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

REN Routing Table Report cscora at frr.nsrc.org
Sat Aug 27 22:25:48 UTC 2022


IPv4 R&E Routing Table Report   22:25 GMT Sat 27 Aug, 2022

  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:                               23551
    Prefixes after maximum aggregation (per Origin AS):           13123
    Deaggregation factor:                                          1.79
    Unique aggregates announced (without unneeded subnets):       15162
    Number of IPv4 prefixes with a valid ROA:                      8274
    Number of IPv4 prefixes with an invalid ROA:                     74
    Number of IPv4 prefixes with no ROA:                          15203
Total ASes present in the Internet Routing Table:                  2811
    Prefixes per ASN:                                              8.38
Origin-only ASes present in the Internet Routing Table:            2430
Origin ASes announcing only one prefix:                            1078
Transit ASes present in the Internet Routing Table:                 381
Transit-only ASes present in the Internet Routing Table:             61
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:                                      17
    Max AS path prepend of ASN ( 10497)                              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:                      40067
Number of 32-bit ASNs visible in the Routing Table:                 638
Prefixes from 32-bit ASNs in the Routing Table:                    1808
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    2
Prefixes being announced from unallocated address space:              5
Number of addresses announced to Internet:                    292709588
    Equivalent to 17 /8s, 114 /16s and 100 /24s
    Percentage of available address space announced:                7.9
    Percentage of allocated address space announced:                7.9
    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:        3073

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

Prefixes being announced by APNIC Region ASes:                     4976
    Total APNIC prefixes after maximum aggregation:                2302
    APNIC Deaggregation factor:                                    2.16
Prefixes being announced from the APNIC address blocks:            5068
    Unique aggregates announced from the APNIC address blocks:     2666
APNIC Region origin ASes present in the Internet Routing Table:     579
    APNIC Prefixes per ASN:                                        8.75
APNIC Region origin ASes announcing only one prefix:                255
APNIC Region transit ASes present in the Internet Routing Table:     64
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         17
Number of APNIC region 32-bit ASNs visible in the Routing Table:    227
Number of APNIC addresses announced to Internet:               46393196
    Equivalent to 2 /8s, 195 /16s and 231 /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:                     12581
    Total ARIN prefixes after maximum aggregation:                 7163
    ARIN Deaggregation factor:                                     1.76
Prefixes being announced from the ARIN address blocks:            12301
    Unique aggregates announced from the ARIN address blocks:      8303
ARIN Region origin ASes present in the Internet Routing Table:     1279
    ARIN Prefixes per ASN:                                         9.62
ARIN Region origin ASes announcing only one prefix:                 435
ARIN Region transit ASes present in the Internet Routing Table:     170
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          14
Number of ARIN region 32-bit ASNs visible in the Routing Table:     185
Number of ARIN addresses announced to Internet:               175626680
    Equivalent to 10 /8s, 119 /16s and 217 /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:                      3579
    Total RIPE prefixes after maximum aggregation:                 2856
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3757
    Unique aggregates announced from the RIPE address blocks:      3076
RIPE Region origin ASes present in the Internet Routing Table:      678
    RIPE Prefixes per ASN:                                         5.54
RIPE Region origin ASes announcing only one prefix:                 303
RIPE Region transit ASes present in the Internet Routing Table:      98
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:     135
Number of RIPE addresses announced to Internet:                63149056
    Equivalent to 3 /8s, 195 /16s and 148 /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:                    1460
    Total LACNIC prefixes after maximum aggregation:                583
    LACNIC Deaggregation factor:                                   2.50
Prefixes being announced from the LACNIC address blocks:           1469
    Unique aggregates announced from the LACNIC address blocks:     802
LACNIC Region origin ASes present in the Internet Routing Table:    160
    LACNIC Prefixes per ASN:                                       9.18
LACNIC Region origin ASes announcing only one prefix:                61
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:    65
Number of LACNIC addresses announced to Internet:               4777520
    Equivalent to 0 /8s, 72 /16s and 230 /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:                    949
    Total AfriNIC prefixes after maximum aggregation:               213
    AfriNIC Deaggregation factor:                                  4.46
Prefixes being announced from the AfriNIC address blocks:           951
    Unique aggregates announced from the AfriNIC address blocks:    310
AfriNIC Region origin ASes present in the Internet Routing Table:    49
    AfriNIC Prefixes per ASN:                                     19.41
AfriNIC Region origin ASes announcing only one prefix:               24
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      4.0
    Max AfriNIC Region AS path length visible:                       13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   26
Number of AfriNIC addresses announced to Internet:              2761984
    Equivalent to 0 /8s, 42 /16s and 37 /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       2108     454  SINET-AS Research Organization of Infor
  7497         433        182      24  CSTNET-AS-AP Computer Network Informati
  7575         350        330     128  AARNET-AS-AP Australian Academic and Re
  1237         193         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         115         18      11  NKN-CORE-NW NKN Core Network, IN
 24313          82         16       1  NSW-DET-AS NSW Department of Education,
  4621          78         37      10  UNINET-AS-AP UNINET-, TH
  4762          65          4       1  MAHIDOL-BORDER-AS Mahidol University, T

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        3005       4596    1368  AMAZON-02, US
 14618         625       3991     483  AMAZON-AES, US
  8075         266      11728     229  MICROSOFT-CORP-MSN-AS-BLOCK, US
   668         218        703     180  DNIC-AS-00668, US
   376         203        178     152  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  2152         192        507      92  CSUNET-NW, US
 18558         137         18       4  NETBLK-RCOEK, US
     1         122          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         282       1951     250  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          98       1520      86  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/UniHawaii/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         177        208      44  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          94         24      53  Red Universitaria Nacional, CL
  2715          59        102      39  Fundacao Carlos Chagas Filho de Amparo 
  1251          58         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
 61468          46          3      15  CEDIA, EC
  4270          42         16       1  Red de Interconexion Universitaria, AR
 28571          41         40      18  UNIVERSIDADE DE SAO PAULO, BR
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
 28614          37          2       2  Fundacao Universidade Regional de Blume

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         376        319      73  TENET-1, ZA
 36914         232         82       3  KENET-AS, KE
  2561          67          4      32  EUN, EG
  8094          48         48      15  PUKNET, ZA
327687          40         28       3  RENU, UG
327700          34         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37182          19          1      13  TERNET, TZ
 37074          13          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA

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        3005       4596    1368  AMAZON-02, US
 14618         625       3991     483  AMAZON-AES, US
  2907         570       2108     454  SINET-AS Research Organization of Infor
  7497         433        182      24  CSTNET-AS-AP Computer Network Informati
  2018         376        319      73  TENET-1, ZA
  7575         350        330     128  AARNET-AS-AP Australian Academic and Re
   680         282       1951     250  DFN Verein zur Foerderung eines Deutsch
  8075         266      11728     229  MICROSOFT-CORP-MSN-AS-BLOCK, US
 36914         232         82       3  KENET-AS, KE
   668         218        703     180  DNIC-AS-00668, US

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         433          409  CSTNET-AS-AP Computer Network Information Cente
  2018         376          303  TENET-1, ZA
 36914         232          229  KENET-AS, KE
  7575         350          222  AARNET-AS-AP Australian Academic and Research N
  5786         200          199  UPRENET, PR
  8895         180          176  ISU Internet Services Unit ISU, SA
 58647         175          173  KAGAWAU-AS Kagawa University, JP
 14618         625          142  AMAZON-AES, US
  1916         177          133  Rede Nacional de Ensino e Pesquisa, BR
 18558         137          133  NETBLK-RCOEK, 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
     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/UniHawaii/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
100.127.133.128/25        11096  FLORIDANET, US
192.88.99.0/24             1103  SURFNET-NL SURFnet, The Netherlands, NL

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

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

Unassigned Network     ASN Information  AS Name
100.127.133.128/25   Origin:     11096  FLORIDANET, US
100.127.133.128/25  Transit:      2153  CSUNET-NE, US
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
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       /11:8       /12:28      
/13:36      /14:80      /15:200     /16:2150    /17:476     /18:485     
/19:621     /20:1016    /21:1045    /22:1666    /23:1842    /24:13399   
/25:90      /26:56      /27:155     /28:61      /29:87      /30:25      
/31:2       /32:18      

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

   ASN  No of nets  Total ann.  Description
 16509         475        3005  AMAZON-02, US
 36914         219         232  KENET-AS, KE
 14618         207         625  AMAZON-AES, US
  8895         175         180  ISU Internet Services Unit ISU, SA
 32440          77          92  LONI, US
 23024          53         114  OCDE, US
     1          38         122  LVLT-1, US
  8075          37         266  MICROSOFT-CORP-MSN-AS-BLOCK, US
 18632          34          63  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)
----------------------------------------------

   1:3         3:84        4:2         5:16        6:4         8:2      
  12:1        13:123      14:86       15:90       16:5        18:70     
  23:51       24:3        31:7        35:11       37:1        38:9      
  40:2        41:128      42:10       44:5        45:50       46:10     
  47:1        49:10       50:10       52:766      54:256      58:2      
  59:20       60:4        61:3        62:15       63:42       64:144    
  65:22       66:63       67:63       68:17       69:46       70:28     
  71:24       72:16       74:74       76:44       77:9        78:4      
  79:10       80:18       81:27       82:6        83:6        84:4      
  85:47       86:6        87:2        88:1        89:12       91:56     
  92:1        93:4        94:8        95:4        96:6        97:1      
  98:13       99:64      101:6       102:14      103:338     104:107    
 107:17      108:25      109:12      110:4       111:17      113:5      
 114:23      115:1       116:8       117:61      118:34      119:23     
 121:27      122:11      124:39      125:4       128:80      129:46     
 130:147     131:89      132:53      133:145     134:100     135:2      
 136:216     137:232     138:22      139:26      140:61      141:5      
 142:55      143:35      144:45      145:2       146:130     147:66     
 148:202     149:15      150:138     151:8       152:82      153:90     
 154:28      155:72      156:70      157:29      158:47      159:165    
 160:31      161:32      162:55      163:84      164:21      165:66     
 166:1       167:23      168:169     169:14      170:132     172:10     
 173:19      174:1       175:30      176:12      177:10      178:3      
 179:11      180:18      181:1       182:7       184:3       185:77     
 186:3       187:19      188:14      189:3       190:34      191:35     
 192:1524    193:321     194:134     195:90      196:162     197:137    
 198:543     199:338     200:225     201:38      202:628     203:446    
 204:384     205:160     206:217     207:199     208:121     209:138    
 210:184     211:13      212:178     213:16      214:8       216:162    
 217:11      218:22      219:6       220:16      222:5       223:4      


End of report


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