[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view

REN Routing Table Report cscora at bgp.nsrc.org
Wed May 15 20:16:31 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Wed 15 May, 2024

  IPv4 BGP Table (R&E) as seen at KREONet2.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/KREONet2/

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

BGP routing table entries examined:                              189745
    Prefixes after maximum aggregation (per Origin AS):           83719
    Deaggregation factor:                                          2.27
    Unique aggregates announced (without unneeded subnets):      104312
    Number of IPv4 prefixes with a valid ROA:                     74128
    Number of IPv4 prefixes with an invalid ROA:                     19
    Number of IPv4 prefixes with no ROA:                         115598
Total ASes present in the Internet Routing Table:                 15915
    Prefixes per ASN:                                             11.92
Origin-only ASes present in the Internet Routing Table:           13747
Origin ASes announcing only one prefix:                            6300
Transit ASes present in the Internet Routing Table:                2168
Transit-only ASes present in the Internet Routing Table:            600
Paths with bogon ASNs present in the IPv4 Routing Table:              4
Average AS path length visible in the Internet Routing Table:       5.9
    Max AS path length visible:                                      28
    Max AS path prepend of ASN (265990)                              21
Prefixes from unregistered ASNs in the Routing Table:               231
    Number of instances of unregistered ASNs:                       231
Number of 32-bit ASNs allocated by the RIRs:                      44471
Number of 32-bit ASNs visible in the Routing Table:                5665
Prefixes from 32-bit ASNs in the Routing Table:                   19040
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:             99
Number of addresses announced to Internet:                   1115061153
    Equivalent to 66 /8s, 118 /16s and 123 /24s
    Percentage of available address space announced:               30.1
    Percentage of allocated address space announced:               30.1
    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:       55376

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

Prefixes being announced by APNIC Region ASes:                    30079
    Total APNIC prefixes after maximum aggregation:                7002
    APNIC Deaggregation factor:                                    4.30
Prefixes being announced from the APNIC address blocks:           29562
    Unique aggregates announced from the APNIC address blocks:     7981
APNIC Region origin ASes present in the Internet Routing Table:    1149
    APNIC Prefixes per ASN:                                       25.73
APNIC Region origin ASes announcing only one prefix:                462
APNIC Region transit ASes present in the Internet Routing Table:    200
Average APNIC Region AS path length visible:                        7.3
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    502
Number of APNIC addresses announced to Internet:              200201328
    Equivalent to 11 /8s, 238 /16s and 212 /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, 131072-153913
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:                     88906
    Total ARIN prefixes after maximum aggregation:                48540
    ARIN Deaggregation factor:                                     1.83
Prefixes being announced from the ARIN address blocks:            87610
    Unique aggregates announced from the ARIN address blocks:     54558
ARIN Region origin ASes present in the Internet Routing Table:     7490
    ARIN Prefixes per ASN:                                        11.70
ARIN Region origin ASes announcing only one prefix:                3229
ARIN Region transit ASes present in the Internet Routing Table:     670
Average ARIN Region AS path length visible:                         5.4
    Max ARIN Region AS path length visible:                          26
Number of ARIN region 32-bit ASNs visible in the Routing Table:    1547
Number of ARIN addresses announced to Internet:               655943521
    Equivalent to 39 /8s, 24 /16s and 231 /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, 393216-402332
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:                     35901
    Total RIPE prefixes after maximum aggregation:                16879
    RIPE Deaggregation factor:                                     2.13
Prefixes being announced from the RIPE address blocks:            36666
    Unique aggregates announced from the RIPE address blocks:     24365
RIPE Region origin ASes present in the Internet Routing Table:     3438
    RIPE Prefixes per ASN:                                        10.66
RIPE Region origin ASes announcing only one prefix:                1463
RIPE Region transit ASes present in the Internet Routing Table:     535
Average RIPE Region AS path length visible:                         5.9
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1267
Number of RIPE addresses announced to Internet:               160093648
    Equivalent to 9 /8s, 138 /16s and 213 /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
                       196608-216475
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:                   29899
    Total LACNIC prefixes after maximum aggregation:               9332
    LACNIC Deaggregation factor:                                   3.20
Prefixes being announced from the LACNIC address blocks:          29583
    Unique aggregates announced from the LACNIC address blocks:   14323
LACNIC Region origin ASes present in the Internet Routing Table:   2925
    LACNIC Prefixes per ASN:                                      10.11
LACNIC Region origin ASes announcing only one prefix:              1052
LACNIC Region transit ASes present in the Internet Routing Table:   580
Average LACNIC Region AS path length visible:                       5.9
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2233
Number of LACNIC addresses announced to Internet:              71847936
    Equivalent to 4 /8s, 72 /16s and 80 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + 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:                   4729
    Total AfriNIC prefixes after maximum aggregation:              1786
    AfriNIC Deaggregation factor:                                  2.65
Prefixes being announced from the AfriNIC address blocks:          6225
    Unique aggregates announced from the AfriNIC address blocks:   2993
AfriNIC Region origin ASes present in the Internet Routing Table:   218
    AfriNIC Prefixes per ASN:                                     28.56
AfriNIC Region origin ASes announcing only one prefix:               94
AfriNIC Region transit ASes present in the Internet Routing Table:   69
Average AfriNIC Region AS path length visible:                      5.7
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  116
Number of AfriNIC addresses announced to Internet:             26886400
    Equivalent to 1 /8s, 154 /16s and 65 /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
  9808        9651       8742      61  CHINAMOBILE-CN China Mobile Communicati
 56047        1506        192      47  CMNET-HUNAN-AP China Mobile communicati
 56046        1483        874     109  CMNET-JIANGSU-AP China Mobile communica
 56041        1448        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24547         790        168      56  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         762        501      72  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
 17676         723      10640     154  GIGAINFRA SoftBank Corp., JP
  2907         601       2162     465  SINET-AS Research Organization of Infor
 24445         477        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun
 56040         450        490     109  CMNET-GUANGDONG-AP China Mobile communi

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9860      11368    3548  AMAZON-02, US
   749        3225      54904    2477  DNIC-AS-00749, US
   367        2813       3460    1323  DNIC-ASBLK-00306-00371, US
 11776        1860        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1805        116    1252  USDA-1, US
   209        1699       4898     311  CENTURYLINK-US-LEGACY-QWEST, US
 11492        1597        105     891  CABLEONE, US
  5972        1347        387     612  DNIC-ASBLK-05800-06055, US
  7979        1014         67     200  SERVERS-COM, US
   855         960        255      82  CANET-ASN-4, CA

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        1292        107    1044  AKAMAI-ASN1, NL
  3215         900       4830     293  France Telecom - Orange, FR
 25019         815       1044     145  SAUDINETSTC-AS, SA
  8376         720         60      22  Jordan Data Communications, JO
  8452         613       1841      11  TE-AS TE-AS, EG
 51167         509         98     214  CONTABO, DE
 35819         436        436      74  MOBILY-AS Etihad Etisalat Company Mobil
 20978         420        196      13  TT_MOBIL Istanbul, TR
 13046         389         34       5  ASN-ISKON, HR

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151        5540       1542     790  UNINET, MX
  3816        1321        789     190  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1099        369      22  Telefonica del Peru S.A.A., PE
 11830        1042        324       5  Instituto Costarricense de Electricidad
 18881         753       1126      30  TELEFONICA BRASIL S.A, BR
 26599         539       2819      83  TELEFONICA BRASIL S.A, BR
 13999         491         66     214  Mega Cable, S.A. de C.V., MX
 10620         415         53     344  Telmex Colombia S.A., CO
 27983         234         23     123  Red Intercable Digital S.A., AR
 22724         229         15     100  PUNTONET S.A., EC

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24863         772        233     308  LINKdotNET-AS, EG
 29571         719         60     177  ORANGE-COTE-IVOIRE, CI
  2018         380        319      71  TENET-1, ZA
 36935         258         64      79  Vodafone-, EG
 36914         251         82       3  KENET-AS, KE
 36992         205        257     171  ETISALAT-MISR, EG
 37492         151        471      44  ORANGE-, TN
 24835         148        150      87  RAYA-AS, EG
 37693         146        595      51  TUNISIANA, TN
 15706         110         12      26  Sudatel, SD

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9860      11368    3548  AMAZON-02, US
  9808        9651       8742      61  CHINAMOBILE-CN China Mobile Communicati
  8151        5540       1542     790  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3225      54904    2477  DNIC-AS-00749, US
   367        2813       3460    1323  DNIC-ASBLK-00306-00371, US
 11776        1860        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1805        116    1252  USDA-1, US
   209        1699       4898     311  CENTURYLINK-US-LEGACY-QWEST, US
 11492        1597        105     891  CABLEONE, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
  9808        9651         9590  CHINAMOBILE-CN China Mobile Communications Grou
  8151        5540         4750  UNINET, MX
 39891        4758         4698  ALJAWWALSTC-AS, SA
 11776        1860         1640  ATLANTICBB-JOHNSTOWN, US
   367        2813         1490  DNIC-ASBLK-00306-00371, US
 56047        1506         1459  CMNET-HUNAN-AP China Mobile communications corp
   209        1699         1388  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1448         1375  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1483         1374  CMNET-JIANGSU-AP China Mobile communications co
  3816        1321         1131  COLOMBIA TELECOMUNICACIONES S.A. ESP, CO

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     46639  UNALLOCATED  8.38.73.0/24              3356  LEVEL3, US
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     46639  UNALLOCATED  8.42.219.0/24             3356  LEVEL3, US
     13342  UNALLOCATED  12.17.5.0/24              7018  ATT-INTERNET4, US
     22538  UNALLOCATED  12.131.3.0/24             7018  ATT-INTERNET4, US
     26295  UNALLOCATED  12.147.1.0/24             7018  ATT-INTERNET4, US
     30442  UNALLOCATED  12.155.208.0/24           7018  ATT-INTERNET4, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-badAS

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

Prefix                Origin AS  Description
192.88.99.0/24             1835  FSKNET-DK Forskningsnettet - Danish network for

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar

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

Unassigned Network     ASN Information  AS Name
41.57.124.0/22       Origin:     37442  RESERVED, ZZ
41.57.124.0/22      Transit:     37204  TELONE, ZW
41.57.124.0/23       Origin:     37442  RESERVED, ZZ
41.57.124.0/23      Transit:     37204  TELONE, ZW
41.57.124.0/24       Origin:     37442  RESERVED, ZZ
41.57.124.0/24      Transit:     37204  TELONE, ZW
41.57.125.0/24       Origin:     37442  RESERVED, ZZ
41.57.125.0/24      Transit:     37204  TELONE, ZW
41.57.126.0/24       Origin:     37442  RESERVED, ZZ
41.57.126.0/24      Transit:     37204  TELONE, ZW

Complete listing at https://bgp.nsrc.org/REN/KREONet2/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        /8:11       /9:6       /10:17      /11:30      /12:92      
/13:125     /14:356     /15:691     /16:5948    /17:2469    /18:2556    
/19:5399    /20:8631    /21:10825   /22:19825   /23:20517   /24:111997  
/25:75      /26:49      /27:69      /28:19      /29:20      /30:14      
/31:0       /32:4       

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

   ASN  No of nets  Total ann.  Description
 39891        3440        4758  ALJAWWALSTC-AS, SA
  8151        2917        5540  UNINET, MX
 16509        2107        9860  AMAZON-02, US
 11492        1207        1597  CABLEONE, US
   209         961        1699  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1860  ATLANTICBB-JOHNSTOWN, US
 11830         883        1042  Instituto Costarricense de Electricidad y Telec
 19901         736         877  BRSPD-PUBLIC, US
  6147         694        1099  Telefonica del Peru S.A.A., PE
  8376         567         720  Jordan Data Communications, JO

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos

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

   1:11        2:376       3:341       5:1096      6:148       7:5      
   8:624      11:171      12:661      13:304      14:102      15:282    
  16:175      17:6        18:735      20:33       21:4        22:188    
  23:1865     24:735      25:2        27:28       29:19       31:199    
  32:1        34:10       35:57       36:1174     37:436      38:988    
  39:524      40:11       41:696      42:13       43:179      44:35     
  45:2413     46:644      47:98       49:9        50:276      51:477    
  52:1359     54:274      55:1000     57:16       58:7        59:36     
  60:19       61:62       62:332      63:506      64:1535     65:824    
  66:1281     67:832      68:173      69:858      70:148      71:196    
  72:486      74:741      75:394      76:217      77:317      78:515    
  79:173      80:219      81:188      82:179      83:108      84:180    
  85:346      86:154      87:153      88:116      89:518      90:96     
  91:568      92:420      93:795      94:507      95:1116     96:365    
  97:33       98:136      99:150     100:23      101:20      102:223    
 103:1099    104:763     105:97      106:3       107:199     108:310    
 109:285     110:36      111:1789    112:444     113:46      114:32     
 115:16      116:33      117:962     118:71      119:104     120:1076   
 121:19      122:86      123:20      124:58      125:12      128:362    
 129:288     130:503     131:803     132:496     133:195     134:336    
 135:89      136:368     137:416     138:751     139:401     140:593    
 141:326     142:704     143:592     144:334     145:66      146:492    
 147:392     148:621     149:504     150:293     151:578     152:583    
 153:119     154:529     155:683     156:453     157:287     158:321    
 159:689     160:990     161:480     162:686     163:284     164:645    
 165:392     166:98      167:400     168:898     169:149     170:1252   
 171:63      172:905     173:819     174:189     175:41      176:386    
 177:733     178:319     179:510     180:55      181:901     182:25     
 183:826     184:312     185:2410    186:781     187:725     188:561    
 189:1121    190:2716    191:187     192:3891    193:1266    194:841    
 195:567     196:391     197:333     198:2002    199:3658    200:2394   
 201:2394    202:1070    203:624     204:1801    205:1696    206:1176   
 207:1162    208:944     209:1444    210:342     211:431     212:691    
 213:544     214:1001    215:42      216:1784    217:320     218:524    
 219:24      220:29      221:302     222:22      223:636    

End of report


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