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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Mar 18 22:41:09 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Mon 18 Mar, 2024

  IPv4 BGP Table (Global) as seen at RouteViews OIX.

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

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

BGP routing table entries examined:                              992703
    Prefixes after maximum aggregation (per Origin AS):          364103
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      458636
Total ASes present in the Internet Routing Table:                 75748
    Prefixes per ASN:                                             13.11
Origin-only ASes present in the Internet Routing Table:           64979
Origin ASes announcing only one prefix:                           26086
Transit ASes present in the Internet Routing Table:               10769
Transit-only ASes present in the Internet Routing Table:            504
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.1
    Max AS path length visible:                                      60
    Max AS path prepend of ASN (2458272)                              56
Prefixes from unregistered ASNs in the Routing Table:              1184
    Number of instances of unregistered ASNs:                      1296
Number of 32-bit ASNs allocated by the RIRs:                      43852
Number of 32-bit ASNs visible in the Routing Table:               36165
Prefixes from 32-bit ASNs in the Routing Table:                  190376
Number of bogon 32-bit ASNs visible in the Routing Table:           397
Special use prefixes present in the Routing Table:                   20
Prefixes being announced from unallocated address space:            651
Number of addresses announced to Internet:                   3029805493
    Equivalent to 180 /8s, 151 /16s and 41 /24s
    Percentage of available address space announced:               81.8
    Percentage of allocated address space announced:               81.8
    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:      339293

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

Prefixes being announced by APNIC Region ASes:                   259471
    Total APNIC prefixes after maximum aggregation:               73740
    APNIC Deaggregation factor:                                    3.52
Prefixes being announced from the APNIC address blocks:          252007
    Unique aggregates announced from the APNIC address blocks:   100087
APNIC Region origin ASes present in the Internet Routing Table:   14124
    APNIC Prefixes per ASN:                                       17.84
APNIC Region origin ASes announcing only one prefix:               4217
APNIC Region transit ASes present in the Internet Routing Table:   1889
Average APNIC Region AS path length visible:                        4.4
    Max APNIC Region AS path length visible:                         28
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9471
Number of APNIC addresses announced to Internet:              761216416
    Equivalent to 45 /8s, 95 /16s and 61 /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:                    284559
    Total ARIN prefixes after maximum aggregation:               125604
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           289168
    Unique aggregates announced from the ARIN address blocks:    132685
ARIN Region origin ASes present in the Internet Routing Table:    19135
    ARIN Prefixes per ASN:                                        15.11
ARIN Region origin ASes announcing only one prefix:                6933
ARIN Region transit ASes present in the Internet Routing Table:    1955
Average ARIN Region AS path length visible:                         3.8
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4866
Number of ARIN addresses announced to Internet:              1270068034
    Equivalent to 75 /8s, 179 /16s and 179 /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:                    282825
    Total RIPE prefixes after maximum aggregation:               128867
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           276411
    Unique aggregates announced from the RIPE address blocks:    162688
RIPE Region origin ASes present in the Internet Routing Table:    28677
    RIPE Prefixes per ASN:                                         9.64
RIPE Region origin ASes announcing only one prefix:               12097
RIPE Region transit ASes present in the Internet Routing Table:    3976
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          38
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11712
Number of RIPE addresses announced to Internet:               714749299
    Equivalent to 42 /8s, 154 /16s and 53 /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:                  130378
    Total LACNIC prefixes after maximum aggregation:              28966
    LACNIC Deaggregation factor:                                   4.50
Prefixes being announced from the LACNIC address blocks:         129026
    Unique aggregates announced from the LACNIC address blocks:   49559
LACNIC Region origin ASes present in the Internet Routing Table:  11079
    LACNIC Prefixes per ASN:                                      11.65
LACNIC Region origin ASes announcing only one prefix:              2236
LACNIC Region transit ASes present in the Internet Routing Table:  2417
Average LACNIC Region AS path length visible:                       4.5
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8936
Number of LACNIC addresses announced to Internet:             177292128
    Equivalent to 10 /8s, 145 /16s and 67 /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:                  34286
    Total AfriNIC prefixes after maximum aggregation:              6192
    AfriNIC Deaggregation factor:                                  5.54
Prefixes being announced from the AfriNIC address blocks:         45439
    Unique aggregates announced from the AfriNIC address blocks:  13112
AfriNIC Region origin ASes present in the Internet Routing Table:  1810
    AfriNIC Prefixes per ASN:                                     25.10
AfriNIC Region origin ASes announcing only one prefix:              603
AfriNIC Region transit ASes present in the Internet Routing Table:  351
Average AfriNIC Region AS path length visible:                      4.2
    Max AfriNIC Region AS path length visible:                       29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1180
Number of AfriNIC addresses announced to Internet:            106172416
    Equivalent to 6 /8s, 84 /16s and 16 /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        9832       8739      56  CHINAMOBILE-CN China Mobile Communicati
  7545        5652        777     671  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5035       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4582        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3860       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3609       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3516        495     252  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3297       1872      99  VNPT-AS-VN VNPT Corp, VN
 24560        2762        863     363  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2505      11259     578  KIXS-AS-KR Korea Telecom, KR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9726      11349    3404  AMAZON-02, US
   174        5164       6645     677  COGENT-174, US
 22773        5010       3079     300  ASN-CXA-ALL-CCI-22773-RDC, US
 11492        4589        304     632  CABLEONE, US
  7155        4186        289      98  VIASAT-SP-BACKBONE, US
  6327        3599       1320      75  SHAW, CA
 16625        3208       1380    2282  AKAMAI-AS, US
   749        3193      54919    2445  DNIC-AS-00749, US
   367        2932       3633    1405  DNIC-ASBLK-00306-00371, US
396982        2758       3640     406  GOOGLE-CLOUD-PLATFORM, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        9031       1219    2322  TTNET, TR
 12479        7689       1714     147  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3930       3396     150  AKAMAI-ASN1, NL
  9009        3271        284    1590  M247, RO
 12389        2956       2302     896  ROSTELECOM-AS, RU
  8551        2667        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2514        585      31  EMIRATES-INTERNET Emirates Internet, AE
  8452        2464       1852      14  TE-AS TE-AS, EG
 34984        2393        366     582  TELLCOM-AS, TR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12363       3321     497  UNINET, MX
 10620        3525        496     891  Telmex Colombia S.A., CO
 13999        2507        340     653  Mega Cable, S.A. de C.V., MX
 11830        2001        369      64  Instituto Costarricense de Electricidad
 28573        1343       2319     241  Claro NXT Telecomunicacoes Ltda, BR
  3816        1312        787     193  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1204        348     492  Axtel, S.A.B. de C.V., MX
 11664        1147        179     423  Techtel LMDS Comunicaciones Interactiva
 26615        1139       2505      73  TIM SA, BR
 28202        1105         52       9  Rede Brasileira de Comunicacao SA, BR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 37457        1628        315      38  Telkom-Internet, ZA
 24835        1546        545      28  RAYA-AS, EG
 24863        1504        389      20  LINKdotNET-AS, EG
 36992        1369       1519     282  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 29571        1191         75      61  ORANGE-COTE-IVOIRE, CI
 36935         934        521      42  Vodafone-, EG
 36914         560         82       3  KENET-AS, KE
  6713         553       1861      34  IAM-AS, MA
 15399         518         55      49  WANANCHI-, KE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       12363       3321     497  UNINET, MX
  9808        9832       8739      56  CHINAMOBILE-CN China Mobile Communicati
 16509        9726      11349    3404  AMAZON-02, US
 47331        9031       1219    2322  TTNET, TR
 12479        7689       1714     147  UNI2-AS, ES
  7545        5652        777     671  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5164       6645     677  COGENT-174, US
  4538        5035       4192      75  ERX-CERNET-BKB China Education and Rese
 22773        5010       3079     300  ASN-CXA-ALL-CCI-22773-RDC, US
 39891        4758        286      60  ALJAWWALSTC-AS, SA

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

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

   ASN  No of nets  Net Savings  Description
  9808        9832         9776  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7689         7542  UNI2-AS, ES
 47331        9031         6709  TTNET, TR
 16509        9726         6322  AMAZON-02, US
  7545        5652         4981  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5035         4960  ERX-CERNET-BKB China Education and Research Net
 22773        5010         4710  ASN-CXA-ALL-CCI-22773-RDC, US
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4582         4557  FPT-AS-AP FPT Telecom Company, VN
   174        5164         4487  COGENT-174, US

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     65536  DOCUMENT     5.102.30.0/24           198471  LINKEM-AS, IT
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US

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

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

Prefix                Origin AS  Description
100.70.8.0/24               209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.9.0/24               209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.16.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.18.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.20.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.22.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.24.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.26.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.28.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US
100.70.30.0/24              209  CENTURYLINK-US-LEGACY-QWEST, US

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

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

Unassigned Network     ASN Information  AS Name
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.172.216.0/24      Origin:    398741  AS-VERTEXLINK-01, US
23.172.216.0/24     Transit:     60539  HUICAST_TELECOM, HK
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
27.0.192.0/22        Origin:    136800  MOACKCOLTD-AS-AP MOACK.Co.LTD, KR
27.0.192.0/22       Transit:    138195  MOACKCOLTD-AS-AP MOACK.Co.LTD, KR

Complete listing at https://bgp.nsrc.org/REN/OIX/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:14      /10:37      /11:95      /12:300     
/13:582     /14:1205    /15:2141    /16:13421   /17:8468    /18:14208   
/19:25304   /20:45542   /21:53770   /22:114516  /23:107055  /24:601086  
/25:1117    /26:1063    /27:1515    /28:160     /29:260     /30:105     
/31:110     /32:612     

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

   ASN  No of nets  Total ann.  Description
 47331        8142        9031  TTNET, TR
 12479        6801        7689  UNI2-AS, ES
  8151        6372       12363  UNINET, MX
 22773        4046        5010  ASN-CXA-ALL-CCI-22773-RDC, US
 11492        3502        4589  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3396        3599  SHAW, CA
  7155        3129        4186  VIASAT-SP-BACKBONE, US
 30036        2147        2491  MEDIACOM-ENTERPRISE-BUSINESS, US
  8551        2143        2667  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo

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

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

   1:2305      2:1658      3:314       4:22        5:4704      6:162    
   7:6         8:1638      9:2        11:190      12:1470     13:382    
  14:2457     15:316      16:210      17:374      18:748      20:378    
  21:4        22:188      23:6690     24:3171     25:2        27:2713   
  29:19       31:2814     32:62       34:64       35:126      36:2221   
  37:4629     38:8575     39:901      40:125      41:4650     42:2213   
  43:2397     44:319      45:17828    46:4487     47:304      49:1942   
  50:1932     51:576      52:1619     54:310      55:971      56:5      
  57:163      58:2115     59:1206     60:1027     61:2764     62:2832   
  63:1948     64:5736     65:2363     66:4863     67:3141     68:1593   
  69:4123     70:1513     71:581      72:3032     74:2620     75:1587   
  76:636      77:2544     78:4155     79:2519     80:2192     81:2180   
  82:1585     83:1361     84:1662     85:4041     86:929      87:2296   
  88:3023     89:4176     90:683      91:8181     92:2273     93:2661   
  94:3823     95:5383     96:1313     97:314      98:1109     99:741    
 100:111     101:1192    102:3598    103:32980   104:4793    105:2010   
 106:1003    107:2783    108:1145    109:4130    110:2178    111:3239   
 112:2093    113:1794    114:1790    115:2176    116:1914    117:2623   
 118:2869    119:2034    120:1816    121:1365    122:2830    123:2269   
 124:1658    125:2878    126:28      128:1548    129:1034    130:1136   
 131:1926    132:931     133:410     134:1719    135:354     136:954    
 137:1071    138:3031    139:1583    140:1383    141:1375    142:1614   
 143:1589    144:1028    145:346     146:2054    147:1737    148:2528   
 149:2643    150:1050    151:1355    152:1985    153:593     154:6282   
 155:1387    156:2265    157:1644    158:1108    159:2273    160:2697   
 161:1670    162:3629    163:1735    164:1696    165:2185    166:1077   
 167:1783    168:4121    169:814     170:4987    171:1032    172:3847   
 173:3077    174:942     175:1256    176:3827    177:5404    178:3732   
 179:2498    180:2462    181:3781    182:3387    183:2046    184:2281   
 185:21022   186:5283    187:4859    188:4242    189:4378    190:9514   
 191:1917    192:11044   193:9111    194:7627    195:5444    196:3709   
 197:3036    198:6078    199:7565    200:8422    201:6420    202:10850  
 203:10584   204:4633    205:3790    206:4561    207:3607    208:4198   
 209:5113    210:4797    211:2607    212:4422    213:3562    214:1096   
 215:49      216:6879    217:3058    218:1386    219:607     220:2080   
 221:1035    222:880     223:2240   

End of report


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