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

REN Routing Table Report cscora at frr.nsrc.org
Sat Oct 29 18:30:41 UTC 2022


IPv4 R&E Routing Table Report   18:30 GMT Sat 29 Oct, 2022

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

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

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

BGP routing table entries examined:                               17537
    Prefixes after maximum aggregation (per Origin AS):           10263
    Deaggregation factor:                                          1.71
    Unique aggregates announced (without unneeded subnets):       11505
    Number of IPv4 prefixes with a valid ROA:                      3938
    Number of IPv4 prefixes with an invalid ROA:                      3
    Number of IPv4 prefixes with no ROA:                          13596
Total ASes present in the Internet Routing Table:                  2722
    Prefixes per ASN:                                              6.44
Origin-only ASes present in the Internet Routing Table:            2345
Origin ASes announcing only one prefix:                            1066
Transit ASes present in the Internet Routing Table:                 377
Transit-only ASes present in the Internet Routing Table:             71
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                      29
    Max AS path prepend of ASN ( 29614)                              17
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:                      40515
Number of 32-bit ASNs visible in the Routing Table:                 623
Prefixes from 32-bit ASNs in the Routing Table:                    1735
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:                    202439168
    Equivalent to 12 /8s, 16 /16s and 250 /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:        1718

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

Prefixes being announced by APNIC Region ASes:                     4681
    Total APNIC prefixes after maximum aggregation:                2298
    APNIC Deaggregation factor:                                    2.04
Prefixes being announced from the APNIC address blocks:            4682
    Unique aggregates announced from the APNIC address blocks:     2618
APNIC Region origin ASes present in the Internet Routing Table:     586
    APNIC Prefixes per ASN:                                        7.99
APNIC Region origin ASes announcing only one prefix:                254
APNIC Region transit ASes present in the Internet Routing Table:     65
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         17
Number of APNIC region 32-bit ASNs visible in the Routing Table:    229
Number of APNIC addresses announced to Internet:               46102272
    Equivalent to 2 /8s, 191 /16s and 119 /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:                      7377
    Total ARIN prefixes after maximum aggregation:                 4426
    ARIN Deaggregation factor:                                     1.67
Prefixes being announced from the ARIN address blocks:             7392
    Unique aggregates announced from the ARIN address blocks:      4982
ARIN Region origin ASes present in the Internet Routing Table:     1200
    ARIN Prefixes per ASN:                                         6.16
ARIN Region origin ASes announcing only one prefix:                 437
ARIN Region transit ASes present in the Internet Routing Table:     157
Average ARIN Region AS path length visible:                         4.3
    Max ARIN Region AS path length visible:                          14
Number of ARIN region 32-bit ASNs visible in the Routing Table:     178
Number of ARIN addresses announced to Internet:                92110848
    Equivalent to 5 /8s, 125 /16s and 128 /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:                      3487
    Total RIPE prefixes after maximum aggregation:                 2794
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3477
    Unique aggregates announced from the RIPE address blocks:      2835
RIPE Region origin ASes present in the Internet Routing Table:      664
    RIPE Prefixes per ASN:                                         5.24
RIPE Region origin ASes announcing only one prefix:                 296
RIPE Region transit ASes present in the Internet Routing Table:      97
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          13
Number of RIPE region 32-bit ASNs visible in the Routing Table:     136
Number of RIPE addresses announced to Internet:                57667072
    Equivalent to 3 /8s, 111 /16s and 238 /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:                    1257
    Total LACNIC prefixes after maximum aggregation:                531
    LACNIC Deaggregation factor:                                   2.37
Prefixes being announced from the LACNIC address blocks:           1254
    Unique aggregates announced from the LACNIC address blocks:     765
LACNIC Region origin ASes present in the Internet Routing Table:    152
    LACNIC Prefixes per ASN:                                       8.25
LACNIC Region origin ASes announcing only one prefix:                60
LACNIC Region transit ASes present in the Internet Routing Table:    23
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    60
Number of LACNIC addresses announced to Internet:               3873792
    Equivalent to 0 /8s, 59 /16s and 28 /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:                    730
    Total AfriNIC prefixes after maximum aggregation:               209
    AfriNIC Deaggregation factor:                                  3.49
Prefixes being announced from the AfriNIC address blocks:           730
    Unique aggregates announced from the AfriNIC address blocks:    303
AfriNIC Region origin ASes present in the Internet Routing Table:    44
    AfriNIC Prefixes per ASN:                                     16.59
AfriNIC Region origin ASes announcing only one prefix:               19
AfriNIC Region transit ASes present in the Internet Routing Table:   13
Average AfriNIC Region AS path length visible:                      2.7
    Max AfriNIC Region AS path length visible:                       29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   20
Number of AfriNIC addresses announced to Internet:              2684672
    Equivalent to 0 /8s, 40 /16s and 247 /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         570       2156     457  SINET-AS Research Organization of Infor
  7497         433        182      24  CSTNET-AS-AP Computer Network Informati
  4538         190       4192      73  ERX-CERNET-BKB China Education and Rese
  1237         187         74     135  KREONET-AS-KR KISTI, KR
  7575         175        329     121  AARNET-AS-AP Australian Academic and Re
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP
 55824         113         18      10  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/UbuntuNet/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
  2152         148        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         108         34       7  LACOE, US
 32531          90          6      60  FORDHAM-UNIVERSITY, US
 21976          85         51      18  NJEDGE-NET, US
  1736          81         16       1  MU-AS, US
     3          78        496      15  MIT-GATEWAYS, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         276       1934     245  DFN Verein zur Foerderung eines Deutsch
   786         186       1775     183  JANET Jisc Services Limited, GB
  8895         134         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          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/UbuntuNet/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         156        207      42  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          96         24      54  Red Universitaria Nacional, CL
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  4270          44         16       1  Red de Interconexion Universitaria, AR
 61468          42          3      15  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
263282          37          5      12  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
  3596          34          4       3  Universidad Autonoma Metropolitana, MX
263683          33         10      21  Universidad de Costa Rica, CR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         377        319      72  TENET-1, ZA
  2561          67          4      32  EUN, EG
  8094          48         48      15  PUKNET, ZA
327687          39         28       3  RENU, UG
327700          33         16       1  MoRENet, MZ
 36914          29         82       3  KENET-AS, KE
  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/UbuntuNet/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         570       2156     457  SINET-AS Research Organization of Infor
  7497         433        182      24  CSTNET-AS-AP Computer Network Informati
  2018         377        319      72  TENET-1, ZA
   680         276       1934     245  DFN Verein zur Foerderung eines Deutsch
   376         203        178     152  RISQ-AS, CA
  4538         190       4192      73  ERX-CERNET-BKB China Education and Rese
  1237         187         74     135  KREONET-AS-KR KISTI, KR
   786         186       1775     183  JANET Jisc Services Limited, GB
  7575         175        329     121  AARNET-AS-AP Australian Academic and Re
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/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         377          305  TENET-1, ZA
 58647         175          173  KAGAWAU-AS Kagawa University, JP
  8895         134          130  ISU Internet Services Unit ISU, SA
 18558         134          130  NETBLK-RCOEK, US
  4538         190          117  ERX-CERNET-BKB China Education and Research Net
  1916         156          114  Rede Nacional de Ensino e Pesquisa, BR
 55824         113          103  NKN-CORE-NW NKN Core Network, IN
 23024         115          102  OCDE, US
  2920         108          101  LACOE, US

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/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/UbuntuNet/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/UbuntuNet/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/UbuntuNet/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     /16:1969    /17:410     /18:434     
/19:539     /20:825     /21:821     /22:1354    /23:1479    /24:9517    
/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
  8895         129         134  ISU Internet Services Unit ISU, SA
 23024          53         115  OCDE, US
 32440          33          48  LONI, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
 25977          30          44  HCCS, US
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US
 40326          29          33  ECKERD-COLLEGE, US
200521          28          49  SEAP-AGE, ES

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

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

   1:4         5:15        8:2        12:1        14:85       18:43     
  23:6        24:2        31:7        35:4        38:9        40:1      
  41:60       42:15       44:5        45:34       46:5        47:1      
  49:10       52:1        58:12       59:21       60:4        61:3      
  62:9        63:33       64:51       65:1        66:34       67:41     
  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        84:5        85:42       86:6        87:1      
  88:1        89:10       91:46       92:1        93:4        94:4      
  95:3        96:5        97:2        98:2       101:8       102:11     
 103:315     104:74      108:8       109:10      110:4       111:15     
 114:23      116:6       117:61      118:33      119:23      121:28     
 122:8       123:8       124:39      125:4       128:86      129:36     
 130:89      131:60      132:59      133:146     134:97      136:11     
 137:76      138:9       139:5       140:41      141:1       142:39     
 143:29      144:23      145:1       146:131     147:57      148:191    
 149:12      150:130     151:6       152:71      153:14      154:28     
 155:52      156:67      157:23      158:42      159:116     160:26     
 161:21      162:20      163:66      164:10      165:51      166:1      
 167:16      168:123     169:10      170:56      171:1       172:2      
 173:7       175:30      176:8       177:5       179:10      180:18     
 181:1       182:3       184:2       185:44      186:3       187:17     
 188:13      189:3       190:18      191:26      192:1407    193:311    
 194:144     195:88      196:162     197:3       198:464     199:246    
 200:206     201:38      202:631     203:429     204:334     205:121    
 206:185     207:159     208:65      209:114     210:182     211:13     
 212:165     213:5       216:82      217:11      218:22      219:12     
 220:15      222:6       223:4      

End of report


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