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

REN Routing Table Report cscora at frr.nsrc.org
Fri Feb 10 22:25:44 UTC 2023


IPv4 R&E Routing Table Report   22:25 GMT Fri 10 Feb, 2023

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

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

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

BGP routing table entries examined:                               23695
    Prefixes after maximum aggregation (per Origin AS):           12996
    Deaggregation factor:                                          1.82
    Unique aggregates announced (without unneeded subnets):       15488
    Number of IPv4 prefixes with a valid ROA:                      9701
    Number of IPv4 prefixes with an invalid ROA:                     93
    Number of IPv4 prefixes with no ROA:                          13901
Total ASes present in the Internet Routing Table:                  2726
    Prefixes per ASN:                                              8.69
Origin-only ASes present in the Internet Routing Table:            2346
Origin ASes announcing only one prefix:                            1023
Transit ASes present in the Internet Routing Table:                 380
Transit-only ASes present in the Internet Routing Table:             73
Paths with bogon ASNs present in the IPv4 Routing Table:              2
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                      19
    Max AS path prepend of ASN (395156)                              12
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:                      41188
Number of 32-bit ASNs visible in the Routing Table:                 628
Prefixes from 32-bit ASNs in the Routing Table:                    1773
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:              5
Number of addresses announced to Internet:                    283326998
    Equivalent to 16 /8s, 227 /16s and 58 /24s
    Percentage of available address space announced:                7.7
    Percentage of allocated address space announced:                7.7
    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:        3372

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

Prefixes being announced by APNIC Region ASes:                     4001
    Total APNIC prefixes after maximum aggregation:                1665
    APNIC Deaggregation factor:                                    2.40
Prefixes being announced from the APNIC address blocks:            4102
    Unique aggregates announced from the APNIC address blocks:     1986
APNIC Region origin ASes present in the Internet Routing Table:     482
    APNIC Prefixes per ASN:                                        8.51
APNIC Region origin ASes announcing only one prefix:                203
APNIC Region transit ASes present in the Internet Routing Table:     59
Average APNIC Region AS path length visible:                        5.0
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    208
Number of APNIC addresses announced to Internet:               33007148
    Equivalent to 1 /8s, 247 /16s and 166 /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:                     13692
    Total ARIN prefixes after maximum aggregation:                 7693
    ARIN Deaggregation factor:                                     1.78
Prefixes being announced from the ARIN address blocks:            13356
    Unique aggregates announced from the ARIN address blocks:      9264
ARIN Region origin ASes present in the Internet Routing Table:     1277
    ARIN Prefixes per ASN:                                        10.46
ARIN Region origin ASes announcing only one prefix:                 437
ARIN Region transit ASes present in the Internet Routing Table:     166
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          19
Number of ARIN region 32-bit ASNs visible in the Routing Table:     189
Number of ARIN addresses announced to Internet:               175508826
    Equivalent to 10 /8s, 118 /16s and 13 /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:                      3609
    Total RIPE prefixes after maximum aggregation:                 2863
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3840
    Unique aggregates announced from the RIPE address blocks:      3157
RIPE Region origin ASes present in the Internet Routing Table:      684
    RIPE Prefixes per ASN:                                         5.61
RIPE Region origin ASes announcing only one prefix:                 304
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:                          13
Number of RIPE region 32-bit ASNs visible in the Routing Table:     142
Number of RIPE addresses announced to Internet:                67418880
    Equivalent to 4 /8s, 4 /16s and 187 /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:                    1391
    Total LACNIC prefixes after maximum aggregation:                562
    LACNIC Deaggregation factor:                                   2.48
Prefixes being announced from the LACNIC address blocks:           1395
    Unique aggregates announced from the LACNIC address blocks:     782
LACNIC Region origin ASes present in the Internet Routing Table:    151
    LACNIC Prefixes per ASN:                                       9.24
LACNIC Region origin ASes announcing only one prefix:                54
LACNIC Region transit ASes present in the Internet Routing Table:    22
Average LACNIC Region AS path length visible:                       5.1
    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:               4601232
    Equivalent to 0 /8s, 70 /16s and 53 /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:                    996
    Total AfriNIC prefixes after maximum aggregation:               207
    AfriNIC Deaggregation factor:                                  4.81
Prefixes being announced from the AfriNIC address blocks:           997
    Unique aggregates announced from the AfriNIC address blocks:    294
AfriNIC Region origin ASes present in the Internet Routing Table:    54
    AfriNIC Prefixes per ASN:                                     18.46
AfriNIC Region origin ASes announcing only one prefix:               25
AfriNIC Region transit ASes present in the Internet Routing Table:   12
Average AfriNIC Region AS path length visible:                      4.0
    Max AfriNIC Region AS path length visible:                       15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   29
Number of AfriNIC addresses announced to Internet:              2789376
    Equivalent to 0 /8s, 42 /16s and 144 /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
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  7575         350        330     126  AARNET-AS-AP Australian Academic and Re
  1237         192         74     134  KREONET-AS-KR KISTI, KR
  4538         129       4192      73  ERX-CERNET-BKB China Education and Rese
 55824         119         18      12  NKN-CORE-NW NKN Core Network, IN
 24313          83         16       1  NSW-DET-AS NSW Department of Education,
  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
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        4020       4767    1830  AMAZON-02, US
 14618         737       3994     549  AMAZON-AES, US
  8075         318      12787     272  MICROSOFT-CORP-MSN-AS-BLOCK, US
   668         218        702     179  DNIC-AS-00668, US
   376         200        178     149  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
  2152         189        507      92  CSUNET-NW, US
 18558         132         18       4  NETBLK-RCOEK, US
     1         120          2      46  LVLT-1, US
   270         120        329      85  AS270, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         281       1919     249  DFN Verein zur Foerderung eines Deutsch
   786         186       1775     183  JANET Jisc Services Limited, GB
  8895         176         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/UniHawaii/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         180        208      44  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         104         24      47  Red Universitaria Nacional, CL
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  1251          57         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
 61468          46          3      14  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/UniHawaii/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         355        319      71  TENET-1, ZA
 36914         246         82       3  KENET-AS, KE
  2561          67          4      34  EUN, EG
  8094          48         48      15  PUKNET, ZA
327687          44         28       3  RENU, UG
  3208          32          2       1  ARN, DZ
327700          32         16       1  MoRENet, MZ
 37182          31          8       1  TERNET, TZ
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH

Complete listing at https://bgp.nsrc.org/REN/UniHawaii/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        4020       4767    1830  AMAZON-02, US
 14618         737       3994     549  AMAZON-AES, US
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  2018         355        319      71  TENET-1, ZA
  7575         350        330     126  AARNET-AS-AP Australian Academic and Re
  8075         318      12787     272  MICROSOFT-CORP-MSN-AS-BLOCK, US
   680         281       1919     249  DFN Verein zur Foerderung eines Deutsch
 36914         246         82       3  KENET-AS, KE
   668         218        702     179  DNIC-AS-00668, US
   376         200        178     149  RISQ-AS, CA

Complete listing at https://bgp.nsrc.org/REN/UniHawaii/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         355          284  TENET-1, ZA
 36914         246          243  KENET-AS, KE
  7575         350          224  AARNET-AS-AP Australian Academic and Research N
  5786         199          198  UPRENET, PR
 14618         737          188  AMAZON-AES, US
  8895         176          172  ISU Internet Services Unit ISU, SA
  1916         180          136  Rede Nacional de Ensino e Pesquisa, BR
 18558         132          128  NETBLK-RCOEK, US
  2920         117          108  LACOE, US

Complete listing at https://bgp.nsrc.org/REN/UniHawaii/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
     18621  UNALLOCATED  142.156.0.0/16           26677  ORION-ASN, CA
     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/UniHawaii/data-badAS

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

Unassigned Network     ASN Information  AS Name
64.186.3.0/24        Origin:     16509  AMAZON-02, US
64.186.3.0/24       Transit:     11537  INTERNET2-RESEARCH-EDU, US
102.36.194.0/23      Origin:      2018  TENET-1, ZA
102.36.194.0/23     Transit:     11537  INTERNET2-RESEARCH-EDU, US
192.31.196.0/24      Origin:       112  UNASSIGNED
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
198.135.168.0/24     Origin:     14618  AMAZON-AES, US
198.135.168.0/24    Transit:     16509  AMAZON-02, US
216.169.147.0/24     Origin:     14618  AMAZON-AES, US
216.169.147.0/24    Transit:     16509  AMAZON-02, US

Complete listing at https://bgp.nsrc.org/REN/UniHawaii/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       /10:4       /11:9       /12:29      
/13:36      /14:82      /15:201     /16:1959    /17:450     /18:459     
/19:603     /20:988     /21:1122    /22:1781    /23:1885    /24:13633   
/25:82      /26:53      /27:154     /28:45      /29:76      /30:23      
/31:3       /32:17      

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

   ASN  No of nets  Total ann.  Description
 16509         728        4020  AMAZON-02, US
 14618         247         737  AMAZON-AES, US
 36914         233         246  KENET-AS, KE
  8895         171         176  ISU Internet Services Unit ISU, SA
 32440          79          94  LONI, US
 23024          52         113  OCDE, US
  8075          51         318  MICROSOFT-CORP-MSN-AS-BLOCK, US
     1          38         120  LVLT-1, US
 18632          34          65  VOLCANO-VISION, US
 46115          32          35  LUTHER, US

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

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

   1:2         2:1         3:92        4:2         5:17        6:4      
   8:2        12:1        13:191      14:89       15:128      16:5      
  18:177      23:51       24:1        31:7        35:16       37:1      
  38:9        40:2        41:139      42:10       44:5        45:56     
  46:11       47:1        49:10       50:10       52:850      54:273    
  58:2        59:20       60:4        61:3        62:17       63:42     
  64:156      65:42       66:84       67:65       68:18       69:50     
  70:27       71:48       72:18       74:84       76:45       77:9      
  78:4        79:10       80:17       81:28       82:6        83:6      
  84:8        85:46       86:5        87:2        89:13       91:55     
  92:2        93:4        94:8        95:2        96:7        97:2      
  98:13       99:83      101:6       102:15      103:334     104:114    
 107:17      108:81      109:12      110:2       111:17      113:5      
 114:23      115:1       116:8       117:61      118:34      119:21     
 121:26      122:11      124:39      125:4       128:80      129:50     
 130:154     131:76      132:57      134:99      135:3       136:218    
 137:238     138:22      139:28      140:60      141:5       142:56     
 143:40      144:65      145:4       146:133     147:66      148:204    
 149:16      150:136     151:13      152:82      153:91      154:30     
 155:77      156:71      157:39      158:43      159:163     160:6      
 161:38      162:63      163:82      164:22      165:60      166:1      
 167:21      168:159     169:14      170:144     171:1       172:10     
 173:22      174:2       175:31      176:14      177:9       178:2      
 179:10      180:17      181:1       182:4       184:4       185:88     
 186:3       187:19      188:15      189:3       190:15      191:36     
 192:1470    193:355     194:138     195:88      196:158     197:149    
 198:560     199:342     200:222     201:35      202:441     203:435    
 204:383     205:172     206:217     207:196     208:125     209:140    
 210:185     211:18      212:174     213:16      214:8       216:162    
 217:11      218:22      219:1       220:17      222:5       223:4      


End of report


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