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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Mar 14 22:41:27 UTC 2024


IPv4 R&E Routing Table Report   22:35 GMT Thu 14 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:                              990857
    Prefixes after maximum aggregation (per Origin AS):          363863
    Deaggregation factor:                                          2.72
    Unique aggregates announced (without unneeded subnets):      457893
Total ASes present in the Internet Routing Table:                 75713
    Prefixes per ASN:                                             13.09
Origin-only ASes present in the Internet Routing Table:           64830
Origin ASes announcing only one prefix:                           26092
Transit ASes present in the Internet Routing Table:               10883
Transit-only ASes present in the Internet Routing Table:            517
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:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1222
    Number of instances of unregistered ASNs:                      1225
Number of 32-bit ASNs allocated by the RIRs:                      43818
Number of 32-bit ASNs visible in the Routing Table:               36112
Prefixes from 32-bit ASNs in the Routing Table:                  190134
Number of bogon 32-bit ASNs visible in the Routing Table:           177
Special use prefixes present in the Routing Table:                   20
Prefixes being announced from unallocated address space:            626
Number of addresses announced to Internet:                   3028530101
    Equivalent to 180 /8s, 131 /16s and 179 /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:      338503

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

Prefixes being announced by APNIC Region ASes:                   259457
    Total APNIC prefixes after maximum aggregation:               73779
    APNIC Deaggregation factor:                                    3.52
Prefixes being announced from the APNIC address blocks:          251995
    Unique aggregates announced from the APNIC address blocks:    99996
APNIC Region origin ASes present in the Internet Routing Table:   14128
    APNIC Prefixes per ASN:                                       17.84
APNIC Region origin ASes announcing only one prefix:               4222
APNIC Region transit ASes present in the Internet Routing Table:   1920
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         29
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9468
Number of APNIC addresses announced to Internet:              761130656
    Equivalent to 45 /8s, 93 /16s and 238 /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:                    284732
    Total ARIN prefixes after maximum aggregation:               125518
    ARIN Deaggregation factor:                                     2.27
Prefixes being announced from the ARIN address blocks:           289001
    Unique aggregates announced from the ARIN address blocks:    132644
ARIN Region origin ASes present in the Internet Routing Table:    19148
    ARIN Prefixes per ASN:                                        15.09
ARIN Region origin ASes announcing only one prefix:                6932
ARIN Region transit ASes present in the Internet Routing Table:    1977
Average ARIN Region AS path length visible:                         3.5
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4874
Number of ARIN addresses announced to Internet:              1270588994
    Equivalent to 75 /8s, 187 /16s and 166 /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:                    282296
    Total RIPE prefixes after maximum aggregation:               128875
    RIPE Deaggregation factor:                                     2.19
Prefixes being announced from the RIPE address blocks:           276228
    Unique aggregates announced from the RIPE address blocks:    162632
RIPE Region origin ASes present in the Internet Routing Table:    28666
    RIPE Prefixes per ASN:                                         9.64
RIPE Region origin ASes announcing only one prefix:               12101
RIPE Region transit ASes present in the Internet Routing Table:    4023
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          39
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11705
Number of RIPE addresses announced to Internet:               714616947
    Equivalent to 42 /8s, 152 /16s and 48 /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:                  130313
    Total LACNIC prefixes after maximum aggregation:              28947
    LACNIC Deaggregation factor:                                   4.50
Prefixes being announced from the LACNIC address blocks:         128999
    Unique aggregates announced from the LACNIC address blocks:   49519
LACNIC Region origin ASes present in the Internet Routing Table:  11079
    LACNIC Prefixes per ASN:                                      11.64
LACNIC Region origin ASes announcing only one prefix:              2253
LACNIC Region transit ASes present in the Internet Routing Table:  2434
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:  8930
Number of LACNIC addresses announced to Internet:             177566048
    Equivalent to 10 /8s, 149 /16s and 113 /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:                  32837
    Total AfriNIC prefixes after maximum aggregation:              5979
    AfriNIC Deaggregation factor:                                  5.49
Prefixes being announced from the AfriNIC address blocks:         44007
    Unique aggregates announced from the AfriNIC address blocks:  12619
AfriNIC Region origin ASes present in the Internet Routing Table:  1757
    AfriNIC Prefixes per ASN:                                     25.05
AfriNIC Region origin ASes announcing only one prefix:              584
AfriNIC Region transit ASes present in the Internet Routing Table:  343
Average AfriNIC Region AS path length visible:                      4.6
    Max AfriNIC Region AS path length visible:                       30
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1135
Number of AfriNIC addresses announced to Internet:            104295168
    Equivalent to 6 /8s, 55 /16s and 107 /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        9833       8740      57  CHINAMOBILE-CN China Mobile Communicati
  7545        5654        777     673  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5004       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4577        347      25  FPT-AS-AP FPT Telecom Company, VN
  7552        3840       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3604       1043      64  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3515        495     252  BBIL-AP BHARTI Airtel Ltd., IN
 45899        3292       1872      99  VNPT-AS-VN VNPT Corp, VN
 24560        2760        864     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        9722      11333    3373  AMAZON-02, US
   174        5134       6645     678  COGENT-174, US
 22773        5016       3079     304  ASN-CXA-ALL-CCI-22773-RDC, US
 11492        4575        304     651  CABLEONE, US
  7155        4186        289      98  VIASAT-SP-BACKBONE, US
  6327        3597       1320      75  SHAW, CA
 16625        3246       1405    2310  AKAMAI-AS, US
   749        3193      54919    2445  DNIC-AS-00749, US
   367        2930       3633    1411  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        9036       1220    2315  TTNET, TR
 12479        7671       1714     147  UNI2-AS, ES
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        3934       3396     150  AKAMAI-ASN1, NL
  9009        3280        285    1599  M247, RO
 12389        2992       2304     904  ROSTELECOM-AS, RU
  8551        2653        368      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  5384        2504        585      31  EMIRATES-INTERNET Emirates Internet, AE
  8452        2461       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       12575       3377     501  UNINET, MX
 10620        3525        496     891  Telmex Colombia S.A., CO
 13999        2506        340     650  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        1311        787     198  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1208        349     490  Axtel, S.A.B. de C.V., MX
 11664        1145        179     422  Techtel LMDS Comunicaciones Interactiva
 26615        1130       2505      73  TIM SA, BR
  6147        1089        369      22  Telefonica del Peru S.A.A., PE

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        1630        315      40  Telkom-Internet, ZA
 24835        1549        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
 36935         935        521      42  Vodafone-, EG
  6713         553       1861      34  IAM-AS, MA
 36914         550         82       3  KENET-AS, KE
 15399         527         55      54  WANANCHI-, KE
 37342         511         32       1  MOVITEL, MZ

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       12575       3377     501  UNINET, MX
  9808        9833       8740      57  CHINAMOBILE-CN China Mobile Communicati
 16509        9722      11333    3373  AMAZON-02, US
 47331        9036       1220    2315  TTNET, TR
 12479        7671       1714     147  UNI2-AS, ES
  7545        5654        777     673  TPG-INTERNET-AP TPG Telecom Limited, AU
   174        5134       6645     678  COGENT-174, US
 22773        5016       3079     304  ASN-CXA-ALL-CCI-22773-RDC, US
  4538        5004       4192      75  ERX-CERNET-BKB China Education and Rese
 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        9833         9776  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7671         7524  UNI2-AS, ES
 47331        9036         6721  TTNET, TR
 16509        9722         6349  AMAZON-02, US
  7545        5654         4981  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5004         4929  ERX-CERNET-BKB China Education and Research Net
 22773        5016         4712  ASN-CXA-ALL-CCI-22773-RDC, US
 39891        4758         4698  ALJAWWALSTC-AS, SA
 18403        4577         4552  FPT-AS-AP FPT Telecom Company, VN
   174        5134         4456  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            65512  -Private Use AS-, ZZ
     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            46887  CROWNCASTLE-AS46887, 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
23.173.152.0/24      Origin:    397423  TIER-NET, US
23.173.152.0/24     Transit:      3356  LEVEL3, US
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US

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      /11:96      /12:300     
/13:579     /14:1203    /15:2135    /16:13413   /17:8421    /18:14190   
/19:25312   /20:45523   /21:53796   /22:114504  /23:107110  /24:599285  
/25:1117    /26:1058    /27:1512    /28:160     /29:261     /30:93      
/31:110     /32:611     

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

   ASN  No of nets  Total ann.  Description
 47331        8146        9036  TTNET, TR
 12479        6784        7671  UNI2-AS, ES
  8151        6491       12575  UNINET, MX
 22773        4048        5016  ASN-CXA-ALL-CCI-22773-RDC, US
 11492        3488        4575  CABLEONE, US
 39891        3440        4758  ALJAWWALSTC-AS, SA
  6327        3394        3597  SHAW, CA
  7155        3129        4186  VIASAT-SP-BACKBONE, US
 30036        2163        2507  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2131        3525  Telmex Colombia S.A., CO

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

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

   1:2304      2:1654      3:311       4:22        5:4708      6:162    
   7:6         8:1637      9:2        11:190      12:1469     13:381    
  14:2448     15:314      16:209      17:374      18:752      20:378    
  21:4        22:188      23:6678     24:3171     25:2        27:2709   
  29:19       31:2805     32:62       34:63       35:126      36:2224   
  37:4644     38:8467     39:901      40:125      41:4431     42:2212   
  43:2383     44:325      45:17806    46:4493     47:303      49:1936   
  50:1933     51:576      52:1620     54:312      55:966      56:5      
  57:163      58:2114     59:1205     60:1025     61:2764     62:2840   
  63:1944     64:5738     65:2363     66:4861     67:3134     68:1593   
  69:4118     70:1513     71:581      72:3035     74:2621     75:1587   
  76:635      77:2534     78:4153     79:2509     80:2181     81:2178   
  82:1577     83:1362     84:1658     85:4024     86:931      87:2295   
  88:3023     89:4169     90:683      91:8160     92:2274     93:2659   
  94:3814     95:5365     96:1303     97:313      98:1106     99:740    
 100:111     101:1188    102:3459    103:32941   104:4794    105:1956   
 106:987     107:2784    108:1142    109:4113    110:2177    111:3228   
 112:2095    113:1792    114:1791    115:2173    116:1912    117:2625   
 118:2868    119:2033    120:1816    121:1365    122:2815    123:2269   
 124:1682    125:2875    126:28      128:1542    129:1024    130:1135   
 131:1920    132:932     133:410     134:1724    135:353     136:944    
 137:1074    138:3028    139:1588    140:1383    141:1374    142:1589   
 143:1578    144:1025    145:345     146:2052    147:1731    148:2525   
 149:2638    150:1106    151:1351    152:1988    153:595     154:6190   
 155:1387    156:2284    157:1660    158:1107    159:2254    160:2207   
 161:1668    162:3632    163:1735    164:1691    165:2182    166:1079   
 167:1784    168:4128    169:815     170:4967    171:1036    172:3857   
 173:3076    174:941     175:1257    176:3827    177:5287    178:3730   
 179:2514    180:2467    181:3779    182:3386    183:2044    184:2281   
 185:21005   186:5280    187:4847    188:4238    189:4380    190:9527   
 191:1807    192:11023   193:9107    194:7633    195:5441    196:3597   
 197:2945    198:6083    199:7527    200:8433    201:6450    202:10843  
 203:10603   204:4643    205:3796    206:4564    207:3600    208:4205   
 209:5109    210:4793    211:2609    212:4423    213:3543    214:1103   
 215:43      216:6883    217:3051    218:1387    219:607     220:2125   
 221:1035    222:878     223:2239   

End of report


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