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

REN Routing Table Report cscora at frr.nsrc.org
Mon Jun 20 21:00:40 UTC 2022


IPv4 R&E Routing Table Report   21:00 GMT Mon 20 Jun, 2022

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

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/AARNET-Seattle/

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

BGP routing table entries examined:                               17730
    Prefixes after maximum aggregation (per Origin AS):           10042
    Deaggregation factor:                                          1.77
    Unique aggregates announced (without unneeded subnets):       11184
    Number of IPv4 prefixes with a valid ROA:                      3878
    Number of IPv4 prefixes with an invalid ROA:                     16
    Number of IPv4 prefixes with no ROA:                          13836
Total ASes present in the Internet Routing Table:                  2653
    Prefixes per ASN:                                              6.68
Origin-only ASes present in the Internet Routing Table:            2282
Origin ASes announcing only one prefix:                            1041
Transit ASes present in the Internet Routing Table:                 371
Transit-only ASes present in the Internet Routing Table:             62
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      20
    Max AS path prepend of ASN (  1149)                              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:                      39624
Number of 32-bit ASNs visible in the Routing Table:                 587
Prefixes from 32-bit ASNs in the Routing Table:                    1643
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:                    199809792
    Equivalent to 11 /8s, 232 /16s and 219 /24s
    Percentage of available address space announced:                5.4
    Percentage of allocated address space announced:                5.4
    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:        1933

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

Prefixes being announced by APNIC Region ASes:                     4151
    Total APNIC prefixes after maximum aggregation:                1921
    APNIC Deaggregation factor:                                    2.16
Prefixes being announced from the APNIC address blocks:            4153
    Unique aggregates announced from the APNIC address blocks:     2170
APNIC Region origin ASes present in the Internet Routing Table:     495
    APNIC Prefixes per ASN:                                        8.39
APNIC Region origin ASes announcing only one prefix:                210
APNIC Region transit ASes present in the Internet Routing Table:     65
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         20
Number of APNIC region 32-bit ASNs visible in the Routing Table:    186
Number of APNIC addresses announced to Internet:               41527808
    Equivalent to 2 /8s, 121 /16s and 170 /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:                      7746
    Total ARIN prefixes after maximum aggregation:                 4557
    ARIN Deaggregation factor:                                     1.70
Prefixes being announced from the ARIN address blocks:             7764
    Unique aggregates announced from the ARIN address blocks:      5146
ARIN Region origin ASes present in the Internet Routing Table:     1210
    ARIN Prefixes per ASN:                                         6.42
ARIN Region origin ASes announcing only one prefix:                 437
ARIN Region transit ASes present in the Internet Routing Table:     156
Average ARIN Region AS path length visible:                         4.1
    Max ARIN Region AS path length visible:                          14
Number of ARIN region 32-bit ASNs visible in the Routing Table:     171
Number of ARIN addresses announced to Internet:                93928960
    Equivalent to 5 /8s, 153 /16s and 62 /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:                      3463
    Total RIPE prefixes after maximum aggregation:                 2789
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             3450
    Unique aggregates announced from the RIPE address blocks:      2815
RIPE Region origin ASes present in the Internet Routing Table:      668
    RIPE Prefixes per ASN:                                         5.16
RIPE Region origin ASes announcing only one prefix:                 308
RIPE Region transit ASes present in the Internet Routing Table:      99
Average RIPE Region AS path length visible:                         4.6
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     137
Number of RIPE addresses announced to Internet:                57438976
    Equivalent to 3 /8s, 108 /16s and 115 /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:                    1433
    Total LACNIC prefixes after maximum aggregation:                569
    LACNIC Deaggregation factor:                                   2.52
Prefixes being announced from the LACNIC address blocks:           1430
    Unique aggregates announced from the LACNIC address blocks:     763
LACNIC Region origin ASes present in the Internet Routing Table:    165
    LACNIC Prefixes per ASN:                                       8.67
LACNIC Region origin ASes announcing only one prefix:                63
LACNIC Region transit ASes present in the Internet Routing Table:    24
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    68
Number of LACNIC addresses announced to Internet:               4256000
    Equivalent to 0 /8s, 64 /16s and 241 /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:    288
AfriNIC Region origin ASes present in the Internet Routing Table:    48
    AfriNIC Prefixes per ASN:                                     19.40
AfriNIC Region origin ASes announcing only one prefix:               23
AfriNIC Region transit ASes present in the Internet Routing Table:   10
Average AfriNIC Region AS path length visible:                      3.7
    Max AfriNIC Region AS path length visible:                       13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   25
Number of AfriNIC addresses announced to Internet:              2657536
    Equivalent to 0 /8s, 40 /16s and 141 /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         571       2140     454  SINET-AS Research Organization of Infor
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
  1237         187         74     135  KREONET-AS-KR KISTI, KR
 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
  1659          54       1450      34  ERX-TANET-ASN1 Taiwan Academic Network 

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   668         211        702     179  DNIC-AS-00668, US
   376         204        178     153  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  2152         151        507      90  CSUNET-NW, US
 18558         131         18       4  NETBLK-RCOEK, US
 23024         114          7      17  OCDE, US
  2920         107         34       6  LACOE, US
 32531          91         16       1  FORDHAM-UNIVERSITY, US
 21976          85         51      18  NJEDGE-NET, US
     3          81        496      15  MIT-GATEWAYS, US

Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/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         137         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          96         27      76  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/AARNET-Seattle/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         158        208      44  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          95         24      54  Red Universitaria Nacional, CL
  1251          59         37      20  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
 19611          48         17       2  Associacao Antonio Vieira - Unisinos, B
  4270          41         16       1  Red de Interconexion Universitaria, AR
 61468          41          3      15  CEDIA, EC
 28571          39         42      16  UNIVERSIDADE DE SAO PAULO, BR
 28614          37          2       2  Fundacao Universidade Regional de Blume

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         376        319      73  TENET-1, ZA
 36914         219         82       3  KENET-AS, KE
  2561          67          4      32  EUN, EG
  8094          48         48      15  PUKNET, ZA
327687          39         28       3  RENU, UG
327700          32         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/AARNET-Seattle/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         571       2140     454  SINET-AS Research Organization of Infor
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
  2018         376        319      73  TENET-1, ZA
   680         285       1967     251  DFN Verein zur Foerderung eines Deutsch
 36914         219         82       3  KENET-AS, KE
   668         211        702     179  DNIC-AS-00668, US
   376         204        178     153  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  1237         187         74     135  KREONET-AS-KR KISTI, KR
   786         186       1774     183  JANET Jisc Services Limited, GB

Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/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         376          303  TENET-1, ZA
 36914         219          216  KENET-AS, KE
  5786         200          199  UPRENET, PR
 58647         175          173  KAGAWAU-AS Kagawa University, JP
  8895         137          133  ISU Internet Services Unit ISU, SA
 18558         131          127  NETBLK-RCOEK, US
  1916         158          114  Rede Nacional de Ensino e Pesquisa, BR
 55824         116          105  NKN-CORE-NW NKN Core Network, IN
  2920         107          101  LACOE, US

Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/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
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
     22226  UNALLOCATED  156.1.0.0/16              2152  CSUNET-NW, 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/AARNET-Seattle/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/AARNET-Seattle/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/AARNET-Seattle/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      /14:34      /15:121     /16:1942    /17:391     /18:432     
/19:537     /20:845     /21:865     /22:1371    /23:1511    /24:9649    
/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
 36914         206         219  KENET-AS, KE
  8895         132         137  ISU Internet Services Unit ISU, SA
 23024          53         114  OCDE, US
 25977          31          45  HCCS, US
 28614          31          37  Fundacao Universidade Regional de Blumenau, BR
 32440          30          45  LONI, US
200521          30          51  SEAP-AGE, ES
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US
 40326          29          33  ECKERD-COLLEGE, US

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

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

   1:3         5:15        6:4         8:2        12:1        14:86     
  18:46       23:9        24:3        31:7        35:4        37:6      
  38:9        40:1        41:124      42:10       44:5        45:35     
  46:5        47:1        49:10       50:1        52:1        59:20     
  60:4        61:3        62:6        63:34       64:49       66:35     
  67:43       68:8        69:19       70:2        71:1        72:9      
  74:18       76:33       77:8        78:3        79:10       80:18     
  81:28       82:5        83:6        84:7        85:43       86:4      
  87:1        88:1        89:10       91:45       93:10       94:4      
  95:4        96:5        97:1        98:2       101:6       102:13     
 103:255     104:77      108:8       109:10      110:4       111:16     
 114:23      116:6       117:61      118:32      119:23      121:27     
 122:8       123:8       124:39      125:4       128:58      129:38     
 130:90      131:67      132:52      133:145     134:99      136:200    
 137:75      138:1       139:5       140:52      141:1       142:41     
 143:27      144:23      145:2       146:128     147:59      148:191    
 149:12      150:127     151:6       152:68      153:13      154:29     
 155:48      156:62      157:31      158:44      159:116     160:26     
 161:21      162:20      163:62      164:19      165:57      166:1      
 167:16      168:122     169:10      170:50      171:1       172:2      
 173:7       175:31      176:8       177:11      179:10      180:16     
 181:1       182:3       184:4       185:41      186:3       187:19     
 188:13      189:5       190:34      191:36      192:1322    193:297    
 194:126     195:83      196:162     197:124     198:468     199:282    
 200:238     201:38      202:614     203:271     204:322     205:165    
 206:186     207:171     208:67      209:115     210:184     211:15     
 212:171     213:5       214:8       216:85      217:11      218:22     
 219:6       220:17      222:5       223:3      

End of report


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