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

REN Routing Table Report cscora at frr.nsrc.org
Mon Jun 27 17:10:42 UTC 2022


IPv4 R&E Routing Table Report   17:10 GMT Mon 27 Jun, 2022

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

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

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

BGP routing table entries examined:                               18479
    Prefixes after maximum aggregation (per Origin AS):           10457
    Deaggregation factor:                                          1.77
    Unique aggregates announced (without unneeded subnets):       11608
    Number of IPv4 prefixes with a valid ROA:                      3959
    Number of IPv4 prefixes with an invalid ROA:                      1
    Number of IPv4 prefixes with no ROA:                          14519
Total ASes present in the Internet Routing Table:                  2702
    Prefixes per ASN:                                              6.84
Origin-only ASes present in the Internet Routing Table:            2335
Origin ASes announcing only one prefix:                            1061
Transit ASes present in the Internet Routing Table:                 367
Transit-only ASes present in the Internet Routing Table:             57
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.8
    Max AS path length visible:                                      18
    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:                      39677
Number of 32-bit ASNs visible in the Routing Table:                 620
Prefixes from 32-bit ASNs in the Routing Table:                    1677
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:                    206996560
    Equivalent to 12 /8s, 86 /16s and 132 /24s
    Percentage of available address space announced:                5.6
    Percentage of allocated address space announced:                5.6
    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:        1990

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

Prefixes being announced by APNIC Region ASes:                     4715
    Total APNIC prefixes after maximum aggregation:                2303
    APNIC Deaggregation factor:                                    2.05
Prefixes being announced from the APNIC address blocks:            4716
    Unique aggregates announced from the APNIC address blocks:     2619
APNIC Region origin ASes present in the Internet Routing Table:     588
    APNIC Prefixes per ASN:                                        8.02
APNIC Region origin ASes announcing only one prefix:                259
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:               46165312
    Equivalent to 2 /8s, 192 /16s and 109 /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:                      8082
    Total ARIN prefixes after maximum aggregation:                 4724
    ARIN Deaggregation factor:                                     1.71
Prefixes being announced from the ARIN address blocks:             8101
    Unique aggregates announced from the ARIN address blocks:      5263
ARIN Region origin ASes present in the Internet Routing Table:     1226
    ARIN Prefixes per ASN:                                         6.61
ARIN Region origin ASes announcing only one prefix:                 429
ARIN Region transit ASes present in the Internet Routing Table:     154
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:     172
Number of ARIN addresses announced to Internet:                96325808
    Equivalent to 5 /8s, 189 /16s and 208 /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:                      3310
    Total RIPE prefixes after maximum aggregation:                 2657
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3297
    Unique aggregates announced from the RIPE address blocks:      2672
RIPE Region origin ASes present in the Internet Routing Table:      613
    RIPE Prefixes per ASN:                                         5.38
RIPE Region origin ASes announcing only one prefix:                 283
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:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     122
Number of RIPE addresses announced to Internet:                57543360
    Equivalent to 3 /8s, 110 /16s and 10 /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:                    1437
    Total LACNIC prefixes after maximum aggregation:                567
    LACNIC Deaggregation factor:                                   2.53
Prefixes being announced from the LACNIC address blocks:           1434
    Unique aggregates announced from the LACNIC address blocks:     764
LACNIC Region origin ASes present in the Internet Routing Table:    165
    LACNIC Prefixes per ASN:                                       8.69
LACNIC Region origin ASes announcing only one prefix:                67
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:                        14
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    68
Number of LACNIC addresses announced to Internet:               4307616
    Equivalent to 0 /8s, 65 /16s and 186 /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:                    929
    Total AfriNIC prefixes after maximum aggregation:               200
    AfriNIC Deaggregation factor:                                  4.64
Prefixes being announced from the AfriNIC address blocks:           929
    Unique aggregates announced from the AfriNIC address blocks:    288
AfriNIC Region origin ASes present in the Internet Routing Table:    48
    AfriNIC Prefixes per ASN:                                     19.35
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:                      3.8
    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:              2653952
    Equivalent to 0 /8s, 40 /16s and 127 /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         579       2140     456  SINET-AS Research Organization of Infor
  7497         433        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         176        330     122  AARNET-AS-AP Australian Academic and Re
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP
 55824         113         18       9  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/URAN/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         156        507      90  CSUNET-NW, US
 18558         134         18       4  NETBLK-RCOEK, US
   270         120        329      88  AS270, US
 23024         114          7      17  OCDE, US
  2920         111         34       7  LACOE, US
 32531          91         16       1  FORDHAM-UNIVERSITY, US
 32440          88         18      19  LONI, US

Complete listing at https://bgp.nsrc.org/REN/URAN/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         187       1775     184  JANET Jisc Services Limited, GB
  8895         179         24       4  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          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/URAN/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         175        208      45  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          94         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          43         16       1  Red de Interconexion Universitaria, AR
 28571          41         40      18  UNIVERSIDADE DE SAO PAULO, BR
 61468          41          3      15  CEDIA, EC
 28614          37          2       2  Fundacao Universidade Regional de Blume

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         373        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          38         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/URAN/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         579       2140     456  SINET-AS Research Organization of Infor
  7497         433        182      24  CSTNET-AS-AP Computer Network Informati
  2018         373        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         190         74     135  KREONET-AS-KR KISTI, KR
  4538         189       4192      73  ERX-CERNET-BKB China Education and Rese

Complete listing at https://bgp.nsrc.org/REN/URAN/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         373          300  TENET-1, ZA
 36914         219          216  KENET-AS, KE
  5786         200          199  UPRENET, PR
  8895         179          175  ISU Internet Services Unit ISU, SA
 58647         175          173  KAGAWAU-AS Kagawa University, JP
  1916         175          130  Rede Nacional de Ensino e Pesquisa, BR
 18558         134          130  NETBLK-RCOEK, US
  4538         189          116  ERX-CERNET-BKB China Education and Research Net
 55824         113          104  NKN-CORE-NW NKN Core Network, IN

Complete listing at https://bgp.nsrc.org/REN/URAN/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/URAN/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/URAN/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/URAN/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      /14:36      /15:122     /16:2032    /17:404     /18:439     
/19:552     /20:841     /21:855     /22:1387    /23:1513    /24:10053   
/25:81      /26:49      /27:81      /28:1       /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         174         179  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
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US
 40326          29          33  ECKERD-COLLEGE, US
327700          29          34  MoRENet, MZ

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

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

   1:3         2:1         5:15        6:4         8:2        12:1      
  14:85       18:46       23:7        24:3        31:7        35:4      
  37:6        38:9        40:1        41:123      42:15       44:5      
  45:35       46:5        47:1        49:10       50:1        52:1      
  58:10       59:21       60:4        61:3        62:6        63:34     
  64:51       65:1        66:35       67:43       68:8        69:18     
  70:2        71:1        72:9        74:18       76:33       77:7      
  78:3        79:10       80:8        81:28       82:3        83:6      
  84:9        85:24       86:4        87:1        88:1        89:10     
  91:43       93:10       94:4        95:4        96:5        97:1      
  98:2       101:8       102:13      103:308     104:77      108:8      
 109:10      110:4       111:16      114:23      116:6       117:61     
 118:33      119:24      121:28      122:8       123:8       124:39     
 125:4       128:86      129:38      130:92      131:66      132:58     
 133:145     134:99      136:200     137:74      138:9       139:5      
 140:48      141:1       142:41      143:31      144:25      145:2      
 146:129     147:59      148:191     149:12      150:130     151:6      
 152:78      153:13      154:29      155:51      156:66      157:28     
 158:44      159:116     160:26      161:21      162:20      163:60     
 164:18      165:57      166:2       167:16      168:122     169:10     
 170:52      172:2       173:7       175:31      176:8       177:11     
 179:10      180:21      181:1       182:4       184:5       185:36     
 186:3       187:19      188:12      189:5       190:33      191:36     
 192:1444    193:300     194:123     195:83      196:160     197:126    
 198:482     199:284     200:232     201:37      202:631     203:431    
 204:332     205:167     206:188     207:171     208:66      209:117    
 210:183     211:13      212:150     213:2       214:8       216:85     
 217:10      218:22      219:12      220:16      222:6       223:4      


End of report


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