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

REN Routing Table Report cscora at bgp.nsrc.org
Tue Feb 18 21:40:14 UTC 2025


IPv4 R&E Routing Table Report   21:35 GMT Tue 18 Feb, 2025

  IPv4 BGP Table (Global) as seen at USP.

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

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

BGP routing table entries examined:                              975079
    Prefixes after maximum aggregation (per Origin AS):          372732
    Deaggregation factor:                                          2.62
    Unique aggregates announced (without unneeded subnets):      474969
    Number of IPv4 prefixes with a valid ROA:                    532360
    Number of IPv4 prefixes with an invalid ROA:                    172
    Number of IPv4 prefixes with no ROA:                         442547
Total ASes present in the Internet Routing Table:                 76617
    Prefixes per ASN:                                             12.73
Origin-only ASes present in the Internet Routing Table:           65679
Origin ASes announcing only one prefix:                           26871
Transit ASes present in the Internet Routing Table:               10938
Transit-only ASes present in the Internet Routing Table:            541
Paths with bogon ASNs present in the IPv4 Routing Table:            348
Average AS path length visible in the Internet Routing Table:       5.3
    Max AS path length visible:                                      61
    Max AS path prepend of ASN ( 37447)                              57
Prefixes from unregistered ASNs in the Routing Table:              1176
    Number of instances of unregistered ASNs:                      1195
Number of 32-bit ASNs allocated by the RIRs:                      46150
Number of 32-bit ASNs visible in the Routing Table:               37808
Prefixes from 32-bit ASNs in the Routing Table:                  199091
Number of bogon 32-bit ASNs visible in the Routing Table:            67
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            486
Number of addresses announced to Internet:                   3111206656
    Equivalent to 185 /8s, 113 /16s and 63 /24s
    Percentage of available address space announced:               84.0
    Percentage of allocated address space announced:               84.0
    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:      319324

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

Prefixes being announced by APNIC Region ASes:                   255431
    Total APNIC prefixes after maximum aggregation:               76306
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          247145
    Unique aggregates announced from the APNIC address blocks:   102712
APNIC Region origin ASes present in the Internet Routing Table:   14491
    APNIC Prefixes per ASN:                                       17.06
APNIC Region origin ASes announcing only one prefix:               4439
APNIC Region transit ASes present in the Internet Routing Table:   1942
Average APNIC Region AS path length visible:                        5.2
    Max APNIC Region AS path length visible:                         36
Number of APNIC region 32-bit ASNs visible in the Routing Table:  10002
Number of APNIC addresses announced to Internet:              752362240
    Equivalent to 44 /8s, 216 /16s and 35 /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, 131072-155961
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:                    287544
    Total ARIN prefixes after maximum aggregation:               127524
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           289011
    Unique aggregates announced from the ARIN address blocks:    135372
ARIN Region origin ASes present in the Internet Routing Table:    19213
    ARIN Prefixes per ASN:                                        15.04
ARIN Region origin ASes announcing only one prefix:                7023
ARIN Region transit ASes present in the Internet Routing Table:    1992
Average ARIN Region AS path length visible:                         5.0
    Max ARIN Region AS path length visible:                          35
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5152
Number of ARIN addresses announced to Internet:              1343358720
    Equivalent to 80 /8s, 18 /16s and 7 /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,  45/8,  47/8,  48/8,  50/8,  52/8,
                        54/8,  55/8,  56/8,  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:                    272149
    Total RIPE prefixes after maximum aggregation:               132197
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           269459
    Unique aggregates announced from the RIPE address blocks:    172276
RIPE Region origin ASes present in the Internet Routing Table:    28828
    RIPE Prefixes per ASN:                                         9.35
RIPE Region origin ASes announcing only one prefix:               12036
RIPE Region transit ASes present in the Internet Routing Table:    3965
Average RIPE Region AS path length visible:                         5.4
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12248
Number of RIPE addresses announced to Internet:               732941824
    Equivalent to 43 /8s, 175 /16s and 206 /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,
                        53/8,  57/8,  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:                  123721
    Total LACNIC prefixes after maximum aggregation:              29134
    LACNIC Deaggregation factor:                                   4.25
Prefixes being announced from the LACNIC address blocks:         121015
    Unique aggregates announced from the LACNIC address blocks:   48904
LACNIC Region origin ASes present in the Internet Routing Table:  11199
    LACNIC Prefixes per ASN:                                      10.81
LACNIC Region origin ASes announcing only one prefix:              2677
LACNIC Region transit ASes present in the Internet Routing Table:  2478
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        35
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9137
Number of LACNIC addresses announced to Internet:             177889536
    Equivalent to 10 /8s, 154 /16s and 97 /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:                  35058
    Total AfriNIC prefixes after maximum aggregation:              6818
    AfriNIC Deaggregation factor:                                  5.14
Prefixes being announced from the AfriNIC address blocks:         47962
    Unique aggregates announced from the AfriNIC address blocks:  15294
AfriNIC Region origin ASes present in the Internet Routing Table:  1916
    AfriNIC Prefixes per ASN:                                     25.03
AfriNIC Region origin ASes announcing only one prefix:              696
AfriNIC Region transit ASes present in the Internet Routing Table:  372
Average AfriNIC Region AS path length visible:                      6.1
    Max AfriNIC Region AS path length visible:                       61
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1269
Number of AfriNIC addresses announced to Internet:            104390144
    Equivalent to 6 /8s, 56 /16s and 222 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8, 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       10335       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6211        843     664  TPG-INTERNET-AP TPG Telecom Limited, AU
 18403        4270        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3917       1331      25  VIETEL-AS-AP Viettel Group, VN
  7713        3669       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3250       1869     100  VNPT-AS-VN VNPT Corp, VN
 24560        2841        854     528  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
 45090        2171       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 
  4755        2164        434     190  TATACOMM-AS TATA Communications formerly 

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12738      38948    3751  AMAZON-02, US
 11492        4702        312     561  CABLEONE, US
  7155        4172        286      83  VIASAT-SP-BACKBONE, US
  6327        3622       1320      81  SHAW, CA
   174        3589       8761     911  COGENT-174, US
 22773        3588       3054     219  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3260      54879    2507  DNIC-AS-00749, US
 16625        3045       1311    2201  AKAMAI-AS, US
396982        2925       3659     447  GOOGLE-CLOUD-PLATFORM, US
 30036        2597        362     266  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 12479        7769       1714     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4003       3395     130  AKAMAI-ASN1, NL
  9009        3726        320    1913  M247, RO
 12389        2992       2303     893  ROSTELECOM-AS, RU
 34984        2368        361     580  TELLCOM-AS, TR
212238        2025        146    1501  CDNEXT, GB
  8452        1619       1852      14  TE-AS TE-AS, EG
 13188        1606        100      34  TRIOLAN, UA
 62240        1488         98     748  CLOUVIDER Clouvider - Global ASN, GB

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11751       3229     595  UNINET, MX
 10620        3543        492     950  Telmex Colombia S.A., CO
 13999        2500        539     364  Mega Cable, S.A. de C.V., MX
 11830        1992        369      64  Instituto Costarricense de Electricidad y
 28573        1349       2437     265  Claro NXT Telecomunicacoes Ltda, BR
  3816        1329        777     211  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1159        278      33  Techtel LMDS Comunicaciones Interactivas 
  6147        1155        371      22  Telefonica del Peru S.A.A., PE
  6503        1127        374     163  Axtel, S.A.B. de C.V., MX
 22884        1075         98     371  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1683        599      30  RAYA-AS, EG
 24863        1650        389      18  LINKdotNET-AS, EG
 29571        1553         98     103  ORANGE-COTE-IVOIRE, CI
 36992        1425       1518     286  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935         997        521      42  Vodafone-, EG
 20011         980        183     284  INTERNET-SOLUTIONS, ZA
 37069         843       1083      15  MOBINIL, EG
  6713         559       1861      35  IAM-AS, MA
 15399         526         56      57  WANANCHI-, KE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12738      38948    3751  AMAZON-02, US
  8151       11751       3229     595  UNINET, MX
  9808       10335       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7769       1714     145  UNI2-AS, ES
  7545        6211        843     664  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4702        312     561  CABLEONE, US
 18403        4270        347      25  FPT-AS-AP FPT Telecom Company, VN
  9498        4215        530     273  BBIL-AP BHARTI Airtel Ltd., IN
  7155        4172        286      83  VIASAT-SP-BACKBONE, US

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

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

   ASN  No of nets  Net Savings  Description
  8151       11751        11156  UNINET, MX
  9808       10335        10247  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7769         7624  UNI2-AS, ES
  7545        6211         5547  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4270         4245  FPT-AS-AP FPT Telecom Company, VN
 11492        4702         4141  CABLEONE, US
  7155        4172         4089  VIASAT-SP-BACKBONE, US
  9498        4215         3942  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3917         3892  VIETEL-AS-AP Viettel Group, VN

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
    213407  UNALLOCATED  2.56.248.0/24           214466  OLFE AE Olfe Tekn. Ve T
    400866  UNALLOCATED  2.59.148.0/23            21859  ZEN-ECN, US
     22542  UNALLOCATED  8.7.205.0/24              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US

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

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

Prefix                Origin AS  Description
192.88.99.0/24             6939  HURRICANE, US

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

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

Unassigned Network     ASN Information  AS Name
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
23.140.16.0/24       Origin:     63371  RESERVED, ZZ
23.140.16.0/24      Transit:      3356  LEVEL3, US
23.140.48.0/24       Origin:     63371  RESERVED, ZZ
23.140.48.0/24      Transit:      7018  ATT-INTERNET4, US
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

Complete listing at https://bgp.nsrc.org/REN/USP/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       /9:16      /10:42      /11:93      /12:307     
/13:587     /14:1224    /15:2162    /16:13920   /17:8274    /18:13701   
/19:24555   /20:43849   /21:51947   /22:112261  /23:101014  /24:601110  
/25:0       /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 12479        6725        7769  UNI2-AS, ES
  8151        5957       11751  UNINET, MX
 11492        3556        4702  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3418        3622  SHAW, CA
  7155        3119        4172  VIASAT-SP-BACKBONE, US
 22773        2708        3588  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2273       12738  AMAZON-02, US
 30036        2255        2597  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2183        3543  Telmex Colombia S.A., CO

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

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

   1:2296      2:1526      3:571       4:10        5:4516      6:165    
   7:6         8:1556      9:1        11:172      12:1383     13:347    
  14:2507     15:347      16:273      17:360      18:915      20:450    
  21:4        22:188      23:7325     24:2726     25:2        27:2745   
  29:19       31:3139     32:35       34:78       35:200      36:2407   
  37:4576     38:8583     39:895      40:154      41:4156     42:1936   
  43:2531     44:351      45:18335    46:4978     47:291      49:1971   
  50:1888     51:589      52:1570     54:300      55:1088     56:9      
  57:242      58:2223     59:1173     60:1167     61:2784     62:2941   
  63:1825     64:5514     65:2132     66:4646     67:3031     68:1137   
  69:3982     70:1164     71:614      72:2865     74:2787     75:1641   
  76:611      77:2660     78:1873     79:1719     80:2208     81:2032   
  82:2533     83:1413     84:1793     85:3359     86:1018     87:2164   
  88:1313     89:4322     90:761      91:8316     92:2808     93:2856   
  94:3911     95:4226     96:1358     97:310      98:1003     99:738    
 100:71      101:1131    102:3709    103:32256   104:4793    105:817    
 106:994     107:2614    108:1203    109:4083    110:2221    111:3367   
 112:2048    113:1778    114:1939    115:2207    116:2040    117:2752   
 118:2878    119:1956    120:1872    121:1361    122:2754    123:2180   
 124:1560    125:2869    126:94      128:1594    129:960     130:1281   
 131:1855    132:794     133:450     134:1529    135:325     136:1332   
 137:1280    138:2887    139:1601    140:1554    141:1484    142:1829   
 143:1611    144:1053    145:471     146:2135    147:2063    148:2604   
 149:2847    150:1222    151:1676    152:2115    153:571     154:7815   
 155:1607    156:3525    157:1894    158:1249    159:2428    160:3556   
 161:1898    162:3691    163:1819    164:1689    165:2177    166:1360   
 167:1879    168:4071    169:798     170:5082    171:1005    172:4324   
 173:3244    174:923     175:1267    176:3603    177:4759    178:3752   
 179:2234    180:2558    181:3990    182:3368    183:2028    184:2274   
 185:21479   186:5101    187:4286    188:4220    189:4180    190:9639   
 191:1520    192:11174   193:9383    194:7743    195:5476    196:3284   
 197:3659    198:6177    199:8330    200:8154    201:6316    202:10373  
 203:10634   204:4554    205:3670    206:4623    207:3553    208:4187   
 209:5168    210:4569    211:2527    212:4510    213:3750    214:1057   
 215:48      216:6587    217:3106    218:1336    219:372     220:2103   
 221:1056    222:717     223:2309   

End of report


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