from the LACNIC address blocks:           1421
    Unique aggregates announced from the LACNIC address blocks:     793
LACNIC Region origin ASes present in the Internet Routing Table:    162
    LACNIC Prefixes per ASN:                                       8.77
LACNIC Region origin ASes announcing only one prefix:                62
LACNIC Region transit ASes present in the Internet Routing Table:    25
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:    67
Number of LACNIC addresses announced to Internet:               4206624
    Equivalent to 0 /8s, 64 /16s and 48 /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:                    957
    Total AfriNIC prefixes after maximum aggregation:               214
    AfriNIC Deaggregation factor:                                  4.47
Prefixes being announced from the AfriNIC address blocks:           957
    Unique aggregates announced from the AfriNIC address blocks:    308
AfriNIC Region origin ASes present in the Internet Routing Table:    49
    AfriNIC Prefixes per ASN:                                     19.53
AfriNIC Region origin ASes announcing only one prefix:               24
AfriNIC Region transit ASes present in the Internet Routing Table:   10
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:   27
Number of AfriNIC addresses announced to Internet:              2598400
    Equivalent to 0 /8s, 39 /16s and 166 /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         572       2155     455  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
  4538         189       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
  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/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         159        507      91  CSUNET-NW, US
 18558         137         18       4  NETBLK-RCOEK, US
   270         120        329      85  AS270, US
 23024         114          7      17  OCDE, US
  2920         111         34       7  LACOE, US
 32440          92         18      19  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         180         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103          99       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         176        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
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
  3596          35          4       3  Universidad Autonoma Metropolitana, MX

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         374        319      73  TENET-1, ZA
 36914         245         82       3  KENET-AS, KE
  2561          67          4      32  EUN, EG
  8094          48         48      15  PUKNET, ZA
327687          38         28       3  RENU, UG
327700          33         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37182          19          1      14  TERNET, TZ
 37074          13          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA

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         572       2155     455  SINET-AS Research Organization of Infor
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
  2018         374        319      73  TENET-1, ZA
   680         281       1935     249  DFN Verein zur Foerderung eines Deutsch
 36914         245         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         189       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         432          408  CSTNET-AS-AP Computer Network Information Cente
  2018         374          301  TENET-1, ZA
 36914         245          242  KENET-AS, KE
  5786         200          199  UPRENET, PR
  8895         180          176  ISU Internet Services Unit ISU, SA
 58647         175          173  KAGAWAU-AS Kagawa University, JP
 18558         137          133  NETBLK-RCOEK, US
  1916         176          132  Rede Nacional de Ensino e Pesquisa, BR
  4538         189          116  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
     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:      2603  NORDUNET, DK

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     /16:1983    /17:401     /18:437     
/19:564     /20:838     /21:849     /22:1408    /23:1546    /24:10029   
/25:86      /26:56      /27:89      /28:1       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 36914         232         245  KENET-AS, KE
  8895         175         180  ISU Internet Services Unit ISU, SA
 32440          77          92  LONI, US
 23024          53         114  OCDE, US
 46115          32          35  LUTHER, US
 25977          31          45  HCCS, US
200521          31          52  SEAP-AGE, ES
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US
 40326          29          33  ECKERD-COLLEGE, US
263282          29          34  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)
----------------------------------------------

   1:3         5:15        8:2        12:1        14:86       18:43     
  23:6        24:3        31:7        35:4        38:9        40:1      
  41:128      42:15       44:5        45:32       46:5        47:1      
  49:10       50:1        52:1        58:11       59:21       60:4      
  61:3        62:9        63:33       64:51       65:1        66:34     
  67:43       68:8        69:19       70:2        71:1        72:7      
  74:50       76:37       77:7        78:3        79:10       80:18     
  81:28       82:7        83:6        84:4        85:43       86:5      
  87:1        88:1        89:10       91:46       92:1        93:4      
  94:4        95:4        96:5        97:1        98:2       101:8      
 102:11      103:321     104:74      108:8       109:11      110:4      
 111:16      114:23      116:6       117:61      118:33      119:23     
 121:29      122:8       123:8       124:39      125:4       128:86     
 129:39      130:90      131:76      132:56      133:145     134:97     
 136:200     137:75      138:11      139:5       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      155:51      156:66      157:23      158:41      159:116    
 160:26      161:20      162:20      163:71      164:10      165:51     
 166:1       167:16      168:120     169:10      170:57      172:2      
 173:7       175:30      176:8       177:11      179:10      180:18     
 181:1       182:4       184:2       185:46      186:3       187:3      
 188:13      189:3       190:34      191:36      192:1412    193:315    
 194:145     195:92      196:161     197:149     198:467     199:245    
 200:229     201:23      202:632     203:427     204:343     205:121    
 206:185     207:165     208:66      209:117     210:184     211:13     
 212:174     213:5       216:86      217:11      218:22      219:12     
 220:17      222:6       223:6      

End of report


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