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

REN Routing Table Report cscora at bgp.nsrc.org
Tue May 21 20:16:50 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Tue 21 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:                              191988
    Prefixes after maximum aggregation (per Origin AS):           85269
    Deaggregation factor:                                          2.25
    Unique aggregates announced (without unneeded subnets):      106407
    Number of IPv4 prefixes with a valid ROA:                     75773
    Number of IPv4 prefixes with an invalid ROA:                     19
    Number of IPv4 prefixes with no ROA:                         116196
Total ASes present in the Internet Routing Table:                 16064
    Prefixes per ASN:                                             11.95
Origin-only ASes present in the Internet Routing Table:           13872
Origin ASes announcing only one prefix:                            6379
Transit ASes present in the Internet Routing Table:                2192
Transit-only ASes present in the Internet Routing Table:            585
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:               250
    Number of instances of unregistered ASNs:                       250
Number of 32-bit ASNs allocated by the RIRs:                      44495
Number of 32-bit ASNs visible in the Routing Table:                5759
Prefixes from 32-bit ASNs in the Routing Table:                   19994
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:            109
Number of addresses announced to Internet:                   1120642717
    Equivalent to 66 /8s, 203 /16s and 166 /24s
    Percentage of available address space announced:               30.3
    Percentage of allocated address space announced:               30.3
    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:       56649

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

Prefixes being announced by APNIC Region ASes:                    30685
    Total APNIC prefixes after maximum aggregation:                7348
    APNIC Deaggregation factor:                                    4.18
Prefixes being announced from the APNIC address blocks:           30094
    Unique aggregates announced from the APNIC address blocks:     8354
APNIC Region origin ASes present in the Internet Routing Table:    1199
    APNIC Prefixes per ASN:                                       25.10
APNIC Region origin ASes announcing only one prefix:                487
APNIC Region transit ASes present in the Internet Routing Table:    208
Average APNIC Region AS path length visible:                        7.2
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    534
Number of APNIC addresses announced to Internet:              201501292
    Equivalent to 12 /8s, 2 /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, 131072-153913
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:                     89318
    Total ARIN prefixes after maximum aggregation:                48793
    ARIN Deaggregation factor:                                     1.83
Prefixes being announced from the ARIN address blocks:            87991
    Unique aggregates announced from the ARIN address blocks:     54803
ARIN Region origin ASes present in the Internet Routing Table:     7499
    ARIN Prefixes per ASN:                                        11.73
ARIN Region origin ASes announcing only one prefix:                3254
ARIN Region transit ASes present in the Internet Routing Table:     686
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:    1554
Number of ARIN addresses announced to Internet:               655930977
    Equivalent to 39 /8s, 24 /16s and 182 /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:                     37075
    Total RIPE prefixes after maximum aggregation:                17628
    RIPE Deaggregation factor:                                     2.10
Prefixes being announced from the RIPE address blocks:            37833
    Unique aggregates announced from the RIPE address blocks:     25529
RIPE Region origin ASes present in the Internet Routing Table:     3510
    RIPE Prefixes per ASN:                                        10.78
RIPE Region origin ASes announcing only one prefix:                1486
RIPE Region transit ASes present in the Internet Routing Table:     534
Average RIPE Region AS path length visible:                         5.7
    Max RIPE Region AS path length visible:                          28
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1297
Number of RIPE addresses announced to Internet:               162581712
    Equivalent to 9 /8s, 176 /16s and 204 /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:                   29983
    Total LACNIC prefixes after maximum aggregation:               9401
    LACNIC Deaggregation factor:                                   3.19
Prefixes being announced from the LACNIC address blocks:          29675
    Unique aggregates announced from the LACNIC address blocks:   14491
LACNIC Region origin ASes present in the Internet Routing Table:   2935
    LACNIC Prefixes per ASN:                                      10.11
LACNIC Region origin ASes announcing only one prefix:              1055
LACNIC Region transit ASes present in the Internet Routing Table:   588
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:  2247
Number of LACNIC addresses announced to Internet:              72449280
    Equivalent to 4 /8s, 81 /16s and 125 /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:                   4677
    Total AfriNIC prefixes after maximum aggregation:              1921
    AfriNIC Deaggregation factor:                                  2.43
Prefixes being announced from the AfriNIC address blocks:          6286
    Unique aggregates announced from the AfriNIC address blocks:   3131
AfriNIC Region origin ASes present in the Internet Routing Table:   236
    AfriNIC Prefixes per ASN:                                     26.64
AfriNIC Region origin ASes announcing only one prefix:               97
AfriNIC Region transit ASes present in the Internet Routing Table:   73
Average AfriNIC Region AS path length visible:                      6.2
    Max AfriNIC Region AS path length visible:                       16
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  127
Number of AfriNIC addresses announced to Internet:             28086528
    Equivalent to 1 /8s, 172 /16s and 145 /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        9653       8742      61  CHINAMOBILE-CN China Mobile Communicati
 56047        1505        192      47  CMNET-HUNAN-AP China Mobile communicati
 56046        1481        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         722      10640     154  GIGAINFRA SoftBank Corp., JP
  2907         601       2162     465  SINET-AS Research Organization of Infor
 56040         491        490     109  CMNET-GUANGDONG-AP China Mobile communi
 24445         478        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun

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        9903      11371    3553  AMAZON-02, US
   749        3224      54904    2476  DNIC-AS-00749, US
   367        2825       3422    1321  DNIC-ASBLK-00306-00371, US
 11776        1862        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1822        117    1258  USDA-1, US
   209        1699       4898     311  CENTURYLINK-US-LEGACY-QWEST, US
 11492        1597        105     891  CABLEONE, US
  5972        1330        383     611  DNIC-ASBLK-05800-06055, US
  7979         990         64     201  SERVERS-COM, US
   855         959        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        1297        107    1047  AKAMAI-ASN1, NL
  3215         898       4830     291  France Telecom - Orange, FR
 25019         821       1044     145  SAUDINETSTC-AS, SA
  8376         714         60      21  Jordan Data Communications, JO
  8452         626       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
 57878         381         31     187  PRAGER-IT, AT

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        5334       1496     746  UNINET, MX
  3816        1321        789     195  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1084        369      22  Telefonica del Peru S.A.A., PE
 11830        1041        324       5  Instituto Costarricense de Electricidad
 18881         753       1126      30  TELEFONICA BRASIL S.A, BR
 26599         540       2819      83  TELEFONICA BRASIL S.A, BR
 13999         491         66     213  Mega Cable, S.A. de C.V., MX
 10620         415         53     344  Telmex Colombia S.A., CO
 22724         230         15      98  PUNTONET S.A., EC
 27843         229         20      33  WIN EMPRESAS S.A.C., PE

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         585        204     235  LINKdotNET-AS, EG
  2018         380        319      71  TENET-1, ZA
 29571         327         47     115  ORANGE-COTE-IVOIRE, CI
 36935         258         64      79  Vodafone-, EG
 36914         254         82       3  KENET-AS, KE
 36992         191        256     163  ETISALAT-MISR, EG
 24835         151        206      77  RAYA-AS, EG
 37492         151        471      44  ORANGE-, TN
 37693         146        595      51  TUNISIANA, TN
 24757         137         36      51  EthioNet-AS, ET

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        9903      11371    3553  AMAZON-02, US
  9808        9653       8742      61  CHINAMOBILE-CN China Mobile Communicati
  8151        5334       1496     746  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3224      54904    2476  DNIC-AS-00749, US
   367        2825       3422    1321  DNIC-ASBLK-00306-00371, US
 11776        1862        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1822        117    1258  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        9653         9592  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4758         4698  ALJAWWALSTC-AS, SA
  8151        5334         4588  UNINET, MX
 11776        1862         1642  ATLANTICBB-JOHNSTOWN, US
   367        2825         1504  DNIC-ASBLK-00306-00371, US
 56047        1505         1458  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        1481         1372  CMNET-JIANGSU-AP China Mobile communications co
  3816        1321         1126  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
     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
     32282  UNALLOCATED  12.162.231.0/24           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      /12:93      
/13:124     /14:360     /15:698     /16:5952    /17:2480    /18:2572    
/19:5457    /20:8741    /21:10837   /22:19793   /23:20811   /24:113770  
/25:73      /26:48      /27:65      /28:18      /29:16      /30:12      
/31:0       /32:4       

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

   ASN  No of nets  Total ann.  Description
 39891        3440        4758  ALJAWWALSTC-AS, SA
  8151        2884        5334  UNINET, MX
 16509        2118        9903  AMAZON-02, US
 11492        1207        1597  CABLEONE, US
   209         961        1699  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1862  ATLANTICBB-JOHNSTOWN, US
 11830         882        1041  Instituto Costarricense de Electricidad y Telec
 19901         745         886  BRSPD-PUBLIC, US
  6147         681        1084  Telefonica del Peru S.A.A., PE
  8376         559         714  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        2:384       3:343       5:1119      6:147       7:5      
   8:631      11:171      12:664      13:302      14:121      15:283    
  16:175      17:6        18:737      20:33       21:4        22:188    
  23:1895     24:737      25:2        27:47       29:19       31:212    
  32:1        34:10       35:57       36:1175     37:440      38:880    
  39:524      40:11       41:708      42:13       43:196      44:34     
  45:2452     46:639      47:98       49:9        50:286      51:477    
  52:1361     54:275      55:999      57:16       58:7        59:39     
  60:19       61:63       62:343      63:505      64:1546     65:822    
  66:1286     67:853      68:176      69:841      70:147      71:195    
  72:483      74:743      75:395      76:210      77:326      78:582    
  79:195      80:218      81:187      82:201      83:117      84:202    
  85:352      86:161      87:162      88:155      89:537      90:96     
  91:618      92:428      93:811      94:514      95:1115     96:374    
  97:33       98:138      99:150     100:23      101:26      102:227    
 103:1197    104:770     105:141     106:3       107:200     108:313    
 109:279     110:37      111:1788    112:464     113:47      114:34     
 115:15      116:35      117:971     118:79      119:104     120:1087   
 121:42      122:87      123:21      124:59      125:12      128:369    
 129:282     130:505     131:817     132:515     133:195     134:348    
 135:90      136:369     137:427     138:756     139:400     140:599    
 141:322     142:704     143:589     144:336     145:67      146:502    
 147:388     148:623     149:511     150:297     151:578     152:578    
 153:118     154:621     155:696     156:447     157:288     158:317    
 159:690     160:732     161:477     162:700     163:295     164:650    
 165:400     166:100     167:400     168:906     169:155     170:1257   
 171:66      172:920     173:819     174:192     175:41      176:417    
 177:705     178:337     179:500     180:55      181:1030    182:26     
 183:832     184:311     185:2492    186:796     187:765     188:643    
 189:1104    190:2722    191:240     192:3930    193:1306    194:854    
 195:580     196:459     197:401     198:2008    199:3685    200:2475   
 201:2411    202:1082    203:647     204:1789    205:1695    206:1226   
 207:1164    208:1017    209:1423    210:351     211:431     212:709    
 213:589     214:1022    215:56      216:1807    217:339     218:525    
 219:24      220:29      221:302     222:59      223:643    

End of report


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