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

REN Routing Table Report cscora at bgp.nsrc.org
Fri May 3 20:16:29 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Fri 03 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:                              185712
    Prefixes after maximum aggregation (per Origin AS):           81533
    Deaggregation factor:                                          2.28
    Unique aggregates announced (without unneeded subnets):      101625
    Number of IPv4 prefixes with a valid ROA:                     72467
    Number of IPv4 prefixes with an invalid ROA:                     21
    Number of IPv4 prefixes with no ROA:                         113224
Total ASes present in the Internet Routing Table:                 15739
    Prefixes per ASN:                                             11.80
Origin-only ASes present in the Internet Routing Table:           13603
Origin ASes announcing only one prefix:                            6213
Transit ASes present in the Internet Routing Table:                2136
Transit-only ASes present in the Internet Routing Table:            578
Paths with bogon ASNs present in the IPv4 Routing Table:              4
Average AS path length visible in the Internet Routing Table:       5.8
    Max AS path length visible:                                      26
    Max AS path prepend of ASN (265990)                              21
Prefixes from unregistered ASNs in the Routing Table:               235
    Number of instances of unregistered ASNs:                       235
Number of 32-bit ASNs allocated by the RIRs:                      44363
Number of 32-bit ASNs visible in the Routing Table:                5669
Prefixes from 32-bit ASNs in the Routing Table:                   18917
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:             95
Number of addresses announced to Internet:                   1111279009
    Equivalent to 66 /8s, 60 /16s and 197 /24s
    Percentage of available address space announced:               30.0
    Percentage of allocated address space announced:               30.0
    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:       53292

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

Prefixes being announced by APNIC Region ASes:                    29781
    Total APNIC prefixes after maximum aggregation:                6933
    APNIC Deaggregation factor:                                    4.30
Prefixes being announced from the APNIC address blocks:           29455
    Unique aggregates announced from the APNIC address blocks:     7936
APNIC Region origin ASes present in the Internet Routing Table:    1143
    APNIC Prefixes per ASN:                                       25.77
APNIC Region origin ASes announcing only one prefix:                460
APNIC Region transit ASes present in the Internet Routing Table:    198
Average APNIC Region AS path length visible:                        7.3
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    491
Number of APNIC addresses announced to Internet:              198975856
    Equivalent to 11 /8s, 220 /16s and 33 /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:                     85080
    Total ARIN prefixes after maximum aggregation:                46402
    ARIN Deaggregation factor:                                     1.83
Prefixes being announced from the ARIN address blocks:            83703
    Unique aggregates announced from the ARIN address blocks:     51445
ARIN Region origin ASes present in the Internet Routing Table:     7303
    ARIN Prefixes per ASN:                                        11.46
ARIN Region origin ASes announcing only one prefix:                3148
ARIN Region transit ASes present in the Internet Routing Table:     635
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:    1502
Number of ARIN addresses announced to Internet:               651102817
    Equivalent to 38 /8s, 207 /16s and 10 /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:                     35196
    Total RIPE prefixes after maximum aggregation:                16540
    RIPE Deaggregation factor:                                     2.13
Prefixes being announced from the RIPE address blocks:            35990
    Unique aggregates announced from the RIPE address blocks:     23774
RIPE Region origin ASes present in the Internet Routing Table:     3378
    RIPE Prefixes per ASN:                                        10.65
RIPE Region origin ASes announcing only one prefix:                1442
RIPE Region transit ASes present in the Internet Routing Table:     524
Average RIPE Region AS path length visible:                         5.8
    Max RIPE Region AS path length visible:                          23
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1258
Number of RIPE addresses announced to Internet:               159919568
    Equivalent to 9 /8s, 136 /16s and 45 /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:                   30816
    Total LACNIC prefixes after maximum aggregation:               9669
    LACNIC Deaggregation factor:                                   3.19
Prefixes being announced from the LACNIC address blocks:          30510
    Unique aggregates announced from the LACNIC address blocks:   15457
LACNIC Region origin ASes present in the Internet Routing Table:   3024
    LACNIC Prefixes per ASN:                                      10.09
LACNIC Region origin ASes announcing only one prefix:              1077
LACNIC Region transit ASes present in the Internet Routing Table:   600
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:  2314
Number of LACNIC addresses announced to Internet:              73028096
    Equivalent to 4 /8s, 90 /16s and 82 /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:                   4604
    Total AfriNIC prefixes after maximum aggregation:              1804
    AfriNIC Deaggregation factor:                                  2.55
Prefixes being announced from the AfriNIC address blocks:          5959
    Unique aggregates announced from the AfriNIC address blocks:   2925
AfriNIC Region origin ASes present in the Internet Routing Table:   217
    AfriNIC Prefixes per ASN:                                     27.46
AfriNIC Region origin ASes announcing only one prefix:               86
AfriNIC Region transit ASes present in the Internet Routing Table:   67
Average AfriNIC Region AS path length visible:                      5.5
    Max AfriNIC Region AS path length visible:                       16
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  104
Number of AfriNIC addresses announced to Internet:             28203776
    Equivalent to 1 /8s, 174 /16s and 91 /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        9648       8742      61  CHINAMOBILE-CN China Mobile Communicati
 56047        1506        192      47  CMNET-HUNAN-AP China Mobile communicati
 56046        1483        874     110  CMNET-JIANGSU-AP China Mobile communica
 56041        1450        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24547         790        168      56  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         761        501      71  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
 17676         725      10640     155  GIGAINFRA SoftBank Corp., JP
  2907         601       2162     465  SINET-AS Research Organization of Infor
 24445         478        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun
 56040         449        489     108  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        9809      11355    3512  AMAZON-02, US
   749        3227      54904    2479  DNIC-AS-00749, US
   367        2809       3544    1345  DNIC-ASBLK-00306-00371, US
 11776        1860        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1735        112    1222  USDA-1, US
   209        1700       4898     313  CENTURYLINK-US-LEGACY-QWEST, US
  5972        1396        393     636  DNIC-ASBLK-05800-06055, US
  7979        1002         66     196  SERVERS-COM, US
   855         961        255      82  CANET-ASN-4, CA
 14618         904       4165     684  AMAZON-AES, US

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        1262        106    1028  AKAMAI-ASN1, NL
  3215         900       4830     293  France Telecom - Orange, FR
 25019         810       1032     146  SAUDINETSTC-AS, SA
  8376         713         60      24  Jordan Data Communications, JO
  8452         579       1841      11  TE-AS TE-AS, EG
 51167         507         98     212  CONTABO, DE
 20978         420        196      13  TT_MOBIL Istanbul, TR
 13046         392         34       5  ASN-ISKON, HR
 35819         382        382      91  MOBILY-AS Etihad Etisalat Company Mobil

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        5749       1700     913  UNINET, MX
  3816        1314        788     195  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1102        369      22  Telefonica del Peru S.A.A., PE
 11830        1043        324       5  Instituto Costarricense de Electricidad
 18881         897       1128      28  TELEFONICA BRASIL S.A, BR
 26599         570       2961      47  TELEFONICA BRASIL S.A, BR
 10620         499         64     420  Telmex Colombia S.A., CO
 13999         489         66     214  Mega Cable, S.A. de C.V., MX
 22724         229         15      99  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         615        209     253  LINKdotNET-AS, EG
 29571         521         53     160  ORANGE-COTE-IVOIRE, CI
  2018         380        319      71  TENET-1, ZA
 36935         258         64      79  Vodafone-, EG
 36992         239        278     184  ETISALAT-MISR, EG
 36914         202         82       3  KENET-AS, KE
 37282         157         20      54  MAINONE, NG
 37492         156        471      44  ORANGE-, TN
 24835         148        150      87  RAYA-AS, EG
 37693         146        595      51  TUNISIANA, TN

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        9809      11355    3512  AMAZON-02, US
  9808        9648       8742      61  CHINAMOBILE-CN China Mobile Communicati
  8151        5749       1700     913  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3227      54904    2479  DNIC-AS-00749, US
   367        2809       3544    1345  DNIC-ASBLK-00306-00371, US
 11776        1860        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1735        112    1222  USDA-1, US
   209        1700       4898     313  CENTURYLINK-US-LEGACY-QWEST, US
 56047        1506        192      47  CMNET-HUNAN-AP China Mobile communicati

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        9648         9587  CHINAMOBILE-CN China Mobile Communications Grou
  8151        5749         4836  UNINET, MX
 39891        4758         4698  ALJAWWALSTC-AS, SA
 11776        1860         1640  ATLANTICBB-JOHNSTOWN, US
   367        2809         1464  DNIC-ASBLK-00306-00371, US
 56047        1506         1459  CMNET-HUNAN-AP China Mobile communications corp
   209        1700         1387  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1450         1377  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1483         1373  CMNET-JIANGSU-AP China Mobile communications co
  3816        1314         1119  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     /14:364     /15:705     /16:5912    /17:2490    /18:2569    
/19:5345    /20:8617    /21:10713   /22:19497   /23:20239   /24:108744  
/25:69      /26:40      /27:69      /28:19      /29:20      /30:15      
/31:0       /32:4       

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

   ASN  No of nets  Total ann.  Description
 39891        3440        4758  ALJAWWALSTC-AS, SA
  8151        3075        5749  UNINET, MX
 16509        2088        9809  AMAZON-02, US
   209         959        1700  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1860  ATLANTICBB-JOHNSTOWN, US
 11830         884        1043  Instituto Costarricense de Electricidad y Telec
 19901         727         868  BRSPD-PUBLIC, US
  6147         697        1102  Telefonica del Peru S.A.A., PE
  8376         560         713  Jordan Data Communications, JO
  7979         451        1002  SERVERS-COM, US

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

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

   1:11        2:368       3:330       5:1067      6:149       7:5      
   8:612      11:171      12:655      13:305      14:101      15:282    
  16:174      17:6        18:737      20:34       21:4        22:188    
  23:1776     24:391      25:2        27:27       29:19       31:181    
  32:1        34:11       35:57       36:1173     37:413      38:923    
  39:525      40:11       41:617      42:13       43:176      44:28     
  45:2398     46:615      47:94       49:11       50:265      51:473    
  52:1362     54:272      55:999      57:16       58:7        59:38     
  60:19       61:65       62:339      63:480      64:1499     65:791    
  66:1242     67:663      68:166      69:744      70:147      71:190    
  72:371      74:721      75:394      76:203      77:308      78:488    
  79:171      80:215      81:179      82:181      83:100      84:179    
  85:343      86:153      87:159      88:118      89:521      90:98     
  91:546      92:392      93:793      94:503      95:1074     96:162    
  97:32       98:130      99:150     100:23      101:20      102:227    
 103:1057    104:727     105:130     106:3       107:207     108:297    
 109:260     110:34      111:1790    112:445     113:45      114:32     
 115:15      116:29      117:959     118:70      119:100     120:1075   
 121:18      122:89      123:20      124:57      125:12      128:354    
 129:288     130:506     131:769     132:492     133:195     134:337    
 135:68      136:365     137:415     138:761     139:389     140:600    
 141:320     142:697     143:611     144:328     145:65      146:471    
 147:321     148:611     149:480     150:292     151:565     152:537    
 153:118     154:561     155:674     156:443     157:276     158:315    
 159:584     160:633     161:425     162:676     163:278     164:638    
 165:381     166:98      167:404     168:949     169:158     170:1250   
 171:62      172:887     173:630     174:110     175:41      176:402    
 177:730     178:319     179:506     180:49      181:931     182:24     
 183:827     184:204     185:2362    186:836     187:777     188:492    
 189:1161    190:2752    191:194     192:3846    193:1259    194:834    
 195:557     196:418     197:392     198:1938    199:3552    200:2399   
 201:2455    202:1050    203:621     204:1757    205:1679    206:1118   
 207:1086    208:895     209:1432    210:345     211:431     212:695    
 213:557     214:1016    215:42      216:1698    217:278     218:526    
 219:24      220:29      221:302     222:22      223:634    

End of report


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